Driving evaluation system

Abstract

To appropriately evaluate a driving action of a driver at a temporary stop intersection even without loading in a cabin a camera which images a face of the driver.SOLUTION: A communication device 30 acquires vehicle speed information indicating a vehicle speed of a vehicle 10 and position information indicating a position of the vehicle 10 from the vehicle 10. A determination section 32 determines on the basis of the position information whether or not the vehicle 10 is approaching a temporary stop intersection. In a case where it is determined by the determination section 32 that the vehicle 10 is approaching the temporary stop intersection, an evaluation section 34 evaluates a driving action of a driver of the vehicle 10 based on a length of a time for which the vehicle 10 stops at the temporary stop intersection or a speed at which the vehicle 10 passes the temporary stop intersection.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present disclosure relates to a system for evaluating a driver's driving behavior of a vehicle.

Background Art

[0002] There is known a technique for evaluating a driver's driving behavior of a vehicle according to whether the vehicle has stopped at a stop intersection.

[0003] Patent Document 1 describes a driving evaluation device that evaluates a driver's stop behavior at a stop intersection. The driving evaluation device initially diagnoses the driver's stop behavior based on the detection value of a vehicle speed sensor when the host vehicle passes through a stop intersection. Subsequently, the driving evaluation device detects the presence or absence of an intersection vehicle traveling on an intersection road that intersects the traveling road on which the host vehicle is traveling, and the presence or absence of a preceding vehicle traveling ahead of the host vehicle, based on the detection value of a front radar sensor. Further, the driving evaluation device determines the traveling direction of the host vehicle based on the output of a car navigation system. The driving evaluation device changes the diagnosis content of the driver's stop behavior of the host vehicle based on the presence or absence of an intersection vehicle, the presence or absence of a preceding vehicle, and the traveling direction of the host vehicle.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] At a stop intersection, the driver is required to pass through the intersection after confirming the surrounding safety. However, simply determining whether the vehicle has stopped at a stop intersection does not always accurately determine whether the driver has passed through the intersection after confirming the surrounding safety.

[0006] To address this, it is conceivable to install a camera that captures the driver's face inside the vehicle cabin and determine whether the driver is checking the surrounding safety at a stop intersection based on the image of the driver's face. However, to make such a determination, it is necessary to install a camera that captures the driver's face inside the vehicle cabin.

[0007] An object of the present disclosure is to appropriately evaluate the driving behavior of a driver at a stop intersection even when a camera for capturing the driver's face is not installed inside the vehicle cabin.

Means for Solving the Problem

[0008] One aspect of the present disclosure is an operation evaluation system including: an acquisition unit that acquires vehicle speed information indicating the vehicle speed of a vehicle and position information indicating the position of the vehicle; a determination unit that determines whether the vehicle is approaching a stop intersection based on the position information; and an evaluation unit that evaluates the driving behavior of the driver of the vehicle based on the length of time the vehicle has stopped at the stop intersection or the speed at which the vehicle passes through the stop intersection when it is determined by the determination unit that the vehicle is approaching the stop intersection.

Effects of the Invention

[0009] According to the present disclosure, even when a camera for capturing the driver's face is not installed inside the vehicle cabin, the driving behavior of the driver at a stop intersection can be appropriately evaluated.

Brief Description of the Drawings

[0010]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Embodiments for Carrying Out the Invention

[0011] Referring to FIG. 1, the overall system according to the embodiment will be described. FIG. 1 is a block diagram showing the overall configuration of the driving evaluation system according to the embodiment.

[0012] The overall system includes one or more vehicles 10, an evaluation device 12, and one or more terminal devices 14. The vehicle 10, the evaluation device 12, and the terminal device 14 have a function of communicating with each other via a communication path N such as the Internet.

[0013] The vehicle 10 transmits various information acquired by the vehicle 10 to the evaluation device 12 via the communication path N. For example, vehicle speed information indicating the vehicle speed of the vehicle 10 and position information indicating the position of the vehicle 10 are transmitted from the vehicle 10 to the evaluation device 12.

