Behavior estimation system and behavior estimation device
The system estimates medical worker behavior outside sensor-covered areas by identifying them at border points and tracking facility users' presence, addressing the cost issue of expanding sensor installation.
Patent Information
- Application Number
- JP2022001051
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2022-01-06
- Publication Date
- 2025-12-11
- Estimated Expiration
- 2042-01-06
AI Technical Summary
Existing systems cannot detect the position of medical workers outside the specified area where indoor positioning sensors are installed, leading to increased installation costs when expanding the target area for behavior detection.
A system that identifies medical workers at border points using detection devices and estimates their behavior outside the specified area based on the combination of identification information from wireless transmitters and receivers, determining the presence of facility users within a specified time difference.
Enables behavior estimation of medical workers in areas without position detection means, reducing installation costs by identifying the presence and actions of workers and facility users at border points.
Smart Images

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Abstract
Description
[Technical Field]
[0001] The present invention relates to a behavior estimation system and a behavior estimation device, and is particularly suitable for use in a system and device that estimates the behavior of medical staff in a facility. [Background technology]
[0002] BACKGROUND ART Conventionally, there is known a technique for detecting and displaying the flow lines, which are the trajectories of movements of nurses and caregivers (hereinafter collectively referred to as medical professionals) within a facility (see, for example, Patent Document 1).
[0003] In the flow and stagnation analysis system described in Patent Document 1, indoor positioning sensors are installed in multiple areas within the facility and at each passing point that medical personnel pass through when moving between areas, and each medical personnel carries a mobile information terminal that receives radio waves emitted by the indoor positioning sensor and transmits the strength of the received radio waves and identification information, and the information transmitted from the mobile information terminal is used to determine and output the medical personnel's stagnation areas and flow.
[0004] By deriving the movement paths of medical staff, it is possible to accurately understand how medical staff move within a facility while performing nursing or care work. This makes it possible to improve work efficiency by, for example, identifying unnecessary movements of medical staff. [Prior art documents] [Patent documents]
[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-215684 Summary of the Invention [Problem to be solved by the invention]
[0006] However, the technology described in Patent Document 1 cannot detect the position of a medical worker outside the specified area where the indoor positioning sensor is installed. Therefore, there is a problem in that it is not possible to determine what the medical worker is doing when the medical worker leaves the specified area. In order to expand the target area for determining the behavior of the medical worker, it is necessary to expand the installation area of the indoor positioning sensor, but doing so poses a problem of increasing installation costs.
[0007] The present invention has been made to solve such problems, and aims to make it possible to estimate the behavior of medical personnel even in areas where no position detection means is installed. [Means for solving the problem]
[0008] In order to solve the above-mentioned problems, the present invention is configured to identify medical workers or facility users present at a border point based on detection information obtained by a detection device installed at the border point of a specified area within the facility, and when a medical worker is identified based on the detection information, the behavior of the medical worker in an area outside the specified area where no detection device is installed is estimated based on a combination of first information indicating whether the facility user has been identified within a specified time difference when the medical worker is identified based on the detection information, and second information indicating whether the facility user has been identified within a specified time difference when the medical worker is subsequently identified again. [Effects of the Invention]
[0009] According to the present invention configured as described above, not only is the presence of a medical worker identified at a boundary point of a predetermined area within a facility, but the presence of a facility user within a predetermined time lag from the time the medical worker was identified is also identified. If the facility user is also identified within a predetermined time lag from the time the medical worker was identified, it can be inferred that the medical worker and the facility user may have been acting together. Therefore, depending on whether the facility user is also identified when the medical worker is identified once at the boundary point and when he or she is subsequently identified again, it is possible to estimate the actions that the medical worker may have taken together with the facility user between leaving the boundary point of the predetermined area and returning. This makes it possible to estimate the actions of a medical worker even in areas where a detection device serving as a position detection means is not installed. [Brief explanation of the drawings]
[0010] [Figure 1] 1 is a diagram illustrating an example of the overall configuration of a behavior estimation system according to an embodiment of the present invention. [Figure 2] 1 is a block diagram illustrating an example of a functional configuration of an information processing device according to an embodiment of the present invention. [Figure 3] FIG. 4 is a diagram schematically illustrating an example of information stored in a detection information storage unit according to the present embodiment. [Figure 4] FIG. 2 is a schematic diagram for explaining the content of estimation by a behavior estimation unit of the present embodiment. DETAILED DESCRIPTION OF THE INVENTION
[0011] An embodiment of the present invention will be described below with reference to the drawings. Fig. 1 is a diagram showing an example of the overall configuration of a behavior estimation system according to this embodiment. The behavior estimation system of this embodiment is configured to include a first wireless transmitter 110A held by a medical worker MS and transmitting first identification information by which each medical worker MS can be identified, a second wireless transmitter 110B held by a facility user FU and transmitting second identification information by which each facility user FU can be identified, a wireless receiver 120 that receives the first identification information and the second identification information, and an information processing device (behavior estimation device) 100.
