Driving ability diagnostic device, driving ability diagnostic method, driving ability diagnostic program

Abstract

The present invention provides a device for easily measuring multiple items related to driving ability. [Solution] A driving ability diagnostic device comprising: an output unit that displays a screen including a central region including the center position and a peripheral region other than the central region; an input unit that receives input from the user; a control unit that causes the output unit to display a first mark or a second mark different from the first mark in the central region or peripheral region a predetermined number of times for a predetermined period of time, determines whether the input unit has received input from the user while the first mark or the second mark is displayed, measures the reaction time which is the time from when the first mark is displayed until the input unit receives input from the user if the first mark is displayed, and calculates a score for multiple items related to the user's driving ability based on whether the input unit has received input from the user while the first mark or the second mark is displayed and the reaction time.

Description

Technical Field

[0001] The present invention relates to a driving ability diagnosis device, a driving ability diagnosis method, and a driving ability diagnosis program.

Background Art

[0002] There is a device for measuring the driving ability of a driver who drives an automobile (Non-Patent Document 1). With this device, it is possible to measure cognitive function items related to driving ability such as processing speed, attention, and judgment. A driver can recognize his / her own driving ability by using this device.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Non-Patent Documents

[0004]

Non-Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, in the device described in Non-Patent Document 1, each item related to the driver's driving ability, such as cognitive processing speed, attention, and judgment, is tested separately for the driver. Therefore, measuring driving ability takes a very long time (for example, several minutes to several tens of minutes). Consequently, it is difficult to frequently measure a driver's driving ability with this device. A driver's driving ability can constantly change depending on their physical condition, etc. Therefore, there is a need for a device that can easily measure multiple items related to driving ability, such as the driver's cognitive processing speed, attention, and judgment, in a short time of about one minute.

[0006] The present invention aims to provide a device for easily measuring multiple items related to driving ability. [Means for solving the problem]

[0007] To solve the above problems, the following measures will be taken. That is, the first aspect is, An output unit that displays a screen including a central region including the center position and peripheral regions other than the central region, An input section that accepts input from the user, A control unit which causes the output unit to display a first mark or a second mark different from the first mark in the central area or the peripheral area for a predetermined number of times at predetermined intervals, determines whether the input unit has received input from the user while the first mark or the second mark is displayed, measures the reaction time which is the time from when the first mark is displayed until the input unit receives input from the user if the first mark is displayed, and calculates scores for multiple items related to the user's driving ability based on whether the input unit has received input from the user while the first mark or the second mark is displayed and the reaction time, The driving ability diagnostic device shall be equipped with the following features.

[0008] The mode of disclosure may be realized by the execution of a program by an information processing device. That is, the configuration of the disclosure can be identified as a program that causes an information processing device to execute the processing performed by each of the means in the above mode, or as a computer-readable recording medium on which such program is recorded. Alternatively, the configuration of the disclosure may be identified as a method by which an information processing device executes the processing performed by each of the means described above. Alternatively, the configuration of the disclosure may be identified as a system including an information processing device that performs the processing performed by each of the means described above.

[0009] The steps for writing a program include not only processes that are performed chronologically in the order they are written, but also processes that are not necessarily performed chronologically, but are executed in parallel or individually. Some steps in writing a program may be omitted. [Effects of the Invention]

[0010] According to the present invention, it is possible to provide a device for easily measuring multiple cognitive function items related to driving ability. [Brief explanation of the drawing]

[0011] [Figure 1] Figure 1 shows an example of a functional block of a driving ability diagnostic device according to the first embodiment. [Figure 2] Figure 2 shows an example of the hardware configuration of an information processing device. [Figure 3] Figure 3 shows an example of the operation of the driving ability diagnostic device according to the first embodiment. [Figure 4] Figure 4 shows an example of the screen at the start of a test in the driving ability diagnostic device according to the first embodiment. [Figure 5] Figure 5 shows an example of the screen during testing (Example 1). [Figure 6] Figure 6 shows an example of the screen during testing (Example 2). [Figure 7] Figure 7 shows an example of a radar chart that displays the scores for each item related to driving ability. [Figure 8] FIG. 8 is a diagram showing an example in which a driving ability diagnosis device according to the second embodiment displays the driver's personality on the display device of the output unit. [Figure 9] FIG. 9 is a diagram showing an operation example of the driving ability diagnosis device according to the second embodiment. [Figure 10] FIG. 10 is a diagram showing an example of a personality data table. [Figure 11] FIG. 11 is a diagram showing a specific example of the personality data table. [Figure 12] FIG. 12 is a diagram showing an example of a personality data table in which the number of items for classifying scores is different compared to FIG. 10. [Figure 13] FIG. 13 is a diagram showing an example of a two-dimensional chart in which the relationship between the values on each axis and the changes in each item is different compared to FIG. 8. [Figure 14] FIG. 14 is a diagram showing a specific example of a personality data table created according to the inverted score. [Figure 15] FIG. 15 is a diagram showing an example in which "central attention" and "speed of cognition" are selected as a combination of two items. [Figure 16] FIG. 16 is a diagram showing a specific example of a personality data table when "central attention" and "speed of cognition" are selected and the score is inverted. [Figure 17] FIG. 17 is a diagram showing an example in which "peripheral attention" and "central attention" are selected as a combination of two items. [Figure 18] FIG. 18 is a diagram showing a specific example of a personality data table when "peripheral attention" and "central attention" are selected and the score is inverted. [Figure 19] FIG. 19 is a diagram showing an example in which "peripheral judgment" and "central judgment" are selected as a combination of two items. [Figure 20] FIG. 20 is a diagram showing a specific example of a personality data table when "peripheral judgment" and "central judgment" are selected and the score is inverted. [Figure 21]Figure 21 shows an example where "peripheral concentration" and "central concentration" were selected as a combination of two items. [Figure 22] Figure 22 shows a specific example of a personality data table when "peripheral concentration" and "central concentration" are selected and the scores are reversed. [Modes for carrying out the invention]

[0012] Embodiments will be described below with reference to the drawings. The configurations of the embodiments are illustrative, and the configuration of the invention is not limited to the specific configurations of the disclosed embodiments. In carrying out the invention, specific configurations may be adopted as appropriate depending on the embodiment.

[0013] [First Embodiment] (overview) In this test, the driving ability diagnostic device instructs the subject (a driver operating a vehicle, etc.) to touch the screen when the first mark appears and to refrain from touching the screen when the second mark appears. The driving ability diagnostic device diagnoses multiple items related to driving ability in a single test based on the number of times the first mark is touched correctly, the number of times the second mark is touched incorrectly, the time taken from display to touch, etc. For example, the driving ability diagnostic device can be used to diagnose driving ability by performing this test before a driver starts driving a vehicle, etc.

[0014] (Example configuration) Figure 1 shows an example of the functional block of the driving capability diagnostic device 100 of this embodiment. The driving capability diagnostic device 100 includes a control unit 102, an output unit 104, an input unit 106, and a storage unit 108.

[0015] The control unit 102 controls the entire operation capability diagnostic device 100. The control unit 102 deploys programs stored in the storage unit 108 into the work area in an executable format and provides functions that match the predetermined purpose by controlling peripheral devices, etc., through the execution of the programs. The control unit 102 also performs various calculations.

