JP2007174473A - Video monitor support system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video monitor support system with which speedy and optimal measures can be taken in an emergency such as disaster occurrence. <P>SOLUTION: The video monitor support system 20 includes: a camera apparatus 21 which outputs a camera video data signal (g); a calling signal generating means 23 which inputs the camera video data signal (g) and outputs a corresponding video data calling signal (f); a video information database 31 which inputs the corresponding video data calling signal and outputs a stored video data icon display signal (d) corresponding to the corresponding video data calling signal (f); a video data input/output means 27 for inputting the stored video data icon display signal (d) and outputs the relevant stored video data icon display signal (d) and the camera video data signal (g); a video information data coupling means 24 which inputs the camera video data signal (g) and the stored video data icon display signal (d) and outputs a video data coupling signal (k); and a video data display device 25 which inputs the video data coupling signal (k) and displays video based on the camera video data signal (g) and the stored video data icon display signal (d). <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a video monitoring support system suitable for use in monitoring such as disaster monitoring, and more particularly to a video monitoring support system capable of efficiently monitoring in an emergency such as a disaster.

  Conventionally, this type of video surveillance support system has created and accumulated video data by installing a video camera device in a place that requires emergency measures as one of the emergency measures such as traffic accident prevention measures. There is a known video monitoring support system that can easily and efficiently search for desired specific video data from these data and can be used for emergency measures.

  As this conventional video monitoring support system, there is a system that records and manages camera-controlled video information, and can support video monitoring according to the emergency location in an emergency. (For example, refer to Patent Document 1).

  This type of video monitoring support system will be described with reference to FIG.

  FIG. 10 shows an overview of the video monitoring support system 1. The video monitoring support system 1 includes a receiving means 2 for inputting video data x taken by a monitoring camera (not shown), a construction means 4 for constructing a spatiotemporal data structure in the storage means 3, and a search request from the user p. Based on the converted search request, the conversion means 5 for converting the spatial data structure so that it can be searched, the camera image data corresponding to the spatio-temporal data structure is searched from the storage means 3, and the search result is output to the user p. And the search means 6 for

  The user p operates a PC (personal computer) 7 directly connected to the system locally, issues a desired search request, obtains video data x as a search result, and obtains the obtained video data x. It can be viewed on the PC 7 via the network 8.

  The surveillance camera of the video surveillance support system 1 may be a fixed camera or a moving camera. Moreover, the thing of the type which can change the direction of a surveillance camera freely may be used.

According to the video monitoring support system 1, it is possible to efficiently search for desired video data at high speed from a vast amount of video data generated from a monitoring camera in consideration of the shooting direction. Therefore, in the event of an emergency, video data indicating the past emergency situation can be immediately retrieved and utilized for countermeasures.
JP 2004-236144 A

  According to the conventional video monitoring support system 1, in the event of an emergency, for example, in the event of a disaster, it is possible to instantly search video data indicating the past disasters and use it for countermeasures. In examining the countermeasures by comparing the actual situation with the past disaster situation, the disaster location and situation are recognized first, and then the past disaster situation at the disaster location is recognized. There is a problem in that it takes time for the measures taken by the disaster countermeasure staff until the video data indicating the past disaster situation of the disaster location is searched and specified, and the work is troublesome, but the disaster countermeasures are delayed. there were.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a video monitoring support system that can take a speedy and optimum measure in an emergency such as a disaster.

  In order to achieve the above object, according to the present invention, a camera device that outputs a camera video data signal, a call signal generating unit that inputs the camera video data signal and outputs a corresponding video data call signal, and the corresponding video A video information database for inputting a data call signal and outputting a stored video data icon display signal corresponding to the corresponding video data call signal; and inputting the stored video data icon display signal; Video data input / output means for outputting the camera video data signal, video information data combining means for inputting the camera video data signal and the stored video data icon display signal and outputting a video data combined signal, and the video data combined signal Enter the camera video data signal and stored video data icon To provide a video surveillance support system characterized by comprising a video data display device for displaying an image based on No. 示信.

