JP2019021187A - Video storage and delivery system - Google Patents

Abstract

To provide a video storage and delivery system capable of quickly acquiring image information around an accident point and effectively utilizing it.SOLUTION: In a video storage and delivery system, when mobile terminals 102a to 102d which have received information of accident occurrence spots such as accident occurrence places 104a to 104b and radial distance information 105a to 105b from the accident occurrence point are entered within the radial distance information from the accident occurrence point, the mobile terminals automatically transmit captured images thereof to a video storage and delivery server 100 as a live image; and the video storage and delivery server sequentially externally distributes the stored video to other mobile terminals 102a to 102d located within a specific range so as to cooperate with each other and to make effective use of the information.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a video storage / distribution system linked to location information, and more particularly to a video storage / distribution technology using location information of a mobile terminal.

  As a background art of a technique in which a user freely selects a moving body such as a vehicle that travels in the vicinity of a desired location and acquires a captured image of an in-vehicle camera and other information, there is, for example, Patent Document 1. In this patent document, “a user selects a probe car (target probe car) 100 for which image transmission is desired from the list 188, and presses a line in the list 188 corresponding to the selected target probe car 100, An image captured by the vehicle-mounted camera 112 of the target probe vehicle 100 is received by the terminal 106 via the server 104. "

JP 2014-164316 A

  In the above-described prior art, a user selects a probe vehicle equipped with an in-vehicle camera in the vicinity of a point where an image is desired to be acquired on a map and acquires a peripheral image. There is a need. In addition, it does not consider recording and saving all the videos in the vicinity of the point where the user wants to acquire videos and distributing them externally. For this reason, there is a possibility that it may not be possible to meet the required information request when information linkage is essential when an incident such as an accident or fire occurs.

  Accordingly, an object of the present invention is to solve the above-described problems and provide a video storage / delivery system that can utilize a video shot from a mobile terminal in the vicinity of an incident occurrence point in cooperation with the incident.

  In order to achieve the above object, in the present invention, there is provided a video storage information distribution system linked to position information, an information terminal capable of shooting a video, a video shot by the information terminal received and stored, and a video. The information terminal transmits the captured video to the stored video server when the information terminal enters within a predetermined distance from the incident occurrence point, and the stored video server stores the video transmitted by the information terminal. Provided is a video storage / delivery system that distributes stored video to other designated information terminals.

  According to the present invention, it is possible to quickly obtain video information around an incident occurrence point and contribute to early incident resolution.

1 is a diagram illustrating a configuration example of a video storage / delivery system according to Embodiment 1. FIG. 1 is a diagram illustrating a configuration example of a video accumulation / delivery server according to Embodiment 1. FIG. It is a figure which shows the example of 1 structure of the mobile terminal which image | photographs the image | video which concerns on Example 1. FIG. It is a figure which shows an example of the generation | occurrence | production location information table which concerns on Example 1. FIG. It is a figure which shows an example of the mobile terminal management information table which concerns on Example 1. FIG. It is a figure which shows an example of the designation | designated delivery destination information table which concerns on Example 1. FIG. It is a figure which shows an example of the present delivery information table which concerns on Example 1. FIG. FIG. 6 is a diagram illustrating an example of a flowchart of video transmission service processing according to the first embodiment. It is a figure which shows an example of the flowchart of the positional information applicable determination process which concerns on Example 1. FIG. It is a figure which shows an example of the flowchart of the image | video accumulation | storage delivery process which concerns on Example 1. FIG.

  Hereinafter, embodiments of the present invention will be sequentially described with reference to the drawings. In addition, in the several drawings, the same thing attached | subjected the same number. In this specification, an incident means all events represented by accidents and fires, and the incident occurrence point includes the accident occurrence place.

  Embodiment 1 is an embodiment of a video storage / delivery system of a video storage / distribution system using position information. That is, a video storage information distribution system linked to position information, comprising an information terminal capable of capturing video, and a storage video server capable of receiving and storing video captured by the information terminal and distributing video, When the information terminal enters the predetermined distance from the incident occurrence point, the information terminal transmits the captured video to the storage video server, and the storage video server stores the video transmitted by the information terminal and designates the stored video as another information terminal It is an Example of the video | video accumulation | storage delivery system delivered to.