[0014] The evaluation device 12 evaluates the driving behavior of the driver of the vehicle 10 at a stop intersection based on various information (for example, vehicle speed information and position information) transmitted from the vehicle 10.

[0015] A stop intersection is an intersection where a vehicle must stop immediately before the intersection. For example, when a stop sign is provided immediately before the intersection, the position immediately before the intersection or the position immediately before the stop line is the position of the stop, and the vehicle must stop at the position of the stop. A typical example of a stop sign is a road sign indicating the string "Stop". An intersection where a road marking indicating a stop (for example, a road marking indicating the string "Stop") is formed also corresponds to an example of a stop intersection.

[0016] The evaluation device 12 transmits evaluation result information indicating the evaluation result of the driving behavior to the terminal device 14 via the communication path N. For example, the evaluation result indicated by the evaluation result information is displayed on the display of the terminal device 14 or output as sound from the speaker of the terminal device 14.

[0017] The evaluation device 12 may transmit the evaluation result information to the vehicle 10 via the communication path N. In this case, the evaluation result is displayed on the display provided in the vehicle 10 or output as sound from the speaker provided in the vehicle 10.

[0018] When a plurality of vehicles 10 are included in the overall system, the evaluation device 12 evaluates the driving behavior of the driver for each vehicle 10, and transmits the evaluation result information to the terminal device 14 corresponding to each vehicle 10 or transmits it to each vehicle 10.

[0019] The terminal device 14 is a personal computer (hereinafter referred to as "PC"), a tablet PC, a smartphone, a mobile phone, or the like. For example, the terminal device 14 is a device owned by the driver of the vehicle 10. The terminal device 14 may be a device mounted on the vehicle 10.

[0020] Hereinafter, with reference to FIG. 2, the configuration of the vehicle 10 related to the evaluation of the driving behavior will be described. FIG. 2 is a block diagram showing the configuration of the vehicle 10 related to the evaluation of the driving behavior.

[0021] The vehicle 10 includes a position information acquisition unit 16, a vehicle speed sensor 18, a camera 20, a recognition unit 22, a communication device 24, a storage device 26, and a control device 28.

[0022] The position information acquisition unit 16 acquires position information indicating the position of the vehicle 10. For example, the position information acquisition unit 16 acquires the position information of the vehicle 10 by using GPS (Global Positioning System). The position information acquisition unit 16 acquires position information at predetermined reference times. Information indicating the time when the position information is acquired is associated with the position information.

[0023] The vehicle speed sensor 18 measures the speed of the vehicle 10 and outputs speed information indicating the speed. The vehicle speed sensor 18 measures the speed at every predetermined reference time and outputs speed information. Information indicating the time when the speed is measured is associated with the speed information.

[0024] The camera 20 generates an image (for example, a moving image or a still image) representing the front of the vehicle 10 by photographing the front of the vehicle 10. Information indicating the photographing time is associated with the image. Further, the camera 20 may photograph the right side, the left side, and the rear of the vehicle 10.

[0025] The recognition unit 22 executes recognition processing on the image representing the front of the vehicle 10 generated by the camera 20, recognizes a stop sign from the image representing the front, and outputs recognition result information indicating the recognition result. The recognition result information is information indicating whether a stop sign has been recognized from the image representing the front of the vehicle 10. That is, the recognition unit 22 determines whether a stop sign is represented in the image representing the front, and outputs recognition result information indicating the determination result. The recognition unit 22 performs recognition processing at every predetermined reference time, and thus determines at every reference time whether a stop sign is represented in the image representing the front, and outputs recognition result information. Information indicating the time when the recognition processing is executed is associated with the recognition result information.

[0026] For example, the recognition unit 22 recognizes a stop sign from the image by using a pattern recognition technique or a recognition technique based on machine learning. The recognition unit 22 may recognize a stop sign from the image by using an Advanced Driver Assistance Systems (ADAS).