[0016] The control unit 102 controls the tests performed by the user based on programs and the like stored in the storage unit 108. During the test, the control unit 102 displays a predetermined information on the display device of the output unit 104 and accepts input from the user via the input device of the input unit 106. The control unit 102 stores the test results in the storage unit 108.

[0017] The control unit 102 calculates scores for cognitive function items related to driving ability based on the results of tests performed by the user. The items related to driving ability in this case are: speed of perception, speed of awareness, attentiveness, concentration, attention, and judgment. These six items represent brain functions essential for safe driving. Details of each item will be explained later.

[0018] The output unit 104 includes a display device that displays the test results screen, etc. The display device displays images and text information. The display device is, for example, an organic EL (Electroluminescence) panel. These are liquid crystal display panels, etc.

[0019] The input unit 106 includes an input device such as a touch panel. The touch panel is an input device provided on the surface (display surface) of the display device of the output unit 104. The touch panel is a capacitive touch panel that detects the contact position based on the change in capacitance when a part of the user's body, such as a finger, comes into contact with the operating surface. The part of the body is a part of the hand such as a finger, palm, or back of the hand. Furthermore, contact is not limited to direct contact by a part of the user's body. This also includes indirect contact by the user using a stylus or similar device held in their hand. The touch panel is not limited to capacitive touch panels, but may also be of other types, such as optical touch panels. The touch panel has a coordinate system defined along the display surface of the display device, and outputs the contact position as a coordinate in that coordinate system. Each coordinate corresponds to a position on the display surface. The input unit 106 may include an input device separate from the display device, such as a button or keyboard, instead of a touch panel. Input (operation) may include touch operations on the touch panel, pressing operations on specific keys on buttons or keyboards, etc.

[0020] The storage unit 108 stores data, programs, etc., used by the driving performance diagnostic device 100.

[0021] The driving ability diagnostic device 100 is a PC (Personal Computer) or workstation (WS). This can be achieved using dedicated or general-purpose computers, or electronic devices equipped with computers, such as workstations, smartphones, tablet devices, and PDAs (Personal Digital Assistants).

[0022] Figure 2 shows an example of the hardware configuration of an information processing device. The information processing device shown in Figure 2 has the configuration of a typical computer. The driving capability diagnostic device 100 is implemented by the information processing device 90 shown in Figure 2. The information processing device 90 in Figure 2 has a processor 91, memory 92, storage unit 93, input unit 94, output unit 95, and communication control unit 96. These are connected to each other by a bus. The memory 92 and storage unit 93 are computer-readable recording media. The hardware configuration of the computer is not limited to the example shown in Figure 2, and components may be omitted, replaced, or added as appropriate.

[0023] The information processing device 90 can achieve a function that matches a predetermined purpose by having the processor 91 load a program stored on the recording medium into the working area of ​​the memory 92 and execute it, thereby controlling each component through the execution of the program.

[0024] Processor 91 is, for example, a CPU (Central Processing Unit) or a DSP (Digital Signal Processor).

[0025] Memory 92 includes, for example, RAM (Random Access Memory) and ROM (Read Only Memory). Memory 92 is also called main memory.

[0026] The memory unit 93 may be, for example, an EPROM (Erasable Programmable ROM) or a hard disk. It is a drive (HDD, Hard Disk Drive). Also, the storage unit 93 is a removable media This may include a portable recording medium. Removable media include, for example, USB (Universal Serial Bus) memory, or disk recording media such as CD (Compact Disc) or DVD (Digital Versatile Disc). The storage unit 93 is also called a secondary storage device.

[0027] The storage unit 93 stores various programs, various data, and various tables on a recording medium in a read-write manner. The storage unit 93 stores the operating system (OS), various programs, various tables, etc. The information stored in the storage unit 93 may also be stored in the memory 92. Conversely, the information stored in the memory 92 may also be stored in the storage unit 93.

[0028] An operating system is software that acts as an intermediary between software and hardware, manages memory space, manages files, manages processes and tasks, etc. The operating system includes a communication interface. The communication interface includes a communication control unit 96. This is a program that exchanges data with other external devices connected via this interface. These external devices include, for example, other computers and external storage devices.

[0029] The input unit 94 includes a keyboard, pointing device, wireless remote control, touch panel, etc. The input unit 94 may also include video or image input devices such as a camera, and audio input devices such as a microphone.

[0030] The output section 95 is an LCD (Liquid Crystal Display) and an EL (Electroluminescence) panel. This includes display devices such as screens, CRT (Cathode Ray Tube) displays, and PDP (Plasma Display Panel), as well as output devices such as printers. The output unit 95 may also include audio output devices such as speakers.

[0031] The communication control unit 96 connects to other devices and controls communication between the information processing device 90 and other devices. The communication control unit 96 is, for example, a LAN (Local Area Network) interface board, a wireless communication circuit for wireless communication, or a communication circuit for wired communication. The LAN interface board and wireless communication circuit are connected to a network such as the Internet.

[0032] The computer that implements the driving ability diagnostic device 100 performs the functions of a control unit 102, an output unit 104, and an input unit 106 by having the processor load a program stored in an auxiliary storage device into the main memory and execute it. Meanwhile, the storage unit 108 is provided in the storage area of ​​the main memory or the auxiliary storage device.

[0033] (Example of operation) Figure 3 shows an example of the operation of the driving ability diagnostic device 100 according to this embodiment. The driving ability diagnostic device 100 diagnoses several items related to the user's driving ability according to a pre-installed driving ability diagnostic application. The control unit 102 of the driving ability diagnostic device 100 starts the process shown in Figure 3 when the power to the driving ability diagnostic device 100 is turned on or when the driver performs a start operation on the driving ability diagnostic device 100.

[0034] In S101, the control unit 102 adjusts the user's head position so that a predetermined area of ​​the display screen of the output unit 104 becomes the central field of view. Here, the central field of view is a field of view of 5 degrees. The control unit 102 displays the screen at the start of the test on the display device of the output unit 104.

[0035] Figure 4 shows an example of the screen 10 at the start of a test in the driving ability diagnostic device 100. In the example in Figure 4, the screen 10 is a horizontal rectangle. At the start of the test, a "+" mark 11 is displayed in the center of the screen 10, indicating the center position of the screen 10. Also displayed is a central area 12, which is a white circle centered on the center position of the screen 10. The center position of the screen 10 is the intersection of the diagonals of the screen 10. The diameter of the circle in the central area 12 is approximately half the length of the vertical length of the screen 10. The diameter of the circle is not limited to this. The area outside the central area 12 is displayed in gray. The area displayed in gray is called the peripheral area 13.

[0036] The control unit 102 outputs a prompt to the user to adjust the position of their head so that the central region 12 (a predetermined region) becomes the user's central field of vision. That is, the control unit 102 instructs the user to adjust the position of their head (the left eye may be used instead of the right eye) so that the angle between the line segment connecting one end of a certain diameter of the circle in the central region 12 and the user's right eye, and the line segment connecting the other end of that diameter of the circle and the user's right eye is 5 degrees. The control unit 102 displays, for example, "Please position your head so that the field of vision of the diameter of the central circle is 5 degrees." The control unit 102 also obtains the actual vertical length of the screen 10 in advance and calculates the diameter of the circle from that length. Furthermore, based on that diameter, the control unit 102 calculates the central region 1 The control unit 102 calculates the distance between the display device and the user's eyes so that the field of view of 2 is 5 degrees. The control unit 102 may then output a prompt to the user to adjust the distance between the display device and the user's eyes to the calculated distance. This adjusts the position of the user's head so that the central area 12 of the screen 10 is within the user's central field of view (field of view of 5 degrees).