[0012] The facility to which the behavior estimation system of this embodiment is applied is, for example, a hospital or a nursing home. The wireless transmitters 110A, 110B carried by the medical staff MS and the facility user FU are, for example, wireless IC tags. In this case, the wireless receiver 120 is a tag reader. This wireless receiver 120 is a detection device that acquires information used to determine the presence of the medical staff MS and the facility user FU in the facility, and is installed at multiple locations within the facility.
[0013] The example in Figure 1 shows the floor layout of the first floor in one ward in a facility. There are multiple rooms and corridors on the floor, and a wireless receiver 120 is installed in each room and corridor. In addition, there is an entrance / exit ET for the ward on the first floor, and a wireless receiver 120 is also installed at this entrance / exit point. In this embodiment, the interior of the ward shown in Figure 1 is assumed to be a predetermined area that is normally used by facility users FU. No wireless receiver 120 is installed outside the ward.
[0014] In the example of Fig. 1, the wireless receiver 120 installed at the entrance / exit ET corresponds to a detection device installed at the boundary point of a predetermined area of the facility. Hereinafter, the wireless receiver 120 installed at this boundary point will be specifically referred to as border point wireless receiver 120E. In the example of Fig. 1, another wireless receiver 120 is set near this border point wireless receiver 120E, but on the farther side (inside the predetermined area) as viewed from the entrance / exit ET than the border point wireless receiver 120E. Hereinafter, the wireless receiver 120 installed at this nearby point will be specifically referred to as nearby point wireless receiver 120N.
[0015] The distance between the border point wireless receiver 120E and the nearby point wireless receiver 120N is preferably set to a distance such that the radio waves transmitted from the wireless transmitters 110A, 110B are received by only one of the wireless receivers 120E, 120N, or such that there is a significant difference in reception strength even if the radio waves are received by both the wireless receivers 120E, 120N. This makes it possible to identify whether the medical worker MS or facility user FU is closer to the border point wireless receiver 120E or the nearby point wireless receiver 120N.
[0016] The multiple wireless receivers 120 and the information processing device 100 are connected via a wired or wireless LAN (Local Area Network). While Fig. 1 shows a state in which some of the wireless receivers 120 are connected to the information processing device 100 via a wired connection, the remaining wireless receivers 120 are also connected to the information processing device 100 via a wired connection. When connected via a wireless LAN, the multiple wireless receivers 120 have a wireless transmission function for transmitting signals in addition to a wireless reception function for receiving signals transmitted from the wireless transmitters 110A and 110B. Information contained in the signals transmitted by this wireless transmission function is transmitted to the information processing device 100 via an access point (not shown).
[0017] The first wireless transmitter 110A periodically transmits a signal including first identification information at regular intervals. The first wireless transmitter 110A has a wireless transmission function using, for example, Wi-Fi (registered trademark), and transmits the first identification information pre-stored in an internal memory at regular intervals.
[0018] The second wireless transmitter 110B periodically transmits a signal including second identification information at regular intervals. The second wireless transmitter 110B has a wireless transmission function using, for example, Wi-Fi (registered trademark), and transmits second identification information stored in advance in an internal memory at regular intervals.
[0019] The wireless receiver 120 stores a receiver ID that can identify the wireless receiver 120. When the wireless receiver 120 receives the first identification information or the second identification information from the first wireless transmitter 110A or the second wireless transmitter 110B, the wireless receiver 120 transmits the received identification information together with the receiver ID to the information processing device 100. The first identification information and the second identification information received by the wireless receiver 120 correspond to detection information used to determine the presence of the medical worker MS and the facility user FU.