[0027] The recognition unit 22 may recognize a road marking indicating a stop from the image representing the front. In this case, the recognition result information is information indicating whether a stop road marking has been recognized from the image representing the front of the vehicle 10.

[0028] Note that the process by the recognition unit 22 may be executed by the evaluation device 12. In this case, the image generated by the camera 20 is transmitted from the vehicle 10 to the evaluation device 12 via the communication path N. The evaluation device 12 analyzes the image to recognize a stop sign or a road marking indicating a stop from the image.

[0029] The communication device 24 is a communication interface and has a function of transmitting information to other devices and a function of receiving information from other devices. The communication device 24 associates the position information acquired by the position information acquisition unit 16, the speed information output from the vehicle speed sensor 18, the recognition result information indicating the result of recognition by the recognition unit 22, and the identification information for identifying the vehicle 10 with each other, and transmits them to the evaluation device 12 via the communication path N. For example, the communication device 24 transmits these pieces of information to the evaluation device 12 each time these pieces of information are acquired. Specifically, the communication device 24 transmits these pieces of information to the evaluation device 12 at predetermined reference times. The communication device 24 may transmit the image generated by the camera 20 to the evaluation device 12.

[0030] The storage device 26 is a device that constitutes one or more storage areas for storing information. For example, the storage device 26 is a hard disk drive (HDD), a solid state drive (SSD), various memories (e.g., RAM, DRAM, NVRAM, ROM, etc.), or a combination thereof. The position information, the vehicle speed information, the image generated by the camera 20, the recognition result information, etc. are stored in the storage device 26.

[0031] The control device 28 controls the operations of the position information acquisition unit 16, the vehicle speed sensor 18, the camera 20, the recognition unit 22, and the communication device 24. The function of the control device 28 may be realized by an ECU (Electronic Control Unit).

[0032] Referring to FIG. 3, the configuration of the evaluation device 12 will be described. FIG. 3 is a block diagram showing the configuration of the evaluation device 12.

[0033] The evaluation device 12 includes a communication device 30, a determination unit 32, an evaluation unit 34, a storage device 36, and a control device 38.

[0034] The communication device 30 is a communication interface and has a function of transmitting information to other devices and a function of receiving information from other devices. When position information, speed information, recognition result information, and identification information are transmitted from the vehicle 10 to the evaluation device 12, the communication device 30 receives these pieces of information. When an image generated by the camera 20 is transmitted from the vehicle 10 to the evaluation device 12, the communication device 30 receives the image. Note that the communication device 30 corresponds to an example of an acquisition unit.

[0035] The determination unit 32 determines whether the vehicle 10 is approaching a stop intersection based on the recognition result information.

[0036] When the recognition result information indicates that a stop sign or a stop road marking has been recognized from an image representing the front of the vehicle 10, the determination unit 32 determines that the vehicle 10 is approaching a stop intersection. That is, when a stop sign or a stop road marking is shown in the image representing the front of the vehicle 10, the determination unit 32 determines that the vehicle 10 is approaching a stop intersection.

[0037] When the recognition result information does not indicate that a stop sign or a stop road marking has been recognized from an image representing the front of the vehicle 10, the determination unit 32 determines that the vehicle 10 is not approaching a stop intersection. That is, when neither a stop sign nor a stop road marking is shown in the image representing the front of the vehicle 10, the determination unit 32 determines that the vehicle 10 is not approaching a stop intersection.

[0038] The determination unit 32 may determine whether the vehicle 10 is approaching a stop intersection by using a database storing information indicating each stop position on the road. Specifically, the determination unit 32 determines whether the vehicle 10 is approaching a stop intersection by comparing the information indicating each stop position stored in the database with the position information of the vehicle 10. Further, the determination unit 32 determines whether the vehicle 10 is present within the stop intersection by comparing the information indicating each stop position stored in the database with the position information of the vehicle 10.