[0037] In S102, the control unit 102 conducts a test on the user (test subject). The test involves touching the screen when the first mark is displayed, and not touching the screen when the second mark is displayed. The touch can be made anywhere on the screen. The user has been notified in advance that during the test, they should look at the central "+" mark 11 and touch the screen when the first mark is displayed. For example, the control unit 102 displays an image of a button indicating start on the screen 10 of the display device of the output unit 104, and starts the test when it receives a touch operation from the user on the touch panel of the input unit 106. After the test has started, the control unit 102 displays the first mark or the second mark in the central area 12 or peripheral area 13 of the screen 10 of the display device of the output unit 104. The size of the first mark or the second mark is sufficiently smaller than the size of the central area 12. The touch operation on the touch panel may also be a press operation on a button or a specific key on a keyboard. The touch operation and the press operation are examples of input (operation).

[0038] Figure 5 shows example 1 of screen 10 during testing. In the example in Figure 5, the same central area 12 and peripheral area 13 as in Figure 4 are displayed on screen 10, and an X mark 14 is also displayed in the peripheral area 13. The X mark 14 is displayed in the upper left corner of the peripheral area 13. The X mark 14 is an example of the first mark.

[0039] Figure 6 shows example 2 of screen 10 during testing. In the example in Figure 6, the same central area 12 and surrounding area 13 as in Figure 4 are displayed on screen 10, and an O mark 15 is also displayed in the central area 12. The O mark 15 is displayed on the left side within the central area 12. The O mark 15 is an example of a second mark.

[0040] The first mark uses symbols, letters, or pictures that indicate the suppression of human movement. Generally, the X mark 14 is an example of a symbol that suppresses human movement. The second mark uses symbols, letters, or pictures that indicate the promotion of human movement. Generally, the O mark 15 is an example of a symbol that promotes human movement. The second mark uses symbols, letters, or pictures that indicate the promotion of human movement. By displaying symbols that indicate the suppression of human movement and prompting the user to take action, each item related to driving ability can be measured appropriately. The first and second marks are distinct from each other.

[0041] The control unit 102 displays an X mark 14 or an O mark 15 in the central area 12 or peripheral area 13 of the screen 10 of the display device 10 of the output unit 104 for 1 second (a predetermined period). Furthermore, the control unit 102 sets the interval between the disappearance of the X mark 14 or O mark 15 and the display of the next X mark 14 or O mark 15 to a random interval of 0.5 seconds or more and less than 1.5 seconds. While the X mark 14 or O mark 15 is displayed, the control unit 102 determines whether or not a touch operation has been received via the touch panel of the input unit 106.

[0042] If the control unit 102 receives a touch operation via the touch panel of the input unit 106 while the X mark 14 is displayed, it records the time from the start of displaying the X mark 14 to the touch operation (reaction time) and stores it in the storage unit 108 along with the location information (or area information) where the X mark 14 was displayed. A touch operation while the X mark 14 is displayed indicates that the touch operation was performed correctly. If the control unit 102 does not receive a touch operation via the touch panel of the input unit 106 while the X mark 14 is displayed, it records that there was no response to the X mark 14. The X mark 14 is stored in the storage unit 108 along with information about the location (or area) where it is displayed. If no touch operation is performed while the X mark 14 is displayed, it indicates that the X mark 14 has been overlooked.

[0043] If the control unit 102 receives a touch operation via the touch panel of the input unit 106 while the O mark 15 is displayed, it records that there was a response to the O mark 15 and stores it in the storage unit 108 along with the location information (or area information) where the O mark 15 was displayed. A touch operation while the O mark 15 is displayed indicates that the touch operation was performed incorrectly. If the control unit 102 does not receive a touch operation via the touch panel of the input unit 106 while the O mark 15 is displayed, it records that there was no response to the O mark 15 and stores it in the storage unit 108 along with the location information (or area information) where the O mark 15 was displayed. The absence of a touch operation while the O mark 15 is displayed indicates that the display of the O mark 15 correctly indicated that no touch operation was performed.

[0044] The control unit 102 displays X marks 14 10 times and O marks 15 7 times in the central area 12, and X marks 14 7 times and O marks 15 4 times in the peripheral area 13, one at a time, in a random order during a single test. The display positions of the X marks 14 or O marks 15 in the central area 12 or peripheral area 13 are determined randomly. The control unit 102 may pre-determine the approximate display area in the peripheral area 13 to prevent large biases in the display positions of the X marks 14 or O marks 15 that would affect the measurement results. Since the X marks 14 or O marks 15 are displayed for 1 second each, and are displayed a total of 28 times at intervals of 0.5 seconds to less than 1.5 seconds, the time required for one test is approximately 1 minute. One test is completed when all X marks 14 or O marks 15 have been displayed. The number of times X marks 14 or O marks 15 are displayed and the display area are not limited to those described herein. Once one test is complete, the process proceeds to S103.

[0045] In S103, the control unit 102 calculates scores for multiple items (evaluation items) related to driving ability based on the test results in S102, which are stored in the storage unit 108, and stores them in the storage unit 108. The items related to driving ability in this case are speed of perception, speed of awareness, attentiveness, concentration, attention, and judgment. The score for each item is calculated on a scale of 100 points. The control unit 102 calculates scores for multiple items based on the results of a single test.

[0046] Speed ​​of perception is an item that contributes to danger detection, reaction to driving operations, judgment, hazard avoidance with ample time, and appropriate action. Speed ​​of perception is expressed, for example, as the speed of reaction to visual stimuli in the central visual field. The score for speed of perception is calculated as 214 - 0.26 × (average reaction time (ms) for the X mark 14 displayed in the central area 12). The score for speed of perception is higher the shorter the reaction time for the X mark 14 displayed in the central area 12. Speed ​​of awareness is an item that contributes to danger detection and safe action. Speed ​​of awareness is expressed, for example, as the speed of reaction to visual stimuli in the peripheral visual field (outside the central visual field). The score for speed of awareness is calculated as 188 - 0.19 × (average reaction time (ms) for the X mark 14 displayed in the peripheral area 13). The score for speed of awareness is higher the shorter the reaction time for the X mark 14 displayed in the peripheral area 13. Attention level is an item related to how much attention is paid to the peripheral area relative to the central area. Attention level is expressed, for example, by the relative speed of reaction to visual stimuli in the peripheral area compared to the speed of reaction to visual stimuli in the central area. The attention level score is calculated as 319 - 216 × (average reaction time (ms) for X marks 14 displayed in peripheral area 13) / (average reaction time (ms) for X marks 14 displayed in central area 12).