  FIG. 1 shows an example of the overall configuration of the video storage / delivery system of the first embodiment. In the figure, mobile terminals 102a to 102c are mobile bodies represented by police police cars, fire trucks, etc., and are terminals each having a photographing function and a communication function. The video storage / delivery server 100 is a server capable of storing video and distributing the stored video. The video storage / delivery server 100 receives from the management terminal 101 accident occurrence locations 104a and 104b that are incident occurrence points such as accidents and disasters, radius distance information 105a and 105b from the event occurrence points, and video display that is a video distribution destination. Information on the devices 103a and 103b is received. Then, a video request is transmitted from the designated accident occurrence location 104a to the mobile terminal 102a within the received radial distance information 105a. The management terminal 101 can appropriately set and change the radial distance information 105a and 105b, and can set different values for different occurrence points.

  Receiving the video request, the mobile terminal 102a starts transmitting video to the video storage / delivery server 100. Upon receiving the video from the mobile terminal 102a, the video storage / delivery server 100 automatically starts storing video in a video data storage unit such as a storage device in the server, and the received / stored video is sent to the video display devices 103a and 103b. Can be delivered. The video storage / delivery server 100 is a server having a normal computer configuration, and includes a central processing unit (CPU) that executes programs, a storage unit that stores various data, an input / output unit that performs various exchanges with the outside, and the like. Consists of

  FIG. 2 is a diagram illustrating a configuration example of the video storage / delivery server of the present embodiment. In the figure, the video storage / delivery server 100 includes an occurrence point information table 201, a mobile terminal management information table 202, a designated distribution destination information table 203, a current distribution information table 204, and a video data storage unit 208 provided in a predetermined area of the storage unit. Is provided. Further, the video accumulation / delivery server 100 includes an occurrence point information setting / releasing unit 205, a position information corresponding determination unit 206, and a video accumulation / delivery unit 207, which are realized by executing a program of the CPU. Furthermore, a communication unit 209 for communicating data with an external device is provided as one of the input / output units.

  The occurrence point information table 201 is a table that stores latitude, longitude, radius distance information, and necessity of video accumulation specified by the management terminal 101.

  The mobile terminal management information table 202 is a table that holds information indicating whether or not the video of the corresponding mobile terminal is currently stored.

  The designated delivery destination information table 203 is a table that holds to which device the video of the mobile terminal that falls within the specific range of the occurrence point designated by the management terminal is delivered. This specific range can be set by radius distance information from the incident occurrence point.

  The current distribution information table 204 is a table that holds an IP address of a distribution destination apparatus that currently distributes video and a mobile terminal ID that indicates the video that is being distributed.

  The occurrence point information setting / releasing unit 205 receives the latitude, longitude, radius distance information, and necessity of video accumulation of the occurrence point of an accident, disaster, etc., transmitted from the management terminal 101, and stores them in the occurrence point information table 201. sign up. Also, it receives video distribution destination device information from a mobile terminal that falls within the specified range of the designated event occurrence point, transmitted from the management terminal 101 together with the event occurrence point information, and registers it in the occurrence point information table 201 The generated point ID and the IP address of the distribution destination device are registered in the designated distribution destination information table 203. In addition, the occurrence point information setting / cancellation unit 205 receives an occurrence point information release instruction transmitted from the management terminal by designating the occurrence point ID, and sends information on the corresponding occurrence point ID to the occurrence point information table 201 and the specified distribution destination. Delete from the information table 203.

  Whether the location information match determination unit 206 is within the radial distance information of the designated event occurrence point from the current location information received from the mobile terminal 102 and the occurrence point information held in the occurrence point information table 201. The video request information indicating whether video transmission is necessary is transmitted to the mobile terminal. Details will be described later.

  The video accumulation / delivery unit 207 receives the video transmitted from the mobile terminal 102a, and automatically accumulates the video data in the video data storage unit 208 based on the information registered in the occurrence point information table 201. In addition, the video is automatically distributed to the video display devices 103a and 103b, the mobile terminal, and the like based on the information registered in the designated distribution destination information table 203. Details will be described later.

  FIG. 3 is a diagram illustrating a configuration example of the mobile terminal 102 according to the present embodiment. The mobile terminal 102 includes a video transmission service unit 301, a position positioning unit 302, a video shooting unit 303, a communication unit 304 for communicating data with an external device, and a video display device 305. As will be described later, each of the mobile terminals 102a to 102d needs to display an image captured by another mobile terminal, and thus each of the mobile terminals 102a to 102d includes a video display device 305 therein. The mobile terminals 102a to 102d can also be configured by a personal computer (PC) having a computer configuration including a camera function, and a video processing service unit 301 and a position positioning unit 302 are executed by a central processing unit (CPU) that executes a program. And so on.

  The video transmission service unit 301 transmits the latitude / longitude calculated by the position positioning unit 302 to the video storage / delivery server 100 at a predetermined fixed interval, and video transmission is performed according to the video request information received from the video storage / delivery server 100. It is determined whether it is necessary, and if necessary, the video photographing unit 303 is instructed to start photographing, and the photographed video is transmitted to the video storage / delivery server 100. Details will be described later.