  According to the present invention, it is possible to provide an image monitoring support system that can quickly and optimally take measures in the event of an emergency such as a disaster.

  An embodiment of a video surveillance support system according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is a block diagram showing an outline of a video surveillance support system 20 of the present invention. FIG. 2 is a diagram schematically showing the video data display device 25 of the video monitoring support system 20. FIG. 3 is a diagram showing a camera image taken by the camera device 21 of the image monitoring support system 20, for example, a camera image of a fallen road. 4A and 4B are diagrams showing examples of images displayed on the image data display device 25 of FIG. 2, in which FIG. 4A shows images displayed as icons, and FIG. 4B shows images displayed by icon operations. Yes. FIG. 5 is a diagram showing the contents of registration data in the video information database 31 of the video monitoring support system 20. FIG. 6 is a diagram showing another video display example, (A) is a diagram showing a camera video displayed by icon operation, and (B) is a diagram showing a handwritten input correction video of the camera video of (A). It is.

  7A and 7B are diagrams showing examples of icon display, in which FIG. 7A shows an icon using an image near a bridge girder, and FIG. 7B shows an icon using an image near a specific curve of a road. FIG. 8 shows images displayed by operating the icons shown in FIGS. 7 (A) and 7 (B).

  A video monitoring support system 20 shown in FIG. 1 includes a camera device 21, a video data input device 22 that inputs a camera video data signal g output from the camera device 21 and outputs the camera video data signal g, and a camera. Call signal generating means 23 for inputting the video data signal g and outputting the stored video data icon display signal d together with the camera video data signal g, and inputting the camera video data signal g and the stored video data icon display signal d Video information data combining means 24 for outputting video data combined signal k, and a video data display device for displaying video based on camera video data signal g and stored video data icon display signal d by inputting video data combined signal k 25 and the accumulated video data icon display signal d is output to the call signal generating means 23 side. And a value-added video data output means 30 for outputting the detail video data signal i to the video data display device 25.

  The camera device 21 acquires camera image data in a plurality of directions, for example, near a high-frequency accident near a highway, which is a monitoring target place where there is a possibility of a disaster such as a traffic accident, and a camera image data signal g And output to the video data input device 22 side via a network (not shown) such as an optical / wireless carrier line. The installation location and orientation of the camera device 21 is an area and location specified in advance in consideration of an emergency such as a disaster, and is provided in a desired direction.

  The video data input device 22 receives the camera video data signal g, performs analog image data or digitization processing, and outputs it to the call signal generating means 23 side.

  The call signal generating means 23 inputs the camera video data signal g, and based on the camera video data contained in the camera video data signal g, the call video data call signal f for displaying the icon is added value video data. Output to the output means 30 side to acquire the stored video data icon display signal d. As shown in FIG. 2, the call signal generation means 23 includes an icon-corresponding stored video data call signal generator 26 and a video data input / output device 27.

  The icon corresponding stored video data call signal generator 26 generates a corresponding video data call signal f from the camera video data signal g and outputs it to the value added video data output means 30 side.

  The video data input / output device 27 receives the stored video data icon display signal d output in response to the corresponding video data call signal f from the value added video data output means 30 side, and receives the camera video data signal g and the stored video data. The icon display signal d is output to the video information data combining means 24 side. The accumulated video data icon display signal d includes data that can be displayed on the video data display device 25 side.

  The video information data combining means 24 receives the camera video data signal g and the stored video data icon display signal d, and generates a video data combined signal k by data linking the signals g and d to generate a video data display device. 25 to the side.

  As shown in FIG. 2, the video data display device 25 includes a camera video display screen 25a and a database video display screen 25b. The camera image display screen 25a displays an image based on the camera image data included in the camera image data signal g in the image data combination signal k. As shown in FIG. 3, the displayed video is displayed as a video captured by the camera device 21 installed on a predetermined road, for example, one still image. In the database video display screen 25b, an icon based on the icon display data included in the stored video data icon display signal d among the video data combined signal k, and a camera video corresponding to “fallen tree” shown in FIG. The stored video icon is displayed.