[0047] Central focus is an item related to the ability to perceive and act on a specific field of vision without being distracted or careless. Central focus can be expressed, for example, by the low variability in the speed of response to visual stimuli in the central field of vision. The score for central focus is 123 - 361 × (central area) The score for central concentration is calculated as (standard deviation of reaction time (ms) for X-marked 14 displayed in 12) / (mean value of reaction time (ms) for X-marked 14 displayed in central area 12). The lower the variability of reaction times for X-marked 14 displayed in central area 12, the higher the score.

[0048] Peripheral concentration is an item related to the ability to perceive and act within a wide field of vision without being distracted or careless. Peripheral concentration can be expressed, for example, by the small amount of variation in the speed of reaction to visual stimuli in the peripheral field of vision. The peripheral concentration score is calculated as 123 - 361 × (standard deviation of reaction time (ms) for the X marks 14 displayed in peripheral area 13) / (mean value of reaction time (ms) for the X marks 14 displayed in peripheral area 13). The peripheral concentration score is higher the less variation there is in the reaction time for the X marks 14 displayed in peripheral area 13. In this embodiment, both central concentration and peripheral concentration were adopted as evaluation items, but only central concentration may be adopted as the evaluation item for concentration. Alternatively, the concentration score may be calculated by averaging the scores of central concentration and peripheral concentration.

[0049] Central attention relates to the ability to carefully and quickly check symbols that appear in a specific field of view without missing any. The score for central attention is calculated based on the number of times there is no response to the X mark 14 displayed in the central area 12: 100 points for 0 times, 75 points for 1 time, 50 points for 2 times, and 30 points for 3 or more times. Peripheral attention relates to the ability to carefully and quickly check symbols that appear in various locations within the field of view without missing any. The score for peripheral attention is calculated based on the number of times there is no response to the X mark 14 displayed in the peripheral area 13: 100 points for 0 times, 75 points for 1 time, 50 points for 2 times, and 30 points for 3 or more times. In this embodiment, both central attention and peripheral attention are used as evaluation items, but peripheral attention alone may be used as the evaluation item for attention. Alternatively, the attention score may be calculated by averaging the scores for central attention and peripheral attention.

[0050] Judgment is an item that indicates the number of errors made during driving operations. Judgment is related to the ability to perform quick actions while activating the inhibitory function within cognitive function. The judgment score is calculated as follows: 100 points for 0 responses to the O mark 15, 75 points for 1 response, 50 points for 2 responses, and 30 points for 3 or more responses. Judgment may also be calculated separately for judgment in the central domain (central judgment) and judgment in the peripheral domain (peripheral judgment). For example, central judgment is calculated as follows: 100 points for 0 responses to the O mark in the central domain, 75 points for 1 response, 50 points for 2 responses, and 30 points for 3 or more responses. Peripheral judgment is calculated as follows: 100 points for 0 responses to the O mark in the peripheral domain, 75 points for 1 response, 50 points for 2 responses, and 30 points for 3 or more responses.

[0051] The control unit 102 may set the calculated score to 100 points if it is 100 points or more. The control unit 102 may also set the calculated score to 30 points if it is less than 30 points. The method for calculating the score for each item is not limited to those described herein and may be modified within a range based on the nature of each item. The control unit 102 stores the calculated scores for each item in the storage unit 108. A higher score for each item indicates higher driving ability. For example, a score of 80 points or more for each item may indicate safety (able to drive safely), while a score of less than 50 points may indicate caution (difficulty driving safely). The score for each item may also change depending on the user's physical condition and can be used for the purpose of managing the user's physical condition. The control unit 102 may calculate at least two of the six items related to driving ability described above.

[0052] In S104, the control unit 102 displays the calculated score for each item on the display device of the output unit 104. The control unit 102, for example, plots the calculated score for each item on a radar chart and displays it. The user can check the score for each item related to driving ability through the display.

[0053] Figure 7 shows an example of a radar chart illustrating the scores for each item related to driving ability. The radar chart in Figure 7 shows the scores for the following items related to driving ability: speed of perception, speed of awareness, attentiveness, concentration, attention, and judgment. In the radar chart, the larger the area of ​​the hexagon, the higher the driving ability.

[0054] (others) The calculation of the score for each item in S103 may be performed in another information processing device that is communicatively connected to the driving ability diagnostic device 100. In this case, the driving ability diagnostic device 100 transmits the test results to the other information processing device, and the other information processing device calculates the score for each item based on the test results. The other information processing device then transmits the calculated score for each item to the driving ability diagnostic device 100.

[0055] (Effects and mechanisms of the embodiment) The driving ability diagnostic device 100 has a driver (user) who drives a car or other vehicle take a test to diagnose their driving ability. In this test, the driver touches the screen when the first mark is displayed and refrains from touching the screen when the second mark is displayed. The driving ability diagnostic device 100 calculates scores for multiple items related to driving ability based on the reaction time from when the first mark is displayed until it is touched in the test. According to the driving ability diagnostic device 100, scores for multiple items related to driving ability can be calculated by combining the average reaction time for each area and the standard deviation of reaction time obtained in a single test. According to the driving ability diagnostic device 100, scores for multiple items related to driving ability can be calculated in a single test of about 1 minute. According to the driving ability diagnostic device 100, multiple items related to driving ability can be easily diagnosed. According to the driving ability diagnostic device 100, multiple items related to driving ability can be easily and frequently diagnosed for drivers. According to the driving ability diagnostic device 100, by conducting tests at a high frequency, it becomes easier to capture changes in the driver's driving ability.

[0056] [Second Embodiment] In the first embodiment described above, the driving ability diagnostic device 100 calculated scores for multiple items and plotted and displayed the scores for each item on a radar chart. However, the driving ability diagnostic device 100A of this embodiment, in addition to this, estimates and outputs the driver's personality from the scores of multiple items. Since this embodiment has the same configuration as the first embodiment except for estimating and outputting this personality, the same elements are denoted by the same reference numerals, and further explanation is omitted.

[0057] Figure 8 shows an example of the driver's personality displayed on the display device of the output unit 104 by the driving ability diagnostic device 100A of this embodiment. It displays a two-dimensional chart 21 with the two selected items as the vertical and horizontal axes, and the driver's personality 31. The method for generating the two-dimensional chart 21 and the driver's personality 31 will be described later.

[0058] The functional blocks of the driving capability diagnostic device 100A include a control unit 102, an output unit 104, an input unit 106, and a storage unit 108, just like the driving capability diagnostic device 100 shown in Figure 1. Furthermore, the hardware configuration of the driving capability diagnostic device 100A is the same as that shown in Figure 2.

[0059] Figure 9 shows an example of the operation of the driving capability diagnostic device 100A according to this embodiment. Note that in Figure 9, the processes S101 to S104 are the same as in Figure 3.

[0060] In S105, the control unit 102 selects a combination of two items from a set of multiple items. For example, the control unit 102 retrieves setting information from the storage unit 108 indicating a predetermined combination of items, such as "speed of perception" and "speed of awareness," or "speed of perception" and "central attention." The system reads the information and selects a combination of two items based on this setting information. This setting information is stored in the storage unit 108 beforehand. However, the control unit 102 may also select a combination of two items based on the user's selection. For example, the control unit 102 may display multiple items on the display device of the output unit 104 to prompt the driver to make a selection, and then select the two items chosen by the driver as items for estimating personality in a later stage. In this case, the control unit 102 may display items such as "speed of perception," "speed of awareness," "attention-seeking ability," "central concentration," "peripheral concentration," "central attention," "peripheral attention," "central judgment," and "peripheral judgment" as options and allow the driver to arbitrarily select two from these items. Alternatively, the control unit 102 may select two combinations for all items for which a score was calculated in S103. That is, if there are N items for which a score was calculated in S103, the total number of combinations m is N × (N-1) / 2.