[0039] The evaluation unit 34 evaluates the driving behavior of the driver of the vehicle 10. For example, when the determination unit 32 determines that the vehicle 10 is approaching a stop intersection, the evaluation unit 34 evaluates the driving behavior of the driver at the stop intersection.

[0040] As driving evaluation items, the length of the time (hereinafter referred to as "stop time") that the vehicle 10 stops at a stop intersection, the speed (hereinafter referred to as "passing speed") at which the vehicle 10 passes through the stop intersection, the time (hereinafter referred to as "passing time") required for the vehicle 10 to pass through the stop intersection, and the number of stop intersections on the driving route are listed. The evaluation unit 34 evaluates the driving behavior of the driver based on one or more driving evaluation items. The method of evaluation based on each driving evaluation item will be described later.

[0041] The communication device 30 transmits evaluation result information indicating the evaluation result by the evaluation unit 34 to the terminal device 14 via the communication path N. The evaluation result is displayed on the display of the terminal device 14 or output as sound from the speaker of the terminal device 14.

[0042] The communication device 30 may transmit the evaluation result information to the vehicle 10 via the communication path N. In this case, the evaluation result is displayed on the display provided in the vehicle 10 or output as sound from the speaker provided in the vehicle 10.

[0043] The storage device 36 is a device that constitutes one or more storage areas for storing information. For example, the storage device 36 is an HDD, an SSD, various memories (such as RAM, DRAM, NVRAM, ROM, etc.), or a combination thereof. Information transmitted from the vehicle 10 to the evaluation device 12 (such as position information, vehicle speed information, images generated by the camera 20, and recognition result information, etc.) is stored in the storage device 36.

[0044] The control device 38 controls the operations of the communication device 30, the determination unit 32, and the evaluation unit 34.

[0045] Hereinafter, with reference to FIG. 4, the processing flow by the evaluation device 12 will be described. FIG. 4 is a flowchart showing the processing flow by the evaluation device 12.

[0046] The evaluation device 12 evaluates the driving behavior of the driver for all or part of the driving route of the vehicle 10. For example, the driving route is a section from the position where the driver starts driving the vehicle 10 to the position where the driver ends driving the vehicle 10.

[0047] The communication device 24 of the vehicle 10 transmits the position information of the vehicle 10, the speed information of the vehicle 10, the recognition result information, and the identification information to the evaluation device 12 via the communication path N. The communication device 30 of the evaluation device 12 receives the position information of the vehicle 10, the speed information of the vehicle 10, the recognition result information, and the identification information from the vehicle 10 (S01). For example, the communication device 24 of the vehicle 10 transmits this information to the evaluation device 12 at predetermined reference times, and the communication device 30 of the evaluation device 12 receives this information each time it is transmitted.

[0048] Based on the recognition result information, the determination unit 32 determines whether a stop sign has been recognized by the recognition unit 22 (S02). That is, based on the recognition result information, the determination unit 32 determines whether the vehicle 10 is approaching a stop intersection.

[0049] When a stop sign is recognized by the recognition unit 22 (S02, Yes), the evaluation unit 34 specifies the evaluation target section (S03).

[0050] The evaluation target section is the section between the evaluation start position and the evaluation end position. The evaluation start position is the position of the vehicle 10 when the stop sign is recognized. The evaluation end position is the position when the vehicle 10 has traveled a predetermined distance after passing the stop sign. The evaluation target section corresponds to the section of the stop intersection.

[0051] Based on the position information, speed information, and recognition result information obtained in the evaluation target section, the evaluation unit 34 evaluates the driving behavior of the driver in the evaluation target section (that is, the stop intersection) (S04).

[0052] When the process ends (S05, Yes), the communication device 30 transmits evaluation result information indicating the evaluation result by the evaluation unit 34 to the terminal device 14 (S06). For example, when the driving of the vehicle 10 ends, the process ends. The evaluation result is displayed on the display of the terminal device 14 or output as sound from the speaker of the terminal device 14.

[0053] When the process has not ended (S05, No), the process proceeds to step S01, and each process after step S01 is executed.