[0020] The first identification information and the second identification information may be any information that can identify each individual medical worker MS and each individual facility user FU, but may also be information that can distinguish between a medical worker MS and a facility user FU. In this embodiment, for ease of explanation, the first identification information will be expressed as "MSxxx" as information that can identify that it is a medical worker MS, and the second identification information will be expressed as "FUxxx" as information that can identify that it is a facility user FU.
[0021] The information processing device 100 performs a process of estimating the behavior of the medical worker MS in an area outside the predetermined area (an area where no wireless receivers 120 are installed) based on detection information acquired by multiple wireless receivers 120 installed at multiple locations, including the boundary points of the predetermined area and other locations. The specific content of this process will be described below with reference to FIG. 2.
[0022] Fig. 2 is a block diagram showing an example of the functional configuration of an information processing device 100 according to this embodiment. As shown in Fig. 2, the information processing device 100 according to this embodiment includes, as functional components, a detection information receiving unit 11, a presence identifying unit 12, and a behavior estimating unit 13. The information processing device 100 according to this embodiment also includes, as storage media, a detection information storage unit 10A, a user information storage unit 10B, and a receiver information storage unit 10C.
[0023] The functional blocks 11 to 13 can be configured by any of hardware, a DSP (Digital Signal Processor), and software. For example, when configured by software, the functional blocks 11 to 13 are actually configured with a computer's CPU, RAM, ROM, etc., and are realized by the operation of a program stored in the RAM or ROM. The program may also be stored in other storage media such as a hard disk or semiconductor memory.
[0024] The user information storage unit 10B stores information about the medical staff MS and the facility users FU in advance. For example, the user information storage unit 10B stores information associating the name of the medical staff MS with first identification information transmitted from a first wireless transmitter 110A held by the medical staff MS. The user information storage unit 10B also stores information associating the name of a facility user FU with second identification information transmitted from a second wireless transmitter 110B held by the facility user FU.
[0025] The receiver information storage unit 10C stores in advance information relating to a plurality of wireless receivers 120. For example, the receiver information storage unit 10C stores information associating the location where the wireless receiver 120 is installed with the receiver ID.
[0026] The detection information receiving unit 11 receives detection information and receiver IDs transmitted from multiple wireless receivers 120, and stores them sequentially in the detection information storage unit 10A together with the reception time. Fig. 3 is a diagram schematically showing an example of information stored in the detection information storage unit 10A. As shown in Fig. 3, the detection information storage unit 10A stores, for each record, the reception time of the detection information, the detection information (first identification information and second identification information), and the receiver ID in association with each other.
[0027] For example, record R1 contains the reception time "2021 / 12 / 08 10:45:28" and the facility user FU -3 The record R2 stores the second identification information "FU003" that can identify the wireless receiver 120 installed at a certain location, and the receiver ID "WR008" that can identify the wireless receiver 120 installed at a certain location. The record R2 stores the reception time "2021 / 12 / 08 10:45:31" and the name of the medical worker MS -5 The first identification information "MS005" that can identify the wireless receiver 120 installed at a certain location, and the receiver ID "WR003" that can identify the wireless receiver 120 installed at a certain location are stored in the record. The same applies to the other records. In the following description, the receiver ID of the border point wireless receiver 120E is assumed to be "WR001", and the receiver ID of the nearby point wireless receiver 120N is assumed to be "WR002".
[0028] As will be described later, the medical staff MS and facility user FU are identified based on the detection information (first identification information and second identification information) stored in the detection information storage unit 10A, and the location of the wireless receiver 120 is identified based on the receiver ID. Therefore, the information stored in the detection information storage unit 10A is information that can be used as behavior history information that indicates the history of the locations to which the medical staff MS and facility user FU have moved within the ward.
[0029] The present person identification unit 12 identifies a medical worker MS or a facility user FU present at a border point of a predetermined area based on the detection information (first identification information and second identification information received by the wireless receiver 120) and the receiver ID stored in the detection information storage unit 10A. That is, the present person identification unit 12 determines whether the wireless receiver 120 corresponding to the receiver ID stored in the detection information storage unit 10A is a border point wireless receiver 120E by referring to the receiver information storage unit 10C. If it is determined to be a border point wireless receiver 120E, the present person identification unit 12 identifies a medical worker MS or a facility user FU present at a border point of a predetermined area by referring to the user information storage unit 10B based on the detection information stored in the detection information storage unit 10A together with the receiver ID.