[0061] In S106, the control unit 102 retrieves the score calculated in S103 from the storage unit 108 for the item selected in S105, and estimates the driver's personality based on this score. For example, the control unit 102 refers to a personality data table for estimating personality, retrieves personality information corresponding to the score, and estimates that the driver's personality is represented by the personality information.

[0062] Figure 10 shows an example of the personality data table 41. In the personality data table 41 of Figure 10, the score of the first item is divided into two categories, FS1 and FS2, and the score of the second item is divided into two categories, SS1 and SS2. That is, there are four possible combinations of the categories related to the first item and the categories related to the second item. In other words, the personality data table 41 has four categories, with the scores of the first item, FS1 and FS2, being divided by the scores of the second item, SS1 and SS2, respectively. The personality data table 41 then registers personality information P1 to P4 in association with each of these combinations of categories related to the first item and the categories related to the second item. For example, if the score related to the first item is FS1 and the score related to the second item is SS1, the control unit 102 retrieves the personality information P1 associated with these from the personality data table 41 and estimates that the driver's personality is the personality indicated by personality information P1. Furthermore, if, for example, the score for the first item is FS2 and the score for the second item is SS1, the control unit 102 obtains the corresponding personality information P3 from the personality data table 41 and estimates that the driver's personality is the one indicated by the personality information P3.

[0063] Figure 11 shows a specific example of the personality data table 41. In the personality data table 41 in Figure 11, "speed of awareness" is selected as the first item, and "speed of perception" is selected as the second item. In addition, in the personality data table 41 in Figure 11, the scores for "speed of awareness" and "speed of perception" are each converted into Z-scores and divided into two categories: positive and negative values. The average value used for Z-scoring is, for example, calculated in advance by averaging the test results (scores for each item) from a large number of drivers. Alternatively, if the driver has taken the test multiple times in the past, the average of these multiple test results may be used. In the personality data table 41 in Figure 11, one of the personality information items such as "quick judgment and action," "easily distracted," "narrow field of vision," and "slow judgment and action" is registered in association with each combination of these scores. For example, if the scores for "speed of awareness" and "speed of perception" are both positive, the control unit 102 acquires personality information such as "quick judgment and action" associated with these scores and estimates that the driver's personality is such that they make quick judgments and take quick action. Also, if the score for "speed of awareness" is negative and the score for "speed of perception" is positive, the control unit 102 acquires the personality information such as "narrow field of vision" associated with these scores from the personality data table 41 and estimates that the driver's personality is such that they have a narrow field of vision.

[0064] Note that the classifications in the personality data table 41 in Figure 11 are just examples and are not limited to the example in Figure 11. For example, the positive and negative values ​​of the scores for each item may be divided into multiple levels according to σ. Also, the scores for each item may not be limited to Z-scoring, but may be divided into positive and negative values ​​with the mode or median set to 0 (origin). In this case as well, the positive and negative values ​​may each be divided into multiple levels.

[0065] Figure 12 shows an example of a personality data table 42 that differs from Figure 10 in the number of categories used to divide the item scores. In the personality data table 42 of Figure 12, the score of the first item is divided into three categories: FS1, FS2, and FS3, and the score of the second item is divided into four categories: SS1 to SS4. That is, there are 12 possible combinations of categories for the first item and categories for the second item. In the personality data table 42, personality information P1 to P12 is registered in association with each of these combinations of categories for the first item and categories for the second item. Thus, the scores of the first item and the scores of the second item can be divided into multiple categories; for example, each may be divided into three or more categories. Also, the scores of the first item and the scores of the second item may be divided into different numbers.

[0066] The personality data tables 41 and 42 are created in advance for each combination of items that can be selected in S105 and stored in the storage unit 108. For example, if there are N items to be selected, as mentioned above, the total number of combinations m is N × (N-1) / 2, so m different personality data tables 41 and 42 are created. Furthermore, the method for estimating the user's personality from the scores of the two selected items is not limited to using personality data tables, but may also use an AI (Artificial Intelligence) model. In this case, for example, the user A large number of combinations of test results (scores for each item) from the driver and correct labels indicating the user's personality are prepared, and an AI model (machine learning model) is created by machine learning using these as training data. The control unit 102 may input the scores of the selected items into the AI ​​model and obtain the user's personality from the AI ​​model.

[0067] In S107, the control unit 102 displays the personality estimated in S106 on the display device of the output unit 104. For example, the control unit 102 displays a two-dimensional chart 21 and the driver's personality 31, as shown in Figure 8. The two-dimensional chart 21 in Figure 8 is a graph with "speed of awareness" (first item) on the vertical axis and "speed of perception" (second item) on the horizontal axis. The two-dimensional chart 21 uses the mean value of a dataset, which is a collection of test results from many drivers, as the origin of each axis, so that the test results (scores for each item) follow a normal distribution. That is, in the two-dimensional chart 21, the origin of the vertical axis is the mean value of "speed of awareness" in the dataset, and the origin of the horizontal axis is the mean value of "speed of perception" in the dataset. The control unit 102 also converts the score calculated in S103 to a value where the mean value of the dataset is set to 0. For example, the control unit 102 converts the scores for "speed of awareness" and "speed of recognition" (hereinafter also referred to as subject scores) calculated in S103 into Z-scores using the dataset as follows:

[0068] Z-score = (Subject score - Mean of dataset) / Standard deviation Hereafter, this Z-score will also be referred to as the converted score.

[0069] The control unit 102 may also calculate the transformed score by subtracting the mean of the dataset from the subject score. For example, if the mean of the dataset is 90, then if the subject score is 100, the transformed score obtained by subtracting 90 will be 10, and if the subject score is 90, the transformed score obtained by subtracting 90 will be 0. Also, if the subject score is 65, the transformed score obtained by subtracting 90 will be -25. In this way, if the subject score is greater than the mean, the transformed score will be a positive value, and if the subject score is less than the mean, the transformed score will be a positive value. A will be a negative value. Note that the origin value in the subject score (hereinafter also referred to as the reference value) is not limited to the mean, but may also be the mode or median.

[0070] The control unit 102 plots the index 32 on the two-dimensional chart 21 at a position corresponding to the converted score of each item. In the example in Figure 8, the converted scores for "speed of awareness" and "speed of perception" are both positive, and the index 32 is plotted in the upper right first quadrant. In this case, the control unit 102 refers to the personality data table 41 in Figure 11 and obtains the personality information "quick judgment and action" associated with these converted scores. As shown in Figure 8, the control unit 102 presents the personality to the driver (subject) by displaying the personality information 23 on the display device of the output unit 104. The personality information 23 may also be output as an audio message from the speaker of the output unit 104.