  Therefore, by operating this camera video corresponding stored video icon by an icon operating means described later, as shown in FIG. 4B, for example, a past stored video corresponding to a fallen road icon, for example, one A still image is displayed. Note that one still image displayed on the camera image display screen 25a of the image data display device 25 may be a moving image, or a still image may be displayed intermittently.

  The value added video data output means 30 includes a video information database 31, a browsing video data output device 32, and a screen operation input means 33.

  The video information database 31 stores a plurality of video registration data captured in an emergency such as a past disaster. As shown in FIG. 5, the video information database 31 includes a camera information column 31b, a generated event column 31c, a telemeter (weather data, etc.) column 31d, a memo column 31e, and a video display column 31f according to the occurrence date and time of the occurrence date display column 31a. Each detailed content of the related display column 31g is included.

  The video information database 31 automatically generates a stored video data icon display signal d by inputting the corresponding video data call signal f from the call signal generating means 23 side, and outputs it to the call signal generating means 23 side. The stored video data icon display signal d is stored video data that substantially matches (or approximates) the camera video data included in the corresponding video data call signal f, and is an automatic search (not shown) provided in the value-added video data output means 30. -It is automatically searched and output by the verification means.

  Further, the video information database 31 receives the latest video screen data signal j from the video data display device 25 side, whereby the latest video information displayed on the camera video display screen 25a and the database video display screen 25b of the video data display device 25 is displayed. Update video screen data is stored.

  The browsing video data output device 32 receives the detailed video data browsing signal h1 from the screen operation input means 33 side and outputs the browsing video data call signal h2 to the video information database 31 side, so that the detailed information from the video information database 31 side is displayed. The video data signal i is input and output to the video data display device 25 side. The detailed video data signal i is displayed on the camera video display screen 25a of the video data display device 25. For example, the detailed video data signal i relates to the camera video x shown in FIG. It contains data for displaying database video.

  Further, the browsing video data output device 32 outputs the detailed video data signal i to the video data display device 25 side by inputting the detailed video data browsing signal h1 from the screen operation input means 33 side.

  The video data display device 25 is configured to display a desired detailed video (not shown) by inputting the detailed video data signal i.

  The screen operation input means 33 is used to display desired video data in the video information data stored in the video information database 31 on the camera video display screen 25a and the database video display screen 25b of the video data display device 25. It is provided so that it can be entered manually.

  For example, as shown in FIG. 6A, based on the camera video x1 displayed on the camera video display screen (dotted line display) 25a, a situation that may occur in the future is assumed as shown in FIG. 6B, for example. The handwritten input corrected image q can be created. The modified video q can be created by the operator himself using writable means such as a pen touch (not shown) on the screen.

  The screen operation input unit 33 is not necessarily provided on the value added video data output unit 30 side, and may be provided on the video data display device 25 side. Further, the screen operation input means 33 may be provided with, for example, a keyboard input device (not shown) and can be performed by keyboard input by an operator. Furthermore, the video data display device 25 or the value-added video data output means 30 corresponds to the camera video x displayed on the camera video display screen 25a of the video data display device 25 as shown in FIGS. For example, a click mouse (not shown) for operating the camera video corresponding stored video icon y displayed on the database video display screen 25b may be connected.

  As shown in FIG. 5, the camera video corresponding stored video icon y shown in FIG. 4 (A) may be displayed in a matrix form only with characters related to, for example, “fallen tree” from the stored registration data. it can. In the case of this matrix display, for example, the “fallen tree” display column in the occurrence event column of the occurrence date and time field of 2003.11.28 and 2004.4.6 can be set as an icon as it is.

  Also, other fields can be provided so as to function as icons. In this case, for example, when the “fallen tree” display column is clicked with the mouse, the icon-corresponding display video z in the fallen tree state is displayed on the database video display screen 25b as shown in FIG.