  The position positioning unit 302 calculates the latitude / longitude of the current position of the terminal itself using GPS or the like. The video photographing unit 303 has a built-in or external camera, photographs a video, and acquires video data.

  FIG. 4 shows a configuration example of the occurrence point information table 201 in the video storage / delivery server 100 of FIG. As shown in the figure, the occurrence point information table 201 accumulates contents corresponding to the occurrence point ID, latitude, longitude, radius distance information, and video accumulation necessity shown in the column.

  FIG. 5 shows a configuration example of the mobile terminal management information table 202 of the video storage / delivery server 100 in FIG. The mobile terminal management information table 202 stores contents corresponding to the mobile terminal ID and video storage state shown in the column.

  FIG. 6 is a configuration example of the designated delivery destination information table 203 of the video storage delivery server 100 in FIG. The designated delivery destination information table 203 stores contents corresponding to the occurrence point ID and delivery destination device IP address indicated in the column.

  FIG. 7 is a configuration example of the current distribution information table 204 of the video accumulation / delivery server 100 in FIG. The current distribution information table 204 stores contents corresponding to the distribution destination device IP address, the distribution destination device port number, and the mobile terminal ID shown in the column.

  FIG. 8 is an example of a flowchart for explaining the processing of the video transmission service unit 301 shown in FIG. 3 for each of the mobile terminals 102a to 102d in the video storage / delivery system of this embodiment. This processing flow starts when the video transmission service unit 301 is activated, such as when the mobile terminal 102 is activated.

  Step 801: The video transmission service unit 301 uses the position measurement unit 302 to acquire latitude and longitude that are current position information of the terminal itself.

  Step 802: The acquired location information and the mobile terminal ID of the terminal itself are transmitted to the video storage / delivery server 100.

  Step 803: The video transmission service unit 301 receives video request information from the video storage / delivery server 100 as a response to the transmitted current position information.

Step 804: It is confirmed whether video transmission is necessary.
Step 805: If there is a video request, it is confirmed whether the video is currently being shot.

  Step 806: When video is not shot, video shooting and transmission of video data to the video storage / delivery server 100 is started.

Step 807: If the video request information from the video storage / delivery server 100 is no video request, it is confirmed whether the video is currently being shot.
Step 808: If video shooting is being performed, video shooting and transmission of video data to the video storage / delivery server 100 are stopped.

  Step 810: If there is no service stop operation, the process is repeated from step 801 after a certain period of time. When a service stop operation is performed, it is determined whether video shooting and video data transmission are currently being performed.

  FIG. 9 is an example of a flowchart for explaining the processing of the position information corresponding determination unit 206 of the video storage / delivery server 100 of the video storage / delivery system of this embodiment. This process starts when the current position information is received from the mobile terminal 102.

Step 901: First, an occurrence point information list is acquired from the occurrence point information table 201.
Step 902: Hereinafter, it repeats as many times as the number of occurrence point information lists.

  Step 903: The latitude and longitude of the occurrence point information designated by the management terminal 101 and the distance of the current position received from the mobile terminal are calculated.

Step 904: The calculated distance between the event occurrence point and the mobile terminal is compared with the radial distance information of the occurrence point information to determine whether the mobile terminal is within the specified specific range of the event occurrence point. As a result of the determination, if it is within the specific range, the occurrence point ID of the occurrence point information is held.
If there is another occurrence point information, the process returns to step 902 and the process is performed again.

Step 905: After repeatedly performing the number of information in the occurrence point information list, it is determined whether the mobile terminal is within a specific range of the incident occurrence point.
Step 906: If the location information is within the specific range, the mobile terminal 102 is responded with a video request.

  Step 907: If there is no corresponding occurrence point information in step 904, the mobile terminal 102 is responded without a video request.

  Step 908: The mobile terminal ID received from the mobile terminal 102 and the list of occurrence point IDs held in step 904 are transmitted to the video storage / distribution unit 207, and the process ends.

  FIG. 10 is an example of a flowchart for explaining the video accumulation / delivery processing of the video accumulation / delivery server 100 of the video accumulation / delivery system of this embodiment. This process starts when the video storage / distribution unit 207 receives information from the position information corresponding determination unit 206.

  Step 1001: First, the occurrence point information table is retrieved from the occurrence point ID list received from the position information corresponding determination unit 206 to obtain the occurrence point information list.

  Step 1002: It is determined whether there is information that needs to be stored in the acquired location information list.