[0071] In the two-dimensional chart 21 of Figure 8, if the converted score for "speed of awareness" is positive and the converted score for "speed of perception" is negative, index 32 is plotted in the upper left second quadrant. In this case, the control unit 102 refers to the personality data table 41 of Figure 11, obtains the personality information "easily distracted" associated with these converted scores, and displays it on the display device. Similarly, if both the converted scores for "speed of awareness" and "speed of perception" are negative, index 32 is plotted in the lower left third quadrant. In this case, the control unit 102 refers to the personality data table 41 of Figure 11, obtains the personality information "slow judgment and action" associated with these converted scores, and displays it on the display device. Furthermore, if the converted score for "speed of awareness" is negative and the converted score for "speed of perception" is positive, index 32 is plotted in the lower right fourth quadrant. In this case, the control unit 102 refers to the personality data table 41 in Figure 11, obtains the personality information "narrow field of view" associated with the converted score, and displays it on the display device.

[0072] In the example shown in Figure 8, the control unit 102 displays the personality information obtained from the personality data table 41 directly on the display device, but it may also be displayed in combination with other information. For example, depending on the degree to which the score of each item deviates from the average (reference value), additional information such as "very," "considerably," or "slightly below average" may be combined with the personality information and displayed. For example, if the personality information obtained from the personality data table 41 is "slow judgment and action," it may be displayed as "very slow judgment and action," "considerably slow judgment and action," or "slightly below average slow judgment and action." Alternatively, comment information that takes personality into account may be registered in the personality data table 41, and the control unit 102 may obtain and display the comment information along with the personality information from the personality data table 41. Furthermore, the control unit 102 may obtain the test results of a large number of drivers, calculate representative values ​​such as the average, mode, and median for each age, and then determine the ability age based on which age's representative value the subject driver's score is closest to, and display this ability age together with the personality information.

[0073] In the example shown in Figure 8, the vertical axis is assigned the item "Speed ​​of Awareness" and the horizontal axis is assigned the item "Speed ​​of Recognition." However, the system is not limited to this; the vertical axis may be assigned the item "Speed ​​of Recognition" and the horizontal axis the item "Speed ​​of Awareness." Furthermore, the two items selected in S105 may each be assigned to an axis (horizontal or vertical axis) specified by the driver. In addition, for each combination of two items, which item is assigned to the vertical or horizontal axis may be predetermined and stored in the storage unit 108 as setting information. In this case, the control unit 102 reads the setting information from the storage unit 108 according to the combination of two items selected in S105 and assigns each item to the vertical or horizontal axis according to the setting information.

[0074] In the two-dimensional chart 21 of Figure 8, it is shown that the larger the value on the vertical axis, the faster the "speed of awareness," and the smaller the value on the vertical axis, the slower the "speed of awareness." Furthermore, in this two-dimensional chart 21, the larger the value on the horizontal axis, the faster the "speed of perception," and the smaller the value on the horizontal axis, the slower the "speed of perception." However, the relationship between the values ​​on each axis and the changes in each item ("speed of awareness" and "speed of perception") may be set in reverse, as in the example in Figure 8.

[0075] Figure 13 shows an example of a two-dimensional chart 22 in which the relationship between the values ​​of each axis and the changes in each item differs from that in Figure 8. Note that the example in Figure 13 differs from the example of two-dimensional chart 21 in Figure 8 in the relationship between the values ​​of each axis and the changes in each item, but the other components are the same. In the two-dimensional chart 22 of Figure 13, the larger the value on the vertical axis (located at the top of the figure), the slower the "speed of awareness," and the smaller the value on the vertical axis (located at the bottom of the figure), the faster the "speed of awareness." Also, in the two-dimensional chart 22 of Figure 13, the larger the value on the horizontal axis (located on the right side of the figure), the slower the "speed of cognition," and the smaller the value on the horizontal axis (located on the left side of the figure), the faster the "speed of cognition."

[0076] When using the two-dimensional chart 22 in Figure 13, the control unit 102 converts the score calculated in S103 to a value where the mean value (reference value) of the dataset is set to 0, and multiplies the converted score by -1 to reverse the sign of the converted score. Hereafter, this converted score with reversed sign will also be called the inverted score. Furthermore, in this case, a personality data table corresponding to the inverted score is created in advance. Figure 14 shows a specific example of a personality data table 43 created according to the inverted score. In the personality data table 43 of Figure 14, "speed of awareness" is selected as the first item, and "speed of cognition" is selected as the second item. Also, in the personality data table 43 of Figure 14, the inverted score for "speed of awareness" and the inverted score for "speed of cognition" are each divided into two categories: positive and negative values. And in the personality data table 43 of Figure 14, when both the inverted scores for "speed of awareness" and "speed of cognition" are positive, it is associated with "slow judgment and action". Furthermore, if the inverted score for "speed of awareness" is negative and the inverted score for "speed of perception" is positive, the corresponding trait is "easily distracted." If the inverted score for "speed of awareness" is positive and the inverted score for "speed of perception" is negative, the corresponding trait is "narrow field of vision." Moreover, if both the inverted scores for "speed of awareness" and "speed of perception" are negative, the corresponding trait is "quick judgment and action." The control unit 102 can use this personality data table 43 to acquire personality information corresponding to the inverted scores, similar to the example in Figure 11 described above, and estimate the driver's personality. For example, in S106, if the inverted score for "speed of awareness" is negative and the inverted score for "speed of perception" is positive, the control unit 102 plots the index 32 in the fourth quadrant of the two-dimensional chart 22, and acquires personality information such as "easily distracted" that corresponds to these inverted scores from the personality data table 43 and displays it on the display device.

[0077] Figure 15 shows an example where "central attention" and "speed of perception" are selected as the combination of two items. Note that the example in Figure 15 differs from the example in Figure 13 in the selected items, but the other components are the same. In the two-dimensional chart 24 of Figure 15, it is shown that as the value on the vertical axis increases, "central attention" decreases, and as the value on the vertical axis decreases, "central attention" increases. Also, in the two-dimensional chart 24 of Figure 15, it is shown that as the value on the horizontal axis increases, "speed of perception" decreases, and as the value on the horizontal axis decreases, "speed of perception" increases. In this case, the control unit 102 converts the score calculated in S103 to a value with the mean value (reference value) of the dataset set to 0, inverts the sign of the converted score, and obtains an inverted score.

[0078] Figure 16 shows a specific example of the personality data table 44 when "central attention" and "speed of perception" are selected and the scores are reversed. Figure 16 Personality Data Table 44 In this case, "central attention" is selected as the first item, and "speed of perception" is selected as the second item. Furthermore, in the personality data table 44 in Figure 16, the inverted scores for "central attention" and "speed of perception" are each divided into two categories: positive and negative values. In the personality data table 44 in Figure 16, if both the inverted scores for "central attention" and "speed of perception" are positive, it is associated with "slow and inaccurate". If the inverted score for "central attention" is negative and the inverted score for "speed of perception" is positive, it is associated with "cautious". If the inverted score for "central attention" is positive and the inverted score for "speed of perception" is negative, it is associated with "easily distracted". Moreover, if both the inverted scores for "central attention" and "speed of perception" are negative, it is associated with "fast and accurate". The control unit 102 can use this personality data table 44 to obtain personality information corresponding to the inverted scores, similar to the example in Figure 11 described above, and estimate the driver's personality. For example, in S106, if the inversion score for "central attention" is negative and the inversion score for "speed of perception" is negative, the control unit 102 plots the index 32 in the third quadrant of the two-dimensional chart 24, and also obtains personality information such as "fast and accurate" that corresponds to these inversion scores from the personality data table 44 and displays it on the display device.