[0030] Here, the presence identification unit 12 identifies a medical worker MS each time the first identification information is received by the multiple wireless receivers 120 (each time the first identification information is stored in the detection information storage unit 10A). Then, when one medical worker MS is identified at a border point, it identifies whether the one medical worker MS is moving from the inside to the outside of the predetermined area or from the outside to the inside, based on the order of identification until the one medical worker MS is identified at the border point.
[0031] In this embodiment, when a medical worker MS is identified by first identification information stored in a record in the detection information storage unit 10A together with the receiver ID of the border point wireless receiver 120E, the presence identification unit 12 determines whether first identification information corresponding to the medical worker MS has been stored in the detection information storage unit 10A together with the receiver ID of the nearby point wireless receiver 120N within a predetermined time period prior to the identification. The predetermined time period is appropriately set based on the relationship between the distance between the border point wireless receiver 120E and the nearby point wireless receiver 120N and the expected normal walking speed of the medical worker MS. For example, when the distance between the border point wireless receiver 120E and the nearby point wireless receiver 120N is 1 meter, the predetermined time period is set to approximately 1 to 2 seconds.
[0032] For example, when information is stored in the detection information storage unit 10A as shown in FIG. 3, the first identification information “MS007” stored in the record R103 together with the receiver ID “WR001” of the border point wireless receiver 120E is used to identify one medical worker MS -7 When the wireless receiver 120N is identified, within a predetermined time period prior to that, a medical worker MS -7 3, the detection information storage unit 10A determines whether the first identification information "MS007" corresponding to the record R102 is stored.
[0033] This determination corresponds to determining whether a medical worker MS is identified at the installation location of the nearby point wireless receiver 120N and then, within a predetermined time, the same medical worker MS is identified at the installation location (border point) of the border point wireless receiver 120E. If the determination result is "yes," it is determined that the medical worker MS is attempting to move from the inside to the outside of the predetermined area. On the other hand, if the determination result is "no," it is determined that the medical worker MS is attempting to move from the outside to the inside of the predetermined area.
[0034] The behavior estimation unit 13 estimates the behavior of a single medical worker MS outside a specified area based on a combination of first information indicating whether or not a facility user FU present at a border point within a specified time difference before and after the point in time when a single medical worker MS attempting to move from inside to outside the specified area is identified by the presence person identification unit 12, and second information indicating whether or not a facility user FU present at a border point within a specified time difference before and after the point in time when a single medical worker MS attempting to move from outside to inside the specified area is subsequently identified by the presence person identification unit 12. In this embodiment, the behavior estimation unit 13 estimates the transport behavior of a facility user FU by the medical worker MS.
[0035] Here, the predetermined time difference is appropriately set in relation to the distance normally assumed to be between the medical worker MS and the facility user FU when the medical worker MS transports the facility user FU to a predetermined location, and the walking speeds assumed for the medical worker MS and the facility user FU during transport. For example, if the assumed distance between the medical worker MS and the facility user FU is 1 m, the predetermined time difference is set to about 1 to 2 seconds.
[0036] In other words, when a medical worker MS attempting to move from inside to outside a specified area is identified by first identification information stored in a certain record in the detection information storage unit 10A together with the receiver ID “WR001” of the border point wireless receiver 120E, the behavior estimation unit 13 determines whether second identification information corresponding to the facility user FU is stored in the detection information storage unit 10A together with the receiver ID “WR001” of the border point wireless receiver 120E within a specified time difference before or after the reception time indicated in the record, and stores first information indicating the determination result in a temporary storage medium such as a memory.
[0037] When information is stored in the detection information storage unit 10A as shown in FIG. 3, the first identification information “MS007” stored in the record R103 together with the receiver ID “WR001” of the border point wireless receiver 120E identifies a medical worker MS who is moving from the inside to the outside of the predetermined area. -7 When the facility user FU is identified, the facility user FU is identified as a facility user at the border point by the second identification information “FU009” stored in the record R104 together with the receiver ID “WR001” of the border point wireless receiver 120E within a predetermined time lag thereafter. -9 In this case, the behavior estimation unit 13 determines whether the medical worker MS -7 Together with facility users FU -9 If the information shown in the record R104 is not stored in the detection information storage unit 10A, the behavior estimation unit 13 will not be able to identify the medical worker MS at the border point. -7 At the same time, first information indicating that no facility user FU has been identified is stored in the temporary storage medium.