Step 1003: If there is information that needs to be stored, whether the video of the target mobile terminal is currently stored is confirmed based on the video storage status of the mobile terminal management information table 202.
Step 1004: If not accumulated, accumulation of the video received from the target mobile terminal is started, and the video accumulation state of the target mobile terminal management information in the mobile terminal management information table (202) is updated during accumulation.

Step 1005: If there is no information necessary to store the video, it is confirmed from the video storage state of the mobile terminal management information table (202) whether the video of the target mobile terminal is currently stored.
Step 1006: When accumulating, the accumulation of the video received from the target mobile terminal is stopped, and the video accumulation state of the target mobile terminal management information in the mobile terminal management information table (202) is being stopped. Update.

  Step 1007: Next, information that matches the list of occurrence point IDs received from the location information match determination unit 206 is acquired from the designated distribution destination information table (203). This is referred to as list A.

  Step 1008: Information that matches the mobile terminal ID received from the location information match determination unit 206 is acquired from the current distribution information table (204). This is called list B.

  Step 1009: Compare list A, which is a video distribution target device, with list B that is currently being distributed, and distribute video received from the mobile terminal to video display devices that are in list A but not in list B Start and register information in the current distribution information table (204).

  Step 1010: For video display devices that are in the list B but not in the list A, the distribution of the video received from the mobile terminal is stopped, and the information is deleted from the current distribution information table (204).

  As a result, the video storage / delivery server 100 according to the present embodiment can transmit the captured video of the information terminal within the specific range at the time of the incident to another information terminal in accordance with the instruction of the management terminal 101. Note that the specific range is determined based on the radial distance information set by the management terminal 101, but the specific range of the information terminal that receives the captured video is not the same as the specific range of the information terminal that transmits the captured video. Different ranges are possible.

  As described above, according to the video accumulation / delivery system of the present embodiment, the occurrence point, necessity of accumulation, and distribution destination are registered, and the current location information from the mobile terminal is periodically received. It is possible to automatically start accumulation of video from a mobile terminal that falls within a specific range of a designated incident occurrence point, and to distribute video to a necessary distribution destination device.

  According to the video accumulation and delivery system of this embodiment, it is possible to quickly obtain video information around the incident occurrence point for police and firefighting activities, collect video information, perform video analysis, etc. Can be performed quickly, can contribute to early case resolution, and can provide an effective system.

  In addition, this invention is not limited to an above-described Example, Various modifications are included. For example, the above-described embodiments have been described in detail for better understanding of the present invention, and are not necessarily limited to those having all the configurations described. Further, a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment. Further, it is possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.

  Further, the above-described configuration, function, processing unit, and the like have been described as an example of creating a program that realizes part or all of them. Needless to say, it can be realized with this. That is, all or a part of the functions of the processing unit may be realized by an integrated circuit such as an application specific integrated circuit (ASIC) or a field programmable gate array (FPGA) instead of the program.

100 Video storage / delivery server 101 Management terminals 102a to 102d Mobile terminals 103a, 103b, 305 Video display devices 104a, 104b Accident occurrence locations 105a, 105b Radial distance information 201 Occurrence point information table 202 Mobile terminal management information table 203 Designated distribution destination information table 204 Current distribution information table 205 Occurrence point information setting / releasing unit 206 Position information corresponding determination unit 207 Video storage / distribution unit 208 Video data storage unit 209, 304 Communication unit 301 Video transmission service unit 302 Position measurement unit 303 Video shooting unit

Claims (5)

A video storage information distribution system linked to position information,
An information terminal capable of shooting video,
A storage video server capable of receiving and storing video captured by the information terminal and distributing the video;
When the information terminal enters within a predetermined distance from the incident occurrence point, the captured video is transmitted to the stored video server,
The storage video server stores the video transmitted by the information terminal, and distributes the stored video to another designated information terminal;
A video storage and distribution system characterized by this. The video storage / delivery system according to claim 1,
Further comprising a management terminal that transmits to the information terminal the radial distance information from the incident occurrence point and the incident occurrence point that sets the predetermined distance.
A video storage and distribution system characterized by this. The video accumulation and delivery system according to claim 2,
The other information terminal is an information terminal within a specific range, and the specific range is set by the radial distance information from the incident occurrence point.
A video storage and distribution system characterized by this. The video storage and delivery system according to claim 3,
The information terminal is a mobile body including a position positioning unit that positions the position information.
A video storage and distribution system characterized by this. The video storage / delivery system according to claim 4,
The stored video server is
Periodically acquiring the location information of two or more information terminals;
Sending the video taken by the information terminal approaching the incident occurrence point to the other information terminal,
A video storage and distribution system characterized by this.

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