[0054] In step S02, when the stop sign is not recognized (S02, No), the process proceeds to step S05.

[0055] In addition, when the average speed of the vehicle 10 in the evaluation target section is less than the threshold value and the preceding vehicle for the vehicle 10 is recognized, it is presumed that a traffic jam has occurred. In this case, the evaluation unit 34 may not evaluate the driving behavior in the evaluation target section.

[0056] Also, when the interval between the time when a certain evaluation target section is specified and the time when the next evaluation target section is specified is less than the threshold value, there is a possibility that the evaluation target section and the next evaluation target section are misdetected. In this case, the evaluation unit 34 may not evaluate the driving behavior in the evaluation target section and the next evaluation target section.

[0057] Hereinafter, each embodiment will be described with reference to FIGS. 5 and 6. FIGS. 5 and 6 are diagrams showing a user interface representing evaluation results.

[0058] (Embodiment 1) In Embodiment 1, the evaluation unit 34 evaluates the driving behavior of the driver of the vehicle 10 based on the length of the time (stop time) that the vehicle 10 has stopped at the stop intersection. The evaluation unit 34 determines whether the vehicle 10 has stopped at the stop intersection based on the vehicle speed information of the vehicle 10.

[0059] The longer the stop time, the more likely it is that the driver is carefully checking the surrounding safety and the like. Therefore, the evaluation unit 34 evaluates that the driving behavior of the driver is safer as the stop time is longer.

[0060] The evaluation unit 34 may rank the safety level of the driving behavior step by step according to the length of the stop time. For example, the rank is a relative rank with respect to the average value of the stop times of other drivers (for example, a statistically processed average value).

[0061] When a plurality of stop intersections are recognized during the driving route, the evaluation unit 34 may evaluate the driving behavior based on the stop time for each stop intersection, or may calculate the average value of the stop times of the plurality of stop intersections and evaluate the driving behavior based on the average value.

[0062] The evaluation result information indicating the evaluation result based on the stop time is transmitted to the terminal device 14, and the evaluation result is displayed on the display of the terminal device 14. An example of the display is shown in FIG. 5(a). The screen 39 is a user interface representing the evaluation result and is displayed on the display of the terminal device 14.

[0063] The route image 40 is displayed on the screen 39. The route image 40 is an image representing the driving route of the vehicle 10. A map (not shown) is displayed on the screen 39, and the route image 40 is displayed on the map. The driving route is specified based on the position information of the vehicle 10, and the information indicating the driving route is included in the evaluation result information and transmitted from the evaluation device 12 to the terminal device 14.

[0064] In the example shown in FIG. 5(a), the stop time at the stop intersection is less than the threshold value (for example, less than 1 second), and information indicating this is displayed on the screen 39. For example, a message such as "You may not have confirmed safety at the stop intersection." is displayed on the screen 39.

[0065] A mark 42 is displayed on the route image 40. The mark 42 is an image representing a stop intersection where the stop time was less than the threshold value, and is displayed at the position on the route image 40 where the stop intersection was recognized.

[0066] By referring to the information displayed on the screen 39, the driver can check the length of the stop time at the stop intersection and confirm the safety of his / her own driving behavior. For example, the driver can check the stop intersections where the stop time was short.

[0067] FIG. 5(b) shows another evaluation result. When it is determined that the vehicle 10 has not stopped at the stop intersection, the screen 44 shown in FIG. 5(b) is displayed on the display of the terminal device 14.

[0068] A route image 46 representing the driving route is displayed on the screen 44. Marks 48 and 50 are images representing stop intersections where it is determined that the vehicle 10 has not stopped, and are displayed on the route image 46.

[0069] (Example 2) In Example 2, the evaluation unit 34 evaluates the driving behavior of the driver of the vehicle 10 based on the speed (passing speed) at which the vehicle 10 passes through the stop intersection.