[0038] In addition, after storing the first information in a temporary storage medium, when a medical worker MS attempting to move from outside to inside a specified area is identified by first identification information (the same first identification information as stored in the above-mentioned certain record) stored in another record in the detection information storage unit 10A together with the receiver ID ``WR001'' of the border point wireless receiver 120E, the behavior estimation unit 13 determines whether second identification information corresponding to the facility user FU is stored in the detection information storage unit 10A together with the receiver ID ``WR001'' of the border point wireless receiver 120E within a specified time difference before or after the reception time indicated in the record, and stores second information indicating the determination result in a temporary storage medium such as a memory.
[0039] Then, the behavior estimation unit 13 estimates the transport behavior of the facility user FU by one medical worker MS outside the predetermined area based on the combination of the first information and the second information stored in the temporary storage medium.
[0040] FIG. 4 is a schematic diagram for explaining the content of estimation by the behavior estimation unit 13. In the matrix shown in FIG. 4, the vertical axis represents the first information, and the horizontal axis represents the second information. The first information has two types: when a medical worker MS attempting to move from inside to outside the specified area is identified, a facility user FU present at the border point is identified within a predetermined time difference before and after that point, and when it is not identified. The second information has two types: when a medical worker MS attempting to move from outside to inside the specified area is identified, a facility user FU present at the border point is identified within a predetermined time difference before and after that point, and when it is not identified. As a result, four states are expressed by combining the first information and the second information.
[0041] The top left square shows a first state in which, when a medical worker MS is identified as moving from inside to outside the specified area, a facility user FU is identified at the border point within a predetermined time lag before and after that point, and when a medical worker MS is subsequently identified as moving from outside to inside the specified area, a facility user FU is identified at the border point within a predetermined time lag before and after that point. From this first state, it can be inferred that the medical worker MS and the facility user FU both left the ward, and then returned to the ward from outside. In this case, the behavior estimation unit 13 infers that the medical worker MS took the facility user FU to an examination room or the like outside the ward, and returned with the facility user FU after the examination was completed (round-trip transport behavior).
[0042] The upper right square shows a second state in which, when a medical worker MS is identified as moving from inside to outside the specified area, a facility user FU is identified at the border point within a predetermined time lag before and after that point, and when a medical worker MS is identified as moving from outside to inside the specified area, a facility user FU is not identified at the border point within a predetermined time lag before and after that point. From this second state, it can be inferred that the medical worker MS and the facility user FU both left the ward, and then the medical worker MS returned to the ward alone. In this case, the behavior estimation unit 13 infers that the medical worker MS took the facility user FU to an examination room or the like outside the ward and returned alone (outbound transport behavior).
[0043] The bottom left square shows a third state in which, when a medical worker MS is identified as moving from inside to outside the specified area, no facility user FU is identified at the border point within a predetermined time lag from that point onward, and when a medical worker MS is subsequently identified as moving from outside to inside the specified area, a facility user FU is identified at the border point within a predetermined time lag from that point onward. From this third state, it can be inferred that the medical worker MS left the ward alone and then returned to the ward with the facility user FU. In this case, the behavior estimation unit 13 infers that the medical worker MS brought the facility user FU back from an examination room or the like outside the ward (return transport behavior).
[0044] The bottom right square shows a fourth state in which, when a medical worker MS is identified as moving from inside to outside the specified area, no facility user FU is identified at the border point within a predetermined time lag from that point onward, and when a medical worker MS is subsequently identified as moving from outside to inside the specified area, no facility user FU is identified at the border point within a predetermined time lag from that point onward. From this fourth state, it can be inferred that the medical worker MS left the ward alone and then returned to the ward alone. In this case, the behavior estimation unit 13 infers that the medical worker MS did not transport the facility user FU (non-transport behavior).
[0045] As described in detail above, in this embodiment, a medical worker MS or facility user FU present at a border point is identified based on detection information acquired by a border point wireless receiver 120E installed at the border point of a specified area within the facility, and the behavior of a medical worker MS in an area outside the specified area where a wireless receiver 120 is not installed is estimated based on a combination of first information indicating whether or not the facility user FU has been identified within a specified time difference when a medical worker MS is identified based on the detection information, and second information indicating whether or not the facility user FU has been identified within a specified time difference when the medical worker MS is subsequently identified again.
