JP4770654B2 - Vehicle position management system and method - Google Patents

Description

  The present invention relates to a system and method for managing position information of a vehicle that has entered a parking lot.

  For example, when it is desired to present the parking position of a vehicle parked in a parking lot of a large store to a user, it is necessary to grasp the parking position of the vehicle parked in the parking lot.

  For example, in Patent Document 1, a roadside device that transmits a parking position of a vehicle to an on-vehicle device of the vehicle is installed near the entrance of the parking lot using DSRC communication used in the ETC system, and is provided from the roadside device. The system which a user checks the parking position of the own vehicle using an IC card is disclosed by having an in-vehicle device write the parked position on an IC card.

Moreover, in patent document 2, a user writes a parking position of a user's vehicle into the IC card issued with the issuing machine provided in the entrance of a parking lot with the terminal device provided in the parking lot, and a user is an IC card. The system which checks the parking position of the own vehicle using is disclosed.
JP 2001-60300 A JP 2002-216297 A

  However, in the invention disclosed in Patent Document 1, there is a problem that a vehicle using the system requires an in-vehicle device and a user of the vehicle without the on-vehicle device cannot use the system. In the invention disclosed in No. 2, it is necessary to install a terminal device for each divided area of the parking lot, and there is a problem that the system becomes large.

  Therefore, an object of the present invention is to provide a vehicle position management system and method that do not require dedicated equipment such as an on-vehicle device in a user's vehicle and that can further simplify the system.

  1st invention which solves the subject mentioned above is a vehicle position management system which manages the positional information on the vehicle parked in the parking lot, and is provided on the floor of the parking lot so as to indicate the positional information in the parking lot. A plurality of markers, a monitoring camera that captures the parking lot from the upper portion at regular intervals, a vehicle position management server that analyzes the image captured by the monitoring camera and identifies vehicle position information, and a vehicle that has entered the vehicle Each of the vehicles corresponding to the vehicle ID is detected by detecting the marker whose shape cannot be normally recognized. Position information management means having a video analysis unit for specifying position information in the parking lot, and a position information database for storing position information of each vehicle corresponding to the vehicle ID Characterized in that it comprises a.

  Furthermore, the second invention is the vehicle position management system according to the first invention, and includes a terminal device that provides vehicle position information to a user, and the warehousing gate stores the vehicle ID. The terminal device issues a means for reading the vehicle ID stored in the parking ticket possessed by the user, and the vehicle position management information on the vehicle specified by the read vehicle ID. Inquiry to the server, means for transmitting the vehicle position information received from the vehicle position management server to the user, the position information management means of the vehicle position management server, the position of the vehicle ID transmitted from the terminal device Information is searched from the position information database, and the searched position information is transmitted to the terminal device.

  Furthermore, the third invention is the vehicle position management system according to the second invention, wherein the vehicle position management system includes a delivery gate that is used when a vehicle that has entered the parking lot exits, and the delivery gate Reads the vehicle ID stored in the parking ticket of the vehicle to be delivered, transmits the read vehicle ID to the vehicle location management server, and the location information management means of the vehicle location management server includes the delivery gate. The position information of the vehicle ID transmitted from is deleted from the position information database.

  Furthermore, the fourth invention is a parking position management method for managing position information of a vehicle parked in the parking lot, the parking position management method including a vehicle warehousing step executed when the vehicle enters, and a predetermined time. Vehicle position management step executed for each vehicle, and in the vehicle warehousing step, a vehicle ID for identifying the arriving vehicle is given to the vehicle arriving in the parking lot, and in the vehicle location management step, Photographing a plurality of markers provided on the floor of a parking lot so as to indicate position information using a surveillance camera, and detecting the marker whose shape cannot be recognized normally from the images photographed by the surveillance camera Then, the position information in the parking lot where each vehicle corresponding to the vehicle ID exists is specified, and the specified position information of the vehicle is stored in association with the vehicle ID.

  Further, the fifth invention is the parking position management method according to the fourth invention, wherein the vehicle position management method includes a position information providing step executed when the user confirms the position information of the own vehicle. In the vehicle warehousing step, a parking ticket storing the vehicle ID is issued to a user of the vehicle that has entered the parking lot. In the position information providing step, the vehicle stored in the parking ticket possessed by the user. An ID is read, and vehicle position information specified by the read vehicle ID is transmitted to a user.