[0079] Figure 17 shows an example where "peripheral attention" and "central attention" are selected as the combination of two items. Note that the example in Figure 17 differs from the example in Figure 13 in the selected items, but the other components are the same. In the two-dimensional chart 25 of Figure 17, it is shown that as the value on the vertical axis increases, "peripheral attention" decreases, and as the value on the vertical axis decreases, "peripheral attention" increases. Also, in the two-dimensional chart 25 of Figure 17, it is shown that as the value on the horizontal axis increases, "central attention" decreases, and as the value on the horizontal axis decreases, "central attention" increases. In this case, the control unit 102 converts the score calculated in S103 to a value with the mean value (reference value) of the dataset set to 0, inverts the sign of the converted score, and obtains an inverted score.

[0080] Figure 18 shows a specific example of personality data table 45 when "peripheral attention" and "central attention" are selected and their scores are reversed. In personality data table 45 in Figure 18, "peripheral attention" is selected as the first item and "central attention" is selected as the second item. In personality data table 45 in Figure 18, the reversed scores for "peripheral attention" and "central attention" are each divided into two categories: positive and negative values. In personality data table 45 in Figure 18, when both the reversed scores for "peripheral attention" and "central attention" are positive, it is associated with "low concentration." When the reversed score for "peripheral attention" is negative and the reversed score for "central attention" is positive, it is associated with "easily distracted." When the reversed score for "peripheral attention" is positive and the reversed score for "central attention" is negative, it is associated with "narrow field of vision." Furthermore, when both the reversed scores for "peripheral attention" and "central attention" are negative, it is associated with "wide field of vision." The control unit 102 can use this personality data table 45 to acquire personality information corresponding to the inversion score, similar to the example in Figure 11 described above, and estimate the driver's personality. For example, if in S106 the inversion score for "peripheral attention" is positive and the inversion score for "central attention" is positive, the control unit 102 plots the index 32 in the first quadrant of the two-dimensional chart 25, and acquires personality information such as "low concentration" corresponding to these inversion scores from the personality data table 45 and displays it on the display device.

[0081] Figure 19 shows an example where "peripheral judgment" and "central judgment" were selected as a combination of two items. Note that the example in Figure 19 differs from the example in Figure 13 in the selected items, but the other components are the same. In the two-dimensional chart 26 of Figure 19, the larger the value on the vertical axis, the lower the "peripheral judgment," and the smaller the value on the vertical axis, the higher the "peripheral judgment." It is shown that this is the case. Furthermore, in the two-dimensional chart 26 of Figure 19, it is shown that the larger the value on the horizontal axis, the lower the "central judgment ability," and the smaller the value on the horizontal axis, the higher the "central judgment ability." In this case, the control unit 102 converts the score calculated in S103 to a value with the mean (reference value) of the dataset set to 0, inverts the sign of the converted score, and obtains an inverted score.

[0082] Figure 20 shows a specific example of personality data table 46 when "peripheral judgment" and "central judgment" are selected and their scores are reversed. In personality data table 46 in Figure 20, "peripheral judgment" is selected as the first item and "central judgment" is selected as the second item. In personality data table 46 in Figure 20, the reversed scores for "peripheral judgment" and "central judgment" are each divided into two categories: positive and negative values. In personality data table 46 in Figure 20, when both the reversed scores for "peripheral judgment" and "central judgment" are positive, it is associated with "low concentration." When the reversed score for "peripheral judgment" is negative and the reversed score for "central judgment" is positive, it is associated with "easily distracted." When the reversed score for "peripheral judgment" is positive and the reversed score for "central judgment" is negative, it is associated with "narrow field of vision." Furthermore, when both the reversed scores for "peripheral judgment" and "central judgment" are negative, it is associated with "broad field of vision." The control unit 102 can use this personality data table 46 to acquire personality information corresponding to the inversion score, similar to the example in Figure 11 described above, and estimate the driver's personality. For example, if in S106 the inversion score for "peripheral judgment ability" is positive and the inversion score for "central judgment ability" is negative, the control unit 102 plots the index 32 in the second quadrant of the two-dimensional chart 26, and acquires personality information such as "narrow field of vision" corresponding to these inversion scores from the personality data table 46 and displays it on the display device.

[0083] Figure 21 shows an example where "peripheral concentration" and "central concentration" are selected as the combination of two items. Note that the example in Figure 21 differs from the example in Figure 13 in the selected items, but the other configurations are the same. In the two-dimensional chart 27 of Figure 21, it is shown that as the value on the vertical axis increases, "peripheral concentration" decreases, and as the value on the vertical axis decreases, "peripheral concentration" increases. Also, in the two-dimensional chart 27 of Figure 21, it is shown that as the value on the horizontal axis increases, "central concentration" decreases, and as the value on the horizontal axis decreases, "central concentration" increases. In this case, the control unit 102 converts the score calculated in S103 to a value with the mean value (reference value) of the dataset set to 0, inverts the sign of the converted score, and obtains an inverted score.

[0084] Figure 22 shows a specific example of personality data table 47 when "peripheral concentration" and "central concentration" are selected and their scores are reversed. In personality data table 47 in Figure 22, "peripheral concentration" is selected as the first item and "central concentration" is selected as the second item. Also, in personality data table 47 in Figure 22, the reversed scores for "peripheral concentration" and "central concentration" are each divided into two categories: positive and negative values. Furthermore, in personality data table 43 in Figure 22, when both the reversed scores for "peripheral concentration" and "central concentration" are positive, it is associated with "low concentration endurance". Also, when the reversed score for "peripheral concentration" is negative and the reversed score for "central concentration" is positive, it is associated with "easily distracted". When the reversed score for "peripheral concentration" is positive and the reversed score for "central concentration" is negative, it is associated with "narrow field of vision". In addition, when both the reversed scores for "peripheral concentration" and "central concentration" are negative, it is associated with "high concentration endurance". The control unit 102 can use this personality data table 47 to obtain personality information corresponding to the inversion score, similar to the example in Figure 11 described above, and estimate the driver's personality. For example, in S106, if the inversion score related to "peripheral concentration" is positive and the inversion score related to "central concentration" is positive, the control unit 102 will... The indicator 32 is plotted in the third quadrant of the dimensional chart 27, and personality information such as "high concentration endurance" corresponding to these inversion scores is obtained from the personality data table 47 and displayed on the display device. In this embodiment, as described above, some examples of estimating the driver's personality from a combination of two items selected from a plurality of items and the scores of these selected items have been explained using Figures 13 to 22. The driving ability diagnostic device 100A of this embodiment can also estimate and output the driver's personality from the scores of the selected items, similar to the examples in Figures 13 to 22, even when items other than those shown in Figures 13 to 22 are selected. In this case, for example, the driving ability diagnostic device 100A registers the score categories related to the first item and the score categories related to the second item, and the personality information P1 to P4 for each combination thereof, in the personality data table 41 of Figure 10, and stores them in the storage unit 108. In other words, for every possible combination of items that can be selected in S105, a registered personality data table 41 is created and stored in the storage unit 108. This allows the control unit 102 to estimate the driver's personality using the registered personality data table 41, even when items other than those shown in Figures 13 to 22 are selected, in the same way as in the examples in Figures 13 to 22.