[0046] According to the present embodiment configured as described above, not only is the presence of the medical worker MS identified at the boundary point of a predetermined area within the facility, but the presence of the facility user FU within a predetermined time difference from the time the medical worker MS was identified is also identified. Therefore, depending on whether the facility user FU was also identified when the medical worker MS was identified once at the boundary point and when he was identified again, it is possible to estimate the transportation behavior that the medical worker MS may have performed together with the facility user FU from the time the medical worker MS left the boundary point of the predetermined area until he returned. As a result, according to the present embodiment, the behavior of the medical worker MS can be estimated even in an area where a wireless receiver 120 serving as a position detection means is not installed.
[0047] In the above embodiment, an example has been described in which a nearby point wireless receiver 120N is installed near the border point wireless receiver 120E, and whether a medical worker MS is moving from the inside to the outside of a predetermined area or from the outside to the inside is determined based on the order in which the medical worker MS is identified by these two wireless receivers 120E, 120N. However, it is not essential to install a nearby point wireless receiver 120N. In other words, it may be determined whether a medical worker MS is moving from the inside to the outside of a predetermined area or from the outside to the inside based on the order in which the medical worker MS is identified by the border point wireless receiver 120E and another wireless receiver 120.
[0048] Alternatively, the process of determining whether a medical worker MS is moving from the inside to the outside of a predetermined area or from the outside to the inside may be omitted. That is, the behavior estimation unit 13 may estimate the behavior of a medical worker MS outside a predetermined area based on a combination of first information indicating whether a facility user FU is identified by the present person identification unit 12 within a predetermined time difference when the medical worker MS is identified by the present person identification unit 12, and second information indicating whether a facility user FU is identified by the present person identification unit 12 within a predetermined time difference when the medical worker MS is subsequently identified again by the present person identification unit 12. For example, after the medical worker MS registers attendance in a time attendance system (not shown), information regarding the identification of the facility user FU when the medical worker MS is identified by the present person identification unit 12 an odd number of times may be defined as the first information, and information regarding the identification of the facility user FU when the medical worker MS is identified an even number of times may be defined as the second information.
[0049] Furthermore, in the above embodiment, an example was described in which it was determined only for the medical worker MS whether he / she is attempting to move from the inside to the outside of a specified area or from the outside to the inside. However, it is also possible to further determine for the facility user FU whether he / she is attempting to move from the inside to the outside of a specified area or from the outside to the inside, and the behavior estimation unit 13 may estimate the behavior of the medical worker MS based on this determination result.
[0050] In this case, the presence identification unit 12 identifies a facility user FU each time the second identification information is received by the multiple wireless receivers 120, and when the facility user FU is identified at the border point, it determines whether the facility user FU is attempting to move from the inside to the outside of the specified area or from the outside to the inside based on the order of identification until the facility user FU is identified at the border point.
[0051] The behavior estimation unit 13 estimates the behavior of a medical worker outside a specified area based on a combination of first information indicating whether or not a facility user FU attempting to move from inside to outside the specified area has been identified by the present person identification unit 12 within a specified time difference when a medical worker MS attempting to move from inside to outside the specified area is identified by the present person identification unit 12, and second information indicating whether or not a facility user FU attempting to move from outside to inside the specified area has been identified by the present person identification unit 12 within a specified time difference when a medical worker MS attempting to move from outside to inside the specified area is subsequently identified by the present person identification unit 12.
[0052] In this way, when a medical worker MS attempting to move from the inside to the outside of a specified area is identified by the presence identification unit 12, or when a medical worker MS attempting to move from the outside to the inside of a specified area is identified by the presence identification unit 12, it is possible to prevent the behavior of the medical worker MS from being erroneously estimated due to the influence of the presence identification unit 12 identifying a facility user FU who simply happens to be near the border point wireless receiver 120E.
[0053] In the above embodiment, the wireless receiver 120 has been described as an example of a detection device, but this is not limiting. For example, the detection device may be a camera. In this case, it is not necessary to replace all wireless receivers 120 with cameras, and only the border point wireless receiver 120E may be replaced with a camera. In this case, the nearby point wireless receiver 120N is not required.