  Furthermore, the sixth invention is the vehicle location management method according to the fifth invention, wherein the vehicle location management system includes a vehicle delivery step that is executed when a vehicle that has entered the parking lot exits, In the vehicle delivery process, the vehicle ID stored in the parking ticket of the vehicle to be delivered is read, and the vehicle position information corresponding to the read vehicle ID is erased.

  According to the present invention described above, since the position information of the user's vehicle is specified by the image captured by the monitoring camera provided in the parking lot, the user's vehicle requires special equipment such as an on-vehicle device. Disappear. Furthermore, in the parking lot, it is only necessary to install a marker painted on the floor surface and a monitoring camera for photographing the floor surface of the parking lot, and the system can be simplified.

  Further, by storing the vehicle ID in the parking ticket possessed by the user, it becomes possible to provide vehicle position information using the parking ticket. Furthermore, when the vehicle leaves the vehicle, the vehicle ID is read from the parking ticket, so that the position information of the vehicle that has left the vehicle can be deleted.

  From here, the vehicle position management system according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram for explaining a vehicle position management system 1.

  As shown in FIG. 1, the vehicle position management system 1 according to the present invention includes a storage gate 40 provided at the entrance of the parking lot 10, a parking ticket 50 issued at the storage gate 40, and positional information of the vehicle 60. It is comprised at least from the terminal device 30 utilized when confirming, the vehicle position management server 20 which manages the positional information on the vehicle 60 which entered the parking lot 10, and the exit gate 41 provided in the entrance of the parking lot 10. Yes.

  A monitoring camera 21 that captures the floor surface of the parking lot 10 is connected to the vehicle location management server 20, and the vehicle location management server 20 analyzes the video captured by the monitoring camera 21 and stores the vehicle 60 that has entered the parking lot 10. Identify and manage location information.

  A plurality of markers 11 indicating the position information in the parking lot 10 are painted on the floor surface of the parking lot 10. When the surveillance camera 21 captures the floor surface of the parking lot 10 from above, the marker 11 is not captured in a complete shape at the location where the vehicle 60 is present, and therefore the marker 11 that cannot recognize the shape normally is detected. By doing so, the position information of the vehicle 60 can be specified.

  The parking ticket 50 stores a vehicle ID assigned to identify each vehicle 60 that has entered the parking lot 10. The parking ticket 50 in which the vehicle ID is stored may be a paper medium or a card medium represented by a magnetic card or an IC card. For example, if the parking ticket 50 is a paper medium, the vehicle ID is stored in the parking ticket 50 by a punch hole or a barcode, and if the parking ticket 50 is an IC card, the vehicle ID is stored in the memory of the IC chip.

  The entry gate 40 provided at the entrance of the parking lot 10 issues a parking ticket 50 to the user of the vehicle 60 entering the parking lot 10. When the entry gate 40 issues the parking ticket 50, the issued parking ticket 50 is issued. Is transmitted to the vehicle position management server 20.

  The vehicle position management server 20 analyzes the image of the parking lot 10 taken by the monitoring camera 21, identifies the position information of the vehicle 60 existing in the parking lot 10, and uses the vehicle ID to obtain the position information of the vehicle 60. Remember / retain. When the vehicle 60 leaves, the exit gate 41 reads the vehicle ID from the parking ticket 50 possessed by the user of the exiting vehicle 60, and the vehicle location management server 20 erases the location information of the exiting vehicle 60. .

  When the user confirms the position information of his / her vehicle 60, the user inserts the parking ticket 50 into the terminal device 30. The terminal device 30 includes means for reading the vehicle ID stored in the parking ticket 50, inquires the vehicle position management server 20 about the position information of the vehicle 60 corresponding to the vehicle ID, and the position information transmitted from the vehicle position management server 20. Is transmitted to the user by display or voice.

  FIG. 2 is a block diagram of the vehicle position management server 20 included in the vehicle position management system 1. As shown in FIG. 2, the vehicle position management server 20 includes at least a position information management unit 200 having a video analysis unit 201 that identifies position information of the vehicle 60 by analyzing a video of the monitoring camera 21, and a parking lot. And a position information database 210 that stores position information of the vehicle 60 in association with the vehicle ID of the vehicle 60 that has entered the vehicle 10.