[0085] (Effects and mechanisms of the embodiment) The Driving Ability Diagnostic Device 100A has a driver (user) who drives a vehicle take a test to diagnose their driving ability, and calculates scores for multiple items related to driving ability based on the driver's reaction time and other factors in the test. According to the Driving Ability Diagnostic Device 100A, by combining the average reaction time for each area and the standard deviation of reaction time obtained in a single test, scores for multiple items related to driving ability can be calculated, and the driver's personality can be estimated based on the scores of two of these items. According to the Driving Ability Diagnostic Device 100A, scores for multiple items related to driving ability can be calculated in a single test of about one minute, and the driver's personality can be estimated from multiple perspectives. The Driving Ability Diagnostic Device 100A outputs the estimated personality to the driver, allowing the driver to understand their own personality.

[0086] The above configurations can be implemented in combination whenever possible. In the above-described embodiment, an example was shown in which the driving ability diagnostic devices 100 and 100A display scores for each item related to driving ability and the driver's personality as a result of the test on a display device. However, the results of this test may be transmitted to information terminals or other systems carried by the driver so that they can be used by these systems.

[0087] <Computer-readable recording media> A program that enables a computer or other machine or device (hereinafter referred to as "computer, etc.") to perform any of the above functions can be recorded on a recording medium that the computer, etc. can read. By having the computer, etc. read and execute the program on this recording medium, it can be made to provide that function.

[0088] Here, a recording medium readable by a computer refers to a recording medium that stores information such as data and programs through electrical, magnetic, optical, mechanical, or chemical means and can be read by a computer. Such a recording medium may contain computer components such as a CPU and memory, and the CPU may be used to execute programs.

[0089] Examples of such recording media that can be removed from computers, etc., include flexible disks, magneto-optical disks, CD-ROMs, CD-R / Ws, DVDs, DATs, 8mm tapes, and memory cards.

[0090] Furthermore, there are hard disks and ROMs, which are recording media fixed to computers and other devices. [Explanation of Symbols]

[0091] 10: Screen 11 :+ mark 12: Central area 13: Peripheral area 14 :X mark 15 :O mark 100, 100A: Driving capability diagnostic device 102: Control Unit 104: Output section 106: Input section 108: Storage Unit 90: Information Processing Device 91: Processor 92: Memory 93: Storage section 94: Input section 95: Output section 96: Communication Control Unit

Claims

1. An output unit that displays a screen including a central region including the center position and peripheral regions other than the central region, An input section that accepts input from the user, A control unit which causes the output unit to display a first mark or a second mark different from the first mark in the central area or the peripheral area for a predetermined number of times at predetermined intervals, determines whether the input unit has received input from the user while the first mark or the second mark is displayed, measures the reaction time which is the time from when the first mark is displayed until the input unit receives input from the user, and calculates scores for multiple items related to the user's driving ability based on whether the input unit has received input from the user while the first mark or the second mark is displayed and the reaction time, A driving ability diagnostic device equipped with the following features.

2. The aforementioned multiple items include the speed of recognition based on the average reaction time of the first mark displayed in the central region, The driving ability diagnostic device according to claim 1.

3. The aforementioned multiple items include the speed of awareness based on the average reaction time of the first mark displayed in the surrounding area, The driving ability diagnostic device according to claim 1 or 2.

4. The aforementioned multiple items include a method of attention based on the ratio of the average reaction time of the first mark displayed in the central region to the average reaction time of the first mark displayed in the peripheral region. The driving ability diagnostic device according to claim 1 or 2.

5. The aforementioned multiple items include concentration based on the standard deviation of the reaction time of the first mark displayed in the central region, The driving ability diagnostic device according to claim 1 or 2.

6. The aforementioned multiple items include attention based on the number of times the input unit failed to accept a touch operation by the user while the first mark was displayed in the surrounding area. The driving ability diagnostic device according to claim 1 or 2.

7. The aforementioned multiple items include judgment based on the number of times the input unit receives a touch operation from the user while the second mark is displayed in the surrounding area. The driving ability diagnostic device according to claim 1 or 2.

8. The driving ability diagnostic device according to claim 1, wherein the control unit selects two items from the plurality of items and estimates the user's personality based on the scores of the two selected items.

9. The aforementioned multiple items, The speed of recognition based on the average reaction time of the first mark displayed in the central region, The speed of awareness based on the average reaction time of the first mark displayed in the surrounding area, A method of attention based on the ratio of the average reaction time of the first mark displayed in the central region to the average reaction time of the first mark displayed in the peripheral region, The central concentration based on the standard deviation of the reaction time of the first mark displayed in the central region, Peripheral concentration based on the standard deviation of the reaction time of the first mark displayed in the peripheral region, The central attention based on the number of times the input unit did not accept touch operations from the user while the first mark was displayed in the central area, Peripheral attention based on the number of times the input unit failed to accept touch operations from the user while the first mark was displayed in the surrounding area, The central judgment ability is determined based on the number of times the input unit receives touch operations from the user while the second mark is displayed in the central area, Peripheral judgment ability based on the number of times the input unit receives touch operations from the user while the second mark is displayed in the peripheral area, The driving capability diagnostic device according to claim 8, comprising at least one of the above.

10. A driving ability diagnostic device according to claim 8 or 9, which refers to a personality data table in which personality information indicating personality is registered in association with the score of a first item which is one of the plurality of items and the score of a second item which is different from the first item among the plurality of items, and estimates the personality from the scores of the two items calculated based on the user's input and the corresponding personality information.

11. Computers A screen is displayed that includes a central region containing the center position and a peripheral region other than the central region. Accepting input from users, The system displays a first mark or a second mark different from the first mark in the central area or the peripheral area a predetermined number of times for a predetermined period of time, determines whether or not input from the user was received while the first mark or the second mark was displayed, measures the reaction time (the time from when the first mark was displayed until input from the user was received) if the first mark was displayed, and calculates scores for multiple items related to the user's driving ability based on whether or not input from the user was received while the first mark or the second mark was displayed and the reaction time. A method for diagnosing driving ability to perform a task.

12. The driving ability diagnostic method according to claim 11, wherein the computer selects two items from the plurality of items and estimates the user's personality based on the scores of the two selected items.

13. On the computer, A screen is displayed that includes a central region containing the center position and a peripheral region other than the central region. Accepting input from users, The system displays a first mark or a second mark different from the first mark in the central area or the peripheral area a predetermined number of times for a predetermined period of time, determines whether or not input from the user was received while the first mark or the second mark was displayed, measures the reaction time (the time from when the first mark was displayed until input from the user was received) if the first mark was displayed, and calculates scores for multiple items related to the user's driving ability based on whether or not input from the user was received while the first mark or the second mark was displayed and the reaction time. A driver ability diagnostic program to perform the task.

14. The driving ability diagnostic program according to claim 13, which causes the computer to select two items from the aforementioned multiple items and estimate the user's personality based on the scores of both items.

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