JP5158471B2 - Monitoring system - Google Patents

Description

  The present invention relates to a monitoring system in which a plurality of monitoring cameras are installed and video data captured by each of the monitoring cameras is simultaneously displayed on a display monitor.

  2. Description of the Related Art Conventionally, monitoring systems that perform remote monitoring while monitoring video data taken by a monitoring camera at a monitoring center have been used for the purpose of device operation confirmation, crime prevention and the like. In such a monitoring system, generally, video data captured by a monitoring camera installed in each of a plurality of monitoring areas is transmitted to a monitoring center via a network. Then, an operator resident in the monitoring center displays the video data captured by the monitoring camera on the display monitor of the monitoring terminal, and performs remote monitoring of the monitoring area.

  Some of these monitoring systems have a function of dividing a display area of a display monitor into a plurality of areas and displaying video data captured by the monitoring camera in each area. By using this function, it is possible to monitor a plurality of monitoring areas with a single display monitor. However, if the number of installed monitoring cameras exceeds the number of video data that can be displayed on one display monitor, use multiple display monitors or switch the video data captured by the monitoring cameras one by one. It is necessary to take measures such as displaying on the display monitor of the stand.

  For example, in the monitoring system disclosed in Patent Document 1, the screen of the display monitor is divided into a plurality of areas, and the divided areas are areas where video data captured by a specific monitoring camera is continuously displayed, or the like. The video data captured by the surveillance camera is set to one of the areas to be switched and displayed at regular intervals. As a result, it is possible to display video data captured by more than the number of divided areas on a single display monitor.

JP-A-10-108168

  However, in the above-described conventional monitoring system, when video data captured by a plurality of monitoring cameras is displayed on one display monitor, the operator selects an area for displaying the video data captured by the monitoring camera, and the monitoring camera The video data shot by the camera is assigned to the selected area. Further, it is necessary to repeat these operations as many times as the number of areas for displaying video data. As described above, in the conventional monitoring system, there is a problem that the number of operations of the operator becomes very large in order to display the video data captured by the monitoring camera in each area.

  Also, when changing the video data captured by the surveillance camera displayed in each area, or when increasing or decreasing the number of divided areas, the same work as described above occurs, so the efficiency of the monitoring work is reduced. There was a problem.

  Therefore, in view of the above problems, the present invention provides a monitoring system that can simplify the operation of displaying video data captured by a plurality of monitoring cameras on a single display monitor, and can efficiently perform monitoring work. The purpose is to provide.

In order to solve the above problem, the monitoring system according to claim 1 includes a plurality of monitoring cameras and a monitoring terminal connected to the plurality of monitoring cameras via a network, and each monitoring camera includes a sensor, The monitoring terminal includes a display unit that displays video data captured by the plurality of monitoring cameras in a display area, an operation unit that performs operations related to the display unit, and a unique camera identification number assigned to each monitoring camera. The camera information holding unit to hold, and the display area is divided into a plurality of divided areas, the order of each monitoring camera is determined according to the number of detections by each sensor, and each divided area is determined according to the determined order of each monitoring camera allocating the camera identification number of each surveillance camera, to be displayed in each divided region video data each monitoring camera is taken corresponding to the camera identification number assigned A screen creation unit, and the screen creation unit changes the camera identification number assigned to each divided region based on the order according to an instruction from the operation unit, and displays the camera identification number on each divided region. The video data captured by each surveillance camera is switched.

  The invention according to claim 2 is the monitoring system according to claim 1, further comprising an arrangement pattern holding unit that holds the arrangement pattern of the plurality of divided areas according to the number of divisions of the display area, The screen creation unit arranges each divided area in the display area according to the selected arrangement pattern.

  According to a third aspect of the present invention, in the monitoring system according to the first aspect, the screen creation unit increases or decreases the rank corresponding to each divided area by the number of divided display areas in accordance with the instruction. It is characterized by making it.

  According to a fourth aspect of the present invention, in the monitoring system according to the first aspect, the screen creation unit increases or decreases the order corresponding to each divided region by a predetermined number in accordance with the instruction. And

  According to a fifth aspect of the present invention, in the monitoring system according to the fourth aspect, the screen creation unit corresponds to the highest rank among the camera identification numbers assigned to the respective divided areas in accordance with the instruction. The camera identification number to be assigned is assigned to the divided area to which the camera identification number corresponding to the lowest order is assigned.

According to a sixth aspect of the present invention, in the monitoring system according to any one of the first to fifth aspects, the screen creation unit updates the rank every predetermined time.

According to a seventh aspect of the present invention, in the monitoring system according to any one of the first to sixth aspects, an area number corresponding to a size of the area is assigned to each divided area, and the screen creation unit Determines the camera identification number to be assigned to each divided region based on the region number and the order.

  In the surveillance system of the present invention, a unique camera identification number is assigned to each surveillance camera, and the camera identification number is assigned to the divided areas arranged in a predetermined arrangement pattern based on the order determined based on the camera identification number. By assigning, the video data captured by the surveillance camera is displayed in the divided area. Therefore, the operator's work for displaying the video data captured by the monitoring camera in each divided area can be simplified.