  Next, the operation of the video monitoring support system 20 will be described.

  The camera device 21 acquires the camera video raw data of the monitoring target area. When the camera device 21 acquires the raw camera image data, the camera device 21 generates a camera image data signal g. The camera video raw data is output to the video data input device 22 side via the image network. The video data input device 22 receives the camera video data signal g and outputs it to the call signal generating means 23.

  Next, the call signal generating means 23 having received the camera video data signal g outputs the corresponding video data call signal f to the video information database 31 side of the value-added video data output means 30. The video information database 31 having received the corresponding video data call signal f outputs the stored video data icon display signal d to the call signal generating means 23. The call signal generating means 23 outputs the camera video data signal g previously input together with the stored video data icon display signal d to the video information data combining means 24.

  That is, the corresponding video data call signal f generated by inputting the camera video data signal g in the icon corresponding stored video data call signal generator 26 of the call signal generating means 23 is output to the video information database 31. In the video data input / output device 27 to which the camera video data signal g and the stored video data icon display signal d output from the video information database 31 are input, both signals g and d are output to the video information data combining means 24.

  The video information data combination means 24 links both the input camera video data signal g and the stored video data icon display signal d and outputs a video data combined signal k to the video data display device 25. The video data display device 25 displays the camera video included in the input camera video data signal g on the camera video display screen 25a shown in FIG. 2, and at the same time, automatically stores the stored video data icon display signal d on the database video display screen 25b. Displayed. At the same time, the camera video data signal g displayed on the camera video display screen 25a is output to the video information database 31 as an updated video screen data signal j and stored as a new database. The camera video display screen 25a and the database video display screen 25b do not define a display screen area, and can be arbitrarily mixed and displayed within one screen.

  Next, correction by handwriting input of the camera image displayed on the camera image display screen 25a will be described.

  Based on the camera video x displayed on the camera video display screen 25a, for example, a corrected image that assumes a situation that may occur in the future can be created if necessary. Specifically, the handwriting input signal e is output to the camera video display screen 25a of the video data display device 25 by operating an image correction pen touch (not shown) of the screen operation input unit 33 of the value added video data output unit 30. The camera video x1 displayed on the camera video display screen 25a shown in FIG. 6 (A) can create a handwritten input correction (hatched portion) video q as shown in FIG. 6 (B).

  This handwritten input corrected video q is an image that has been corrected by the operator of the video monitoring support system 20 in the future, which may occur from the situation at the site, for example, assuming a re-collapse situation. Therefore, in order to prevent a disaster, it can be effectively used as information at the time of initial operation of a disaster prevention system (not shown).

  Thus, according to the video monitoring support system 20, the camera device 21 that outputs the camera video data signal g, the call signal generation means 23 that inputs the camera video data signal g and outputs the corresponding video data call signal f, and The video information database 31 for inputting the corresponding video data calling signal f and outputting the stored video data icon display signal d corresponding to the corresponding video data calling signal f and the stored video data icon display signal d are input and the storage is performed. Video data input / output means 27 for outputting the video data icon display signal d and the camera video data signal g, and video information for inputting the camera video data signal g and the stored video data icon display signal d and outputting the video data combination signal k The data combination means 24 and the video data combination signal k are inputted and the camera video data signal g and Since the video data display device 25 displays a video based on the product video data icon display signal d, the video data display device 25 includes a camera including raw camera video data output from the camera device 21 side. A camera video x based on the video data signal g and an icon corresponding display video z that matches or approximates the camera video data can be displayed simultaneously.

  In addition, the operator can monitor both images while visually comparing and collating them, and can display a detailed image that is necessary information related to the camera image x at the time of this monitoring. Therefore, the operator of the video monitoring support system 20 can analyze the emergency measures and the like after that based on the past emergency cases such as disasters accumulated in the video information database 31. Speedy and optimal measures can be taken in an emergency.