[0054] When the detection device is configured using a camera, the presence identification unit 12 identifies a medical worker MS or facility user FU present at the boundary point of a specified area, for example, based on an image taken by the camera, and also identifies whether a medical worker MS is attempting to move from the inside to the outside of the specified area, or from the outside to the inside.
[0055] For example, the entity identification unit 12 detects feature information related to the appearance of a person appearing in a photographed image, and inputs the feature information into a neural network model that has been machine-learned in advance using image information of the medical worker MS and facility user FU, thereby identifying which medical worker MS or facility user FU the person appearing in the photographed image is. Also, by detecting the movement direction of the identified medical worker MS from the photographed image, it is identified whether the medical worker MS is moving from the inside to the outside of a predetermined area, or from the outside to the inside.
[0056] In addition, a camera may be further provided near the border point wireless receiver 120E, and the presence of medical personnel MS and facility users FU at the border point may be identified based on the detection information of the border point wireless receiver 120E, while the image captured by the camera may be analyzed to identify whether a medical personnel MS is attempting to move from the inside to the outside of a specified area, or from the outside to the inside.
[0057] Furthermore, the above-described embodiments are merely examples of specific embodiments for carrying out the present invention, and the technical scope of the present invention should not be construed as being limited thereby. In other words, the present invention can be carried out in various forms without departing from its spirit or main characteristics. [Explanation of symbols]
[0058] 11. Detection information receiving unit 12 Existence identification part 13 Behavior estimation section 100 Information processing device (behavior estimation device) 110A First Radio Transmitter 110B Second radio transmitter 120 Radio receiver (detection device) 120E Borderline Radio Receiver 120N Near Field Radio Receiver MS healthcare professionals FU facility users
Claims
1. a detection device that acquires detection information used to determine the presence of medical personnel and facility users in the facility; a first wireless transmitter carried by the medical professional and configured to transmit first identification information that can identify the medical professional; a second wireless transmitter held by the facility user and configured to transmit second identification information that can identify the facility user; an information processing device that performs processing to estimate the behavior of the medical worker in an area outside the predetermined area where no detection device is installed, based on the detection information acquired by the detection device installed at a boundary point of the predetermined area of the facility; The information processing device includes: a presence identification unit that identifies the medical staff or the facility users present at the border point based on the detection information acquired by the detection device; a behavior estimation unit that estimates the behavior of the one medical worker outside the specified area based on a combination of first information indicating whether the facility user has been identified by the present person identification unit within a specified time lag when the one medical worker has been identified by the present person identification unit, and second information indicating whether the facility user has been identified by the present person identification unit within a specified time lag when the one medical worker has been identified again by the present person identification unit thereafter; the detection device is configured with a wireless receiver that receives the first identification information and the second identification information as the detection information, and a plurality of the wireless receivers are installed including at a boundary point of the predetermined area and at other points; the presence identification unit of the information processing device identifies the medical worker or the facility user present at the border point based on the first identification information and the second identification information received by the wireless receiver; The presence identification unit identifies the medical worker each time the first identification information is received by the multiple wireless receivers, and when the one medical worker is identified at the border point, further identifies whether the one medical worker is moving from the inside to the outside of the specified area or from the outside to the inside based on the identification order until the one medical worker is identified at the border point; The behavior estimation unit estimates the behavior of the one medical worker outside the specified area based on a combination of first information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker who is attempting to move from inside to outside the specified area is identified by the present person identification unit, and second information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker who is attempting to move from outside to inside the specified area is subsequently identified by the present person identification unit. A behavior estimation system characterized by:
2. the presence identification unit identifies the facility user each time the second identification information is received by the plurality of wireless receivers, and when the facility user is identified at the border point, further identifies whether the facility user is attempting to move from the inside to the outside of the specified area or from the outside to the inside, based on the order of identification until the facility user is identified at the border point; The behavior estimation unit estimates the behavior of the one medical worker outside the specified area based on a combination of first information indicating whether or not the facility user attempting to move from inside to outside of the specified area has been identified by the present person identification unit within a predetermined time difference when the one medical worker attempting to move from inside to outside of the specified area is identified by the present person identification unit, and second information indicating whether or not the facility user attempting to move from outside to inside of the specified area has been identified by the present person identification unit within a predetermined time difference when the one medical worker attempting to move from outside to inside of the specified area is subsequently identified by the present person identification unit. The behavior estimation system according to claim 1 .