[0070] When the passing speed is low, it is presumed that the vehicle 10 is passing through the stop intersection at a speed at which the driver can check the surrounding safety. Therefore, the evaluation unit 34 evaluates that the driving behavior of the driver is safer as the passing speed is lower.

[0071] The evaluation unit 34 may rank the safety level of the driving behavior step by step according to the passing speed. When a plurality of stop intersections are recognized, the evaluation unit 34 may evaluate the driving behavior based on the passing speed for each stop intersection, or may calculate the average value of the passing speeds of the plurality of stop intersections and evaluate the driving behavior based on the average value.

[0072] The evaluation result information indicating the evaluation result based on the passing speed is transmitted to the terminal device 14, and the evaluation result is displayed on the display of the terminal device 14. An example of the display is shown in FIG. 6(a). The screen 52 is a user interface representing the evaluation result and is displayed on the display of the terminal device 14.

[0073] A route image 54 representing the driving route is displayed on the screen 52. In the example shown in FIG. 6(a), the passing speed at the stop intersection is 7 km / h or more which is above the threshold value. Information indicating this is displayed on the screen 52. For example, a message such as "You are passing through the stop intersection too fast. Please drive at a speed at which you can check safety." is displayed on the screen 52.

[0074] A mark 56 is displayed on the route image 54. The mark 56 is an image representing a stop intersection where the passing speed was above the threshold value, and is displayed at the position on the route image 54 where the stop intersection was recognized.

[0075] By referring to the information displayed on the screen 52, the driver can check the passing speed at the stop intersection and confirm the safety of his / her own driving behavior. For example, the driver can check the stop intersection where the passing speed was high.

[0076] (Embodiment 3) In the third embodiment, the evaluation unit 34 evaluates the driving behavior of the driver of the vehicle 10 based on the time (passage time) required for the vehicle 10 to pass through the stop intersection.

[0077] When the passage time is long, it is presumed that the vehicle 10 is passing through the stop intersection at a speed at which the driver can confirm the surrounding safety. Therefore, the evaluation unit 34 evaluates that the driving behavior of the driver is safer as the passage time is longer.

[0078] The evaluation unit 34 may rank the safety level of the driving behavior step by step according to the passage time. When a plurality of stop intersections are recognized, the evaluation unit 34 may evaluate the driving behavior based on the passage time for each stop intersection, or may calculate the average value of the passage times of the plurality of stop intersections and evaluate the driving behavior based on the average value.

[0079] Also in the third embodiment, similar to the first and second embodiments, the evaluation result based on the passage time is displayed on the display of the terminal device 14. For example, a mark representing a stop intersection where the passage time is less than the threshold value is displayed on the route image representing the driving route. By doing so, the driver can confirm the stop intersection with a short passage time.

[0080] (Fourth Embodiment) In the fourth embodiment, the evaluation unit 34 evaluates the driving behavior of the driver of the vehicle 10 based on the number of stop intersections on the driving route.

[0081] It is presumed that a driving route with fewer stop intersections is a driving route where there is less need to stop and confirm safety. Therefore, the evaluation unit 34 evaluates that the driving behavior of the driver is safer as the number of stop intersections on the driving route is smaller.

[0082] Evaluation result information indicating the evaluation result based on the number of stop intersections is transmitted to the terminal device 14, and the evaluation result is displayed on the display of the terminal device 14. An example of the display is shown in FIG. 6(b). The screen 58 is a user interface representing the evaluation result and is displayed on the display of the terminal device 14.

[0083] A route image 60 representing the driving route is displayed on the screen 58. In the example shown in FIG. 6(b), the vehicle 10 has passed through 10 stop intersections during the driving route. The marks 62 are a group of images representing the 10 stop intersections and are displayed at the positions where each stop intersection is recognized on the route image 60.

[0084] The driver can check the number of stop intersections existing on the driving route by referring to the information displayed on the screen 58.