  Further, detailed video data is stored in the video information database 31 of the video monitoring support system 20, and by inputting the detailed video data signal i from the video information database 31, the camera video for displaying the detailed video data as a video. Since the display screen 25a is provided, the camera video raw data based on the camera video data signal g output from the camera device 21 side and the stored video data that matches or approximates the camera video raw data are displayed simultaneously. Therefore, the operator of the video monitoring support system 20 can monitor the situation while comparing and collating both videos by the video data display device 25.

  Accordingly, the operator of the video monitoring support system 20 operates the specific stored video data icon as necessary while comparing and collating both videos, displays detailed video data from the video information database 31 on the screen, and displays past cases. Based on this, it is possible to analyze subsequent emergency measures.

  The video data display device 25 of the video monitoring support system 20 receives the detailed video data signal i from the value-added video data output means 30 side, thereby displaying the video information data in the video information database 31 as a video. Since the configuration includes the screen 25a, the video data display device 25 displays an arbitrary detailed video from the video information database 31 by arbitrarily operating the screen operation input means 33 of the value-added video data output means 30 by the operator. Therefore, based on the past cases, it is possible to analyze the subsequent emergency measures and the like, and it is possible to take speedy and optimum measures in the event of a disaster.

  Further, at this time, the latest updated video screen data displayed on the camera video display screen 25a and the database video display screen 25b of the video data display device 25 is accumulated in the video information database 31, and in the event of an emergency such as the next disaster. Can be used.

  Further, the video data display device 25 of the video monitoring support system 20 has a configuration including screen operation input means 33 for outputting a handwritten input signal for displaying a video by handwriting input to the camera video display screen 25a. In this case, it is possible to display a detailed video that is necessary information related to the camera video x. Therefore, the operator of the video monitoring support system 20 can analyze the emergency measures and the like after that based on the past emergency cases such as disasters accumulated in the video information database 31. Speedy and optimal measures can be taken in an emergency. As a result, this detailed video can be stored in the video information database 31 for reuse.

  Furthermore, the value-added video data output means 30 of the video monitoring support system 20 includes a screen operation input means 33 that outputs a detailed video data browsing signal h1, a video information database 31 that stores past video data, and detailed video data. By inputting the browsing signal h1, the browsing video data calling signal h2 is output to the video information database 31 side, and the detailed video data signal i output from the video information database 31 is output to the video data display device 25 side. Since the browsing video data output device 32 is provided, the camera video x displayed on the camera video display screen 25a of the video data display device 25 and the handwritten input corrected video q of the camera video by the screen operation input means 33 are displayed. Since it can be stored in the video information database 31 by the updated video screen data signal j, it is always Mera video x and handwriting input modified video q reuse becomes possible.

  Further, the value-added video data output means 30 of the video monitoring support system 20 outputs the handwritten input signal e to the video data display device 25 side, and screen input by handwriting on the camera video display screen 25a of the video data display device 25. Since the screen operation input means 33 is configured to enable the handwriting input corrected by assuming the situation of re-collapse, for example, which may occur in the future from the situation of the site by the operator of the video monitoring support system 20 Since it is the corrected image q, it can be effectively used as information at the time of the initial operation of a disaster prevention system (not shown) when the image monitoring support system 20 prevents a disaster.

  According to the video surveillance support system 20, when used as a video surveillance support system for road disaster countermeasures, as shown in FIG. 7A, the database video display screen 25b (shown by dotted lines) of the video data display device 25 is used. As an example of an icon displayed in FIG. 7B, an example of a submerged bridge is assumed. As shown in FIG. 7B, as an example of an icon displayed on the database video display screen 25b (shown by a dotted line) of the video data display device 25, Each of them is assumed to be flooded on the road laid in the depression. When an image of this type of disaster location is used as an icon, it is easy to understand at a glance for the supervisor (the person who handles the video surveillance support system 20), and the work can be performed quickly in an emergency.

  In addition, in the place shown in FIGS. 7A and 7B, when the submergence actually occurs, the operation shown in FIGS. 8A and 8B is performed by operating the icon displayed in the image of the place. As shown in the figure, the notes l1 and l2 of the case are displayed along with the images of the past case in the actual submerged state.