3. 3. The behavior estimation system according to claim 1, wherein the behavior estimation unit estimates a transportation behavior of the facility user by the medical staff.
4. A camera as a detection device that acquires detection information used to determine the presence of medical staff and facility users in the facility; an information processing device that performs processing to estimate the behavior of the medical worker in an area outside the predetermined area where no detection device is installed, based on the detection information acquired by the detection device installed at a boundary point of the predetermined area of the facility; The information processing device includes: a presence identification unit that identifies the medical worker or the facility user present at the border point based on the image captured by the camera, and also identifies whether the medical worker is attempting to move from inside to outside the specified area or from outside to inside; and a behavior estimation unit that estimates the behavior of the one medical worker outside the specified area based on a combination of first information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker who is moving from inside to outside the specified area is identified by the present person identification unit, and second information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker who is moving from outside to inside the specified area is subsequently identified by the present person identification unit. A behavior estimation system characterized by:
5. a presence identification unit that identifies the medical staff or facility users present at the border point based on detection information used to determine the presence of the medical staff or facility users at the border point, the detection information being acquired by a wireless receiver installed at the border point among wireless receivers that serve as detection devices installed at multiple points, including the border point of a predetermined area within the facility and other points; a behavior estimation unit that estimates the behavior of the one medical worker in an area outside the specified area where the wireless receiver is not installed, based on a combination of first information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker has been identified by the present person identification unit, and second information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker has been identified again by the present person identification unit thereafter, the presence identification unit identifies the medical worker or the facility user present at the border point based on first identification information capable of identifying the medical worker, which is transmitted from a first wireless transmitter held by the medical worker, and second identification information capable of identifying the facility user, which is transmitted from a second wireless transmitter held by the facility user, and the first identification information and the second identification information received by the wireless receiver as the detection information; The presence identification unit identifies the medical worker each time the first identification information is received by the multiple wireless receivers, and when the one medical worker is identified at the border point, further identifies whether the one medical worker is moving from the inside to the outside of the specified area or from the outside to the inside based on the identification order until the one medical worker is identified at the border point; The behavior estimation unit estimates the behavior of the one medical worker outside the specified area based on a combination of first information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker who is attempting to move from inside to outside the specified area is identified by the present person identification unit, and second information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker who is attempting to move from outside to inside the specified area is subsequently identified by the present person identification unit. A behavior estimation device characterized by:
6. The presence identification unit identifies the facility user each time the second identification information is received by the plurality of wireless receivers, and when the facility user is identified at the border point, further identifies whether the facility user is attempting to move from the inside to the outside of the specified area or from the outside to the inside based on the specific order in which the facility user was identified at the border point, The behavior estimation unit estimates the behavior of the one medical worker outside the specified area based on a combination of first information indicating whether or not the facility user attempting to move from inside to outside of the specified area has been identified by the present person identification unit within a predetermined time difference when the one medical worker attempting to move from inside to outside of the specified area is identified by the present person identification unit, and second information indicating whether or not the facility user attempting to move from outside to inside of the specified area has been identified by the present person identification unit within a predetermined time difference when the one medical worker attempting to move from outside to inside of the specified area is subsequently identified by the present person identification unit. The behavior inference device according to claim 5 .
7. A presence identification unit that identifies medical personnel or facility users present at the boundary point of a specified area within the facility based on an image acquired by a camera serving as a detection device installed at the boundary point, and determines whether the medical personnel are attempting to move from the inside to the outside of the specified area or from the outside to the inside; and a behavior estimation unit that estimates the behavior of the one medical worker outside the specified area based on a combination of first information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker who is moving from inside to outside the specified area is identified by the present person identification unit, and second information indicating whether the facility user has been identified by the present person identification unit within a predetermined time difference when the one medical worker who is moving from outside to inside the specified area is subsequently identified by the present person identification unit. A behavior estimation device characterized by:
Citation Information
Patent Citations
Flow line / stagnation analyzing system
JP2014215684A
Monitoring device, detection method and program
JP2018055460A
Article locating and tracking apparatus and method
US20070247316A1