  In addition, since the camera identification number assigned to the divided area can be switched in accordance with an instruction from the operation unit, the video data captured by the surveillance camera displayed in the divided area can be easily switched. , Monitoring work can be made more efficient.

  In the surveillance system of the present invention, the order of the surveillance cameras is set according to the importance that takes into account the importance of the surveillance area. The importance can be set in advance by the user or can be determined based on the detection result of the sensor unit arranged corresponding to the surveillance camera. This makes it possible to preferentially display the video data taken by the monitoring camera, which is arranged in the monitoring area having high importance, on the display unit, thereby making it possible to improve the efficiency of monitoring work.

{First embodiment}
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a system configuration diagram of a monitoring system according to the first embodiment of the present invention. In the surveillance system shown in FIG. 1, surveillance cameras 111, 112, and 113 are connected to the video server 11, and surveillance cameras 121, 122, and 123 are connected to the video server 12. The video servers 11 and 12 are connected to the monitoring terminal 2 via the LAN 3. The monitoring system shown in FIG. 1 is provided in one building, for example.

  In FIG. 1, the number of video servers is two and the number of surveillance cameras connected to each video server is three. However, the video servers and video servers constituting the surveillance system of the present embodiment are shown in FIG. The number of surveillance cameras connected is not limited to that shown in FIG. In FIG. 1, the monitoring cameras 111 to 113 and 121 to 123 and the monitoring terminal 2 are connected via the LAN 3, but may be connected via the Internet.

  The monitoring cameras 111 to 113 and 121 to 123 capture the periphery of the monitoring area. Video data taken by the monitoring cameras 111 to 113 and 121 to 123 is video data in an analog format such as NTSC system or PAL system.

  The video servers 11 and 12 are moving image distribution servers, and convert analog video data input from the monitoring cameras 111 to 113 and 121 to 123 into digital video data such as MPEG4. In addition, the video servers 11 and 12 transmit the converted digital data to the monitoring terminal 2 via the LAN 3.

  The monitoring terminal 2 is installed in a monitoring center or the like, and displays digital video data transmitted from the video servers 11 and 12. The operator of the monitoring center performs monitoring work by monitoring the display monitor of the monitoring terminal 2.

  Next, the monitoring terminal 2 will be described. The monitoring terminal 2 includes a control unit 21, a display unit 22, an input unit 23, a monitoring camera management unit 24, an arrangement pattern holding unit 25, and a communication unit 26.

  The control unit 21 performs overall control of the monitoring terminal 2. The control unit 21 also includes a screen creation unit 211 that creates monitoring video data to be displayed on the monitoring screen.

  The display unit 22 displays the monitoring video data created by the screen creation unit 211. FIG. 2 is a schematic diagram of a monitoring screen displayed on the display unit 22. The monitoring screen includes a monitoring video display area 221 and an operation button display area 222. In the surveillance video display area 221, video data captured by the surveillance camera is displayed in the divided areas a to f. In the operation button display area 222, buttons for performing various operations of the monitoring terminal 2 are displayed.

  Here, the divided areas are a plurality of areas formed by dividing the monitoring video display area 221, and video data captured by the monitoring camera is displayed in each divided area. The number of divided areas shown in FIG. 2 is six, and each divided area is given a unique area number a to f. Note that the number of divided areas displayed in the monitoring video display area 221 can be changed.

  The input unit 23 includes a keyboard, a mouse, and the like for issuing various operation instructions to the monitoring terminal 2.

  The surveillance camera management unit 24 manages the surveillance camera attribute information of the surveillance cameras 111 to 113 and 121 to 123. FIG. 3 is a diagram illustrating an example of attribute information held by the monitoring camera management unit 24. As shown in FIG. 3, the surveillance camera management unit 24 manages the attribute information of the surveillance camera using a unique camera ID assigned to each surveillance camera. For example, as shown in FIG. 1, the IP address of the video server 11 is 192.168.0.1, and the IP address of the video server 12 is 192.168.0.2. In this case, it can be seen that the surveillance camera 111 is connected to the channel 1 of the video server 11 and installed in the 2F elevator hall. Similarly, it can be seen that the surveillance camera 121 is connected to the channel 1 of the video server 12 and installed at the 1F entrance.

  The arrangement pattern holding unit 25 holds the arrangement pattern of the divided areas. FIG. 4 is a diagram illustrating an example of an arrangement pattern of divided areas held by the arrangement pattern holding unit 25. As shown in FIG. 4, the arrangement pattern of the divided areas is determined according to the number of divided areas. The arrangement patterns shown in FIGS. 4A to 4G correspond to the arrangement patterns in the case where the number of divided areas is 1, 4, 6, 8, 9, 10, and 16, respectively. Each divided area is given a unique area number. For example, in the case of the arrangement pattern shown in FIG. 4E, the number of divided areas is 9, and the divided areas have area numbers a to i. Is granted.

  The communication unit 26 transmits / receives data to / from each computer connected to the LAN 3 using a protocol such as TCP / IP.

  Next, the operation of the monitoring system according to the present