  As described above, the memo l1 (l2) is displayed along with the submerged video, so that the operator of the video surveillance support system 20 can know the past disaster cases in detail and is immediately appropriate. It can be used for disaster countermeasures.

  Furthermore, using the registration data including a large number of past cases accumulated in the video information database 31, as shown in the search condition graph m in FIG. Can be listed. By displaying in the search condition graph m in this way, for example, when road reinforcement work for disaster countermeasures is performed, for road reinforcement work in a specific area, avoid a period when there is a lot of rainy days, or by that time It can also be used as judgment information for completing construction.

The block diagram which shows the outline | summary of the video surveillance assistance system of this invention. The figure which shows typically the video data display apparatus of the video surveillance assistance system of FIG. The figure which shows the camera image example image | photographed with the camera apparatus of the image | video monitoring assistance system of FIG. FIGS. 3A and 3B are diagrams illustrating an example of a video displayed on the video data display device of FIG. 2, where FIG. 3A illustrates a video displayed as an icon, and FIG. 3B illustrates a video displayed by an icon operation. The figure which shows the registration data content of the video information database of the video surveillance assistance system of FIG. 4A and 4B are diagrams illustrating a display example of a camera video different from the camera video illustrated in FIG. 3, in which FIG. 4A illustrates a display example displayed by an icon operation, and FIG. 4B illustrates a modified display example of FIG. FIGS. 5A and 5B are diagrams illustrating an example of an icon different from the icon illustrated in FIG. 4, in which FIG. 5A illustrates an icon using a video near a bridge girder, and FIG. 5B illustrates an icon using a video near a specific curve of a road. . FIGS. 8A and 8B are diagrams showing images displayed by operating the icons shown in FIGS. The figure which shows the example of a display of the search condition graph based on the registration data of a video information database. The figure which shows the outline | summary of the conventional image | video monitoring assistance system.

Explanation of symbols

20 video monitoring support system 21 camera device 22 video data input device 23 call signal generating means 24 video information data combining means 25 video data display device 25a camera video display screen 25b database video display screen 26 icon corresponding storage video data call signal generator 27 Video data input / output means 30 Value-added video data output means 31 Video information database 31a Occurrence date / time display column 31b Camera information column 31c Occurrence event column 31d Telemeter 31e Memo 31f Video display 31g Related display 32 Browsing video data output device 33 Screen operation input unit d Stored video data icon display signal e Handwritten input signal f Corresponding video data call signal g Camera video data signal h1 Detailed video data browsing signal h2 Browse video data call signal i Detailed video data signal j Update video screen Data signal k image data combined signal m search graph l1, l2 notes q handwriting input corrected image x, x1, x2 camera image y, y1, y2 camera image corresponding stored video icon z, z1, z2 icon corresponding display image

Claims (4)

A camera device for outputting a camera video data signal; call signal generating means for inputting the camera video data signal and outputting a corresponding video data call signal; and inputting the corresponding video data call signal; Video information database for outputting a stored video data icon display signal corresponding to the video data input / output means for inputting the stored video data icon display signal and outputting the stored video data icon display signal and the camera video data signal Video information data combining means for inputting the camera video data signal and the stored video data icon display signal and outputting a video data combined signal; and inputting the video data combined signal for the camera video data signal and the stored video data Video data to display video based on icon display signal Video monitoring support system characterized by comprising a shows apparatus. The video data display device includes a camera video display screen for displaying camera video data and a database video display screen for displaying corresponding video data icons by inputting a video data combination signal. Item 1. The video surveillance support system according to Item 1. Detailed video data is stored in the video information database, and the video data display device includes a camera video display screen for displaying the detailed video data by inputting a detailed video data signal. The video monitoring support system according to claim 1, wherein: 2. The video monitoring support system according to claim 1, further comprising screen operation input means for performing handwritten input on the camera video data.

Images