[0085] Note that the evaluation unit 34 may calculate a recommended driving route which is the driving route from the start position to the end position of the driving and has a smaller number of stop intersections. Information indicating the recommended driving route is transmitted from the evaluation device 12 to the terminal device 14 and is displayed on the display of the terminal device 14. By doing so, the driver can check a driving route with a smaller number of stop intersections.

[0086] As described above, according to the present embodiment, the driving behavior of the driver is evaluated based on the stop time at the stop intersection, the passing speed at the stop intersection, the passing time at the stop intersection, or the number of stop intersections on the driving route. Thereby, it is possible to appropriately evaluate the driving behavior without providing a camera in the vehicle interior for photographing the driver's face in order to determine whether the driver is checking the safety of the surroundings based on the image of the driver's face.

[0087] Note that the evaluation device 12 may execute a combination of a plurality of examples among Examples 1 to 4. In this case, the evaluation device 12 may calculate the average of the evaluation results of each example as the final evaluation, or may apply a weighting process according to the example to the evaluation result to calculate the final evaluation.

[0088] The functions of the evaluation device 12 may be realized by a single device or by a plurality of devices. Also, some functions of the evaluation device 12 may be realized by the vehicle 10. Similarly, some functions of the vehicle 10 may be realized by the evaluation device 12. A system for evaluating driving behavior may be constructed by the vehicle 10 and the evaluation device 12.

[0089] The position information acquisition unit 16, the recognition unit 22, and the control device 28 can be realized by using hardware resources such as a processor or an electronic circuit, and a device such as a memory may be used as necessary in the realization. Also, the position information acquisition unit 16, the recognition unit 22, and the control device 28 may be realized by, for example, a computer. That is, all or part of the position information acquisition unit 16, the recognition unit 22, and the control device 28 may be realized by the cooperation of hardware resources such as a CPU (Central Processing Unit) and a memory provided in the computer, and software (program) that defines the operation of the CPU and the like. The program is stored in the storage device of the vehicle 10 via a recording medium such as a CD or a DVD, or via a communication path such as a network. As another example, the position information acquisition unit 16, the recognition unit 22, and the control device 28 may be realized by a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or the like. Of course, a GPU (Graphics Processing Unit) or the like may be used.

[0090] Similarly, the determination unit 32, the evaluation unit 34, and the control device 38 can be realized by using hardware resources such as a processor or an electronic circuit, and a device such as a memory may be used as necessary in the realization. Further, the determination unit 32, the evaluation unit 34, and the control device 38 may be realized by, for example, a computer. That is, all or part of the determination unit 32, the evaluation unit 34, and the control device 38 may be realized by the cooperation of hardware resources such as a CPU and a memory provided in the computer and software (program) that defines the operations of the CPU and the like. The program is stored in the storage device of the evaluation device 12 via a recording medium such as a CD or a DVD, or via a communication path such as a network. As another example, the determination unit 32, the evaluation unit 34, and the control device 38 may be realized by a DSP, an ASIC, an FPGA, or the like. Of course, a GPU or the like may be used.

Explanation of Signs

[0091] 10 Vehicle, 12 Evaluation device, 14 Terminal device, 16 Position information acquisition unit, 18 Vehicle speed sensor, 20 Camera, 22 Recognition unit, 32 Determination unit, 34 Evaluation unit.

Claims

Claim 1 An acquisition unit that acquires vehicle speed information indicating the vehicle speed of a vehicle and position information indicating the position of the vehicle; A determination unit that determines whether or not the vehicle is approaching a stop intersection based on the position information; When it is determined by the determination unit that the vehicle is approaching the stop intersection, based on the length of time the vehicle has stopped at the stop intersection or the speed at which the vehicle passes through the stop intersection, an evaluation unit that evaluates the driving behavior of the driver of the vehicle; A driving evaluation system, characterized by comprising the above. Claim 2 In the driving evaluation system according to Claim 1, The evaluation unit evaluates that the driving behavior is safer as the time the vehicle has stopped at the stop intersection is longer or the speed at which the vehicle passes through the stop intersection is slower. A driving evaluation system, characterized by the above.

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