  The location information management means 200 of the vehicle location management server 20 is realized by a computer program for causing the CPU of the vehicle location management server 20 to function as the location information management means 200, and the location information database 210 is an information storage device such as a hard disk. Realized.

  From here, the content which the image | video analysis part 201 which the position information management means 200 of the vehicle position management server 20 has specifies the position information of the vehicle 60 which entered the parking lot 10 from the image | video which the monitoring camera 21 imaged in detail is demonstrated. explain.

  As described above, a plurality of markers 11 indicating the position information in the parking lot 10 are painted on the floor surface of the parking lot 10. The marker 11 on the floor need not hold information such as a barcode, and may be painted on the floor of the parking lot 10 with paint or the like. In addition, in FIG. 1, the white circle in the parking lot 10 is the marker 11, and the code | symbol is provided only one.

  The color and shape of the marker 11 are not limited. For example, the color of the marker 11 may be white and the shape may be circular. The size of the marker 11 needs to be at least smaller than the vehicle so that the vehicle 60 and the marker 11 can be identified. For example, when the shape of the marker 11 is a circle, the diameter of the circle may be “0.5 m”.

  The video analysis unit 201 of the location information management unit 200 associates the location information in the parking lot 10 with the marker 11 in the video captured by the monitoring camera 21 in order to identify the location information of the vehicle 60 in the parking lot 10. Stored map information is stored in advance.

  When the video analysis unit 201 of the positional information management unit 200 specifies the positional information of the vehicle 60 in the parking lot 10, the shape cannot be recognized normally from the markers 11 included in the video captured by the monitoring camera 21. By detecting the marker 11 and referring to the map information, the position information of the marker 11 detected as the position information of the vehicle 60 is acquired.

  FIG. 3 is a diagram for explaining map information. In the map information of FIG. 3, the parking lot 10 is provided with an X axis and a Y axis, and one piece of position information in the parking lot 10 is indicated by coordinates (x, y). One marker 11 is provided. In FIG. 3, the position information of the entrance of the parking lot 10 is coordinates (0, 0), and the vehicle 60 always enters the parking lot 10 from these coordinates.

  The surveillance camera 21 captures an image in the parking lot 10 at a certain time interval (for example, every second), transmits the captured image to the vehicle position management server 20, and the image analysis unit 201 of the position information management unit 200 Each time a video is transmitted from the monitoring camera 21, the position of the vehicle 60 is acquired using the map information described above.

  FIGS. 4 to 8 are diagrams illustrating an operation in which the position information management unit 200 of the vehicle position management server 20 specifies the position information of a single vehicle 60 that has been received. The video analysis unit 201 of the position information management unit 200 specifies the position of the vehicle 60 by specifying the position of the marker 11 that cannot be normally read in the video captured by the monitoring camera 21.

  FIG. 4 is an image when the vehicle 60 is received. Since the marker 11 at the coordinates (0, 0) cannot be recognized normally, the image analysis unit 201 determines that the position of the received vehicle 60 is the coordinates (0, 0). To do. Then, the video analysis unit 201 associates the specified position (here, coordinates (0, 0)) with the vehicle ID (here, 01) transmitted from the entry gate 40 when the vehicle 60 enters. Store in the location information database 210.

  FIG. 5 is an image transmitted from the monitoring camera 21 after FIG. 4, and is an image after a certain time interval from FIG. In this video, since the marker 11 at the coordinates (1, 0) cannot be read normally, the video analysis unit 201 determines that the position of the vehicle 60 whose vehicle ID is “01” is the coordinates (1, 0). The position information stored in the position information database 210 is updated.

  FIG. 6 is an image transmitted from the monitoring camera 21 after FIG. 5, and is an image after a certain time interval from FIG. In this video, since the marker 11 at coordinates (2, 0) cannot be read normally, the video analysis unit 201 determines that the position of the vehicle 60 whose vehicle ID is “01” is the coordinates (2, 0). The position information stored in the position information database 210 is updated.

  FIG. 7 is an image transmitted from the monitoring camera 21 after FIG. 6, and is an image after a certain time interval from FIG. In this video, since the marker 11 of coordinates (1, 0) and coordinates (2, 0) cannot be read normally, the video analysis unit 201 indicates that the position of the vehicle 60 whose vehicle ID is “01” is the coordinate (1 .5, 0) and the position information stored in the position information database 210 is updated.

  8 is an image transmitted from the monitoring camera 21 after FIG. 7, and is an image after a certain time interval from FIG. In this video, since the marker 11 at the coordinates (1, 1) cannot be read normally, the video analysis unit 201 determines that the position of the vehicle 60 whose vehicle ID is “01” is the coordinates (1, 1). The position information stored in the position information database 210 is updated. Since the coordinates (1, 1) are parking spaces, the vehicle 60 at the coordinates (1, 1) does not move.

  So far, the example in which there is only one vehicle 60 in the parking lot 10 has been described, but there is no problem even if there are a plurality of vehicles 60 in the parking lot 10. If the time interval at which the monitoring camera 21 captures an image is set to be short to some extent (for example, 0.5 seconds), the distance that the vehicle 60 can move within this time interval is limited (for example, ± 1 for both the X and Y axes). Therefore, the vehicle 60 within a specific range may be searched with reference to the previous position of the vehicle 60.

  FIG. 9 is a diagram illustrating an operation of specifying the position of the vehicle 60 when there are a plurality (two) of vehicles 60 in the parking lot 10. For example, in FIG. 9, a vehicle 60 (vehicle ID is 01) whose position information is coordinates (3, 0) is centered on coordinates (3, 0) in the next image, and both the X axis and Y axis are ± 1. In the next image, the vehicle ID is “01” for the vehicle 60 that is centered on the coordinates (3, 0) and that has the coordinates of ± 1 on both the X and Y axes. The vehicle 60 may be determined.

  In addition, in FIG. 9, the vehicle 60 (vehicle ID is 02) whose position information is coordinates (2, 3) is centered on coordinates (2, 3) in the next video, and both the X axis and Y axis are ± 1. In the next video, the vehicle ID is “02” for the vehicle 60 having the coordinates (2, 3) as the center and the X axis and the Y axis at the coordinates of ± 1. The vehicle 60 may be determined.

  From here, a series of operation | movement of the vehicle position management system 1 demonstrated so far is demonstrated, referring a figure. FIG. 10 is a diagram for explaining the operation of the vehicle position management system 1 when the vehicle 60 enters, and FIG. 11 shows the operation for specifying the position information of the vehicle 60 that has entered the parking lot 10 by the vehicle position management server 20. FIG. 12 is a diagram for explaining the operation of providing the user with the position information of the vehicle 60, and FIG. 13 is a diagram for explaining the operation of the vehicle position management system 1 when the vehicle 60 leaves. .

  First, the operation of the vehicle position management system 1 when entering the parking lot 10 will be described with reference to FIG. When entering the parking lot 10, the vehicle warehousing process according to the present invention is executed. The first step S10 of this operation is a step in which the vehicle 60 enters the parking lot 10. In this step, the warehousing gate 40 detects that the vehicle 60 enters the parking lot 10 by pressing a button for issuing the parking ticket 50 provided in the warehousing gate 40.

  The next step S11 is a step in which the warehousing gate 40 issues the parking ticket 50. In this step, the warehousing gate 40 issues a parking ticket 50, and the parking ticket 50 stores a vehicle ID that is information for specifying the arriving vehicle 60. Furthermore, when the parking gate 40 issues the parking ticket 50, it transmits the vehicle ID stored in the issued parking ticket 50 to the vehicle position management server 20.

  The next step S12 is a step in which the vehicle position management server 20 registers the vehicle 60 that has entered the parking lot 10. In this step, the vehicle location management server 20 registers the vehicle ID transmitted from the warehousing gate 40 in step S11 in the location information database 210. Note that the position information of the newly registered vehicle 60 is position information of the warehousing gate 40 (for example, coordinates (0, 0) in FIG. 3).

  With this step S12, the operation when entering the parking lot 10 ends.

  Next, an operation for managing the position information of the vehicle 60 that has entered the parking lot 10 by the vehicle position management server 20 will be described with reference to FIG. When the vehicle position management server 20 manages the position information of the vehicle 60 that has entered the parking lot 10, the vehicle position management process according to the present invention is performed. Note that the operation shown in FIG. 11 is an operation that is repeatedly executed every time the monitoring camera 21 captures an image in the parking lot 10 at regular intervals.

  The first step S20 of this operation is a step in which the surveillance camera 21 captures an image in the parking lot 10. In this step, when the surveillance camera 21 captures an image in the parking lot 10, it transmits the captured image to the vehicle position management server 20.

  When shooting a video in the parking lot 10, if one monitoring camera 21 cannot capture the entire parking lot 10, a plurality of monitoring cameras 21 are installed, and the video captured by each monitoring camera 21. By combining these, it is possible to obtain an image of the entire parking lot 10.

  The next step S21 is a step in which the video analysis unit 201 of the location information management means 200 of the vehicle location management server 20 analyzes the video taken in the step and specifies the location information of each vehicle 60 that has entered the parking lot 10. It is. At this step, the vehicle 60 whose position is identified by the video analysis unit 201 of the position information management unit 200 is the operation of identifying the position information of the vehicle 60 in all the vehicles 60 registered in the position information database 210. Since it has already been described above, the description is omitted here.

  In the next step S22, the video analysis unit of the vehicle position management server 20 updates the contents of the position information database 210. In this step, the video analysis unit of the vehicle location management server 20 updates the contents of the location information database 210 based on the location specified in the step.

  With this step S <b> 22, the operation of managing the position information of the vehicle 60 that has entered the parking lot 10 by the vehicle position management server 20 ends.

  Next, with reference to FIG. 12, an operation for providing the position information of the vehicle 60 to the user will be described. When the position information of the vehicle 60 is provided to the user, the position information providing step according to the present invention is executed. The first step S30 of this operation is a step in which the parking ticket 50 is inserted into the terminal device 30.

  Next step S31 is a step of reading the vehicle ID stored in the parking ticket 50 in which the terminal device 30 is inserted. For example, when the vehicle ID is stored in the parking ticket 50 with a barcode, the terminal device 30 reads the vehicle ID with a barcode reader, and when the vehicle ID is magnetically stored in the parking ticket 50, The terminal device 30 reads the vehicle ID with a magnetic reader. Note that when the terminal device 30 reads the vehicle ID from the parking ticket 50, the terminal device 30 transmits the read vehicle ID to the vehicle position management server 20.

  The next step S32 is a step in which the position information management means 200 of the vehicle position management server 20 searches for the position information of the vehicle 60 specified by the vehicle ID transmitted in step S31. In this step, the position information management means 200 of the vehicle position management server 20 searches the position information database 210, searches for the position information of the vehicle 60 specified by the vehicle ID transmitted in step S31, and the searched position information. Is transmitted to the terminal device 30.

  The next step S33 is a step in which the terminal device 30 displays the position information of the vehicle 60. In this step, the terminal device 30 displays the position information of the vehicle 60 transmitted from the vehicle position management server 20 in step S31 on the display, and transmits the position information of the vehicle 60 to the user.

  With this step S33, the operation of providing the position information of the vehicle 60 to the user ends.

  Next, the operation when the vehicle 60 leaves will be described with reference to FIG. When the vehicle 60 leaves, the vehicle leaving step according to the present invention is executed. The first step of this operation is step S40 in which the parking ticket 50 is inserted into the exit gate 41.

  The next step S41 is a step of reading the vehicle ID stored in the parking ticket 50 in which the exit gate 41 is inserted. For example, when the vehicle ID is stored in the parking ticket 50 as a barcode, the exit gate 41 reads the vehicle ID with a barcode reader, and when the vehicle ID is stored in the parking ticket 50 as a magnetism, The exit gate 41 reads the vehicle ID with a magnetic reader. In addition, when the exit gate 41 reads the vehicle ID from the parking ticket 50, the exit gate 41 transmits the read vehicle ID to the vehicle position management server 20.

  In the next step S42, the position information management unit 200 of the vehicle position management server 20 deletes the position information of the vehicle 60 specified by the vehicle ID transmitted in step S41 from the position information database 210.

  With this step S42, the operation when the vehicle 60 leaves is completed.

The figure for demonstrating a vehicle position management system. The block diagram of a vehicle location management server. The figure explaining map information. FIG. 1 is a first diagram illustrating an operation in which position information management means specifies vehicle position information. FIG. 2 is a second diagram illustrating an operation in which position information management means specifies vehicle position information. FIG. 3 is a diagram illustrating an operation in which position information management means specifies position information of a vehicle. FIG. 4 is a diagram illustrating an operation in which position information management means specifies position information of a vehicle. FIG. 5 is a diagram for explaining an operation in which position information management means specifies position information of a vehicle. The figure explaining the operation | movement which pinpoints the positional information on the several vehicle which exists in the parking lot. The figure explaining operation | movement of a system when a vehicle receives goods. The figure explaining the operation | movement which a vehicle position management server specifies the positional information on a vehicle. The figure explaining operation | movement of a system when providing the positional information on a vehicle to a user. The figure explaining operation | movement of a system when both go out.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle location management system 10 Parking lot, 11 Marker 20 Vehicle location management server 21 Monitoring camera 200 Location information management means, 201 Image | video analysis part, 210 Location information database 30 Terminal device 40 Entry gate, 41 Exit gate 50 Parking lot 60 Vehicle

Claims (6)

  A vehicle location management system for managing location information of vehicles parked in a parking lot, and a plurality of markers provided on the floor of the parking lot and a fixed parking lot from the top so as to indicate the location information in the parking lot A surveillance camera that shoots every time, a vehicle location management server that analyzes the video taken by the surveillance camera and identifies vehicle position information, and a vehicle ID that identifies the vehicle that has entered the vehicle are transmitted to the vehicle location management server A video analysis unit that identifies position information in a parking lot where each vehicle corresponding to the vehicle ID exists by detecting the marker whose shape cannot be recognized normally. And a position information database for storing position information of each vehicle corresponding to the vehicle ID. System.   The vehicle location management system according to claim 1, comprising a terminal device that provides vehicle location information to a user, wherein the warehousing gate issues a parking ticket storing the vehicle ID to the user, The terminal device reads the vehicle ID stored in the parking ticket possessed by the user, inquires the vehicle location management server for vehicle location information specified by the read vehicle ID, and transmits the vehicle location management server. Means for transmitting the position information of the vehicle received from the user to the user, wherein the position information management means of the vehicle position management server searches the position information database for the position information of the vehicle ID transmitted from the terminal device. A vehicle position management system, wherein the searched position information is transmitted to the terminal device.   3. The vehicle location management system according to claim 2, wherein the vehicle location management system includes a delivery gate that is used when a vehicle that has entered the parking lot exits, wherein the exit gate is the parking ticket of the vehicle to be delivered. The vehicle ID stored in the vehicle ID is read, the read vehicle ID is transmitted to the vehicle location management server, and the location information management means of the vehicle location management server receives the location of the vehicle ID transmitted from the exit gate. A vehicle position management system, wherein information is deleted from the position information database.   A parking position management method for managing position information of vehicles parked in a parking lot, wherein the parking position management method includes a vehicle warehousing process that is executed when a vehicle enters and a vehicle position management that is executed at regular intervals. In the vehicle warehousing step, a vehicle ID for identifying the warehousing vehicle is given to the vehicle arriving in the parking lot, and in the vehicle position management step, the parking lot is shown so as to indicate the position information in the parking lot. A plurality of markers provided on the floor surface of the vehicle is photographed using a surveillance camera, and the marker whose shape cannot be recognized normally is detected from the images photographed by the surveillance camera, thereby corresponding to the vehicle ID. A vehicle position management method characterized by identifying position information in a parking lot where each vehicle exists, and storing the identified position information of the vehicle in association with the vehicle ID.   5. The parking position management method according to claim 4, wherein the vehicle position management method includes a position information providing step that is executed when a user confirms the position information of the own vehicle. A parking ticket storing the vehicle ID is issued to the user of the vehicle entering the parking lot, and in the position information providing step, the vehicle ID stored in the parking ticket owned by the user is read and the vehicle ID read is read. A vehicle position management method characterized by transmitting to a user position information of a vehicle specified in (1). The vehicle position management method according to claim 5, wherein the vehicle position management method includes a vehicle unloading step that is executed when a vehicle that has entered the parking lot unloads, and in the vehicle unloading step, the vehicle unloading step A vehicle position management method comprising: reading the vehicle ID stored in the parking ticket; and erasing vehicle position information corresponding to the read vehicle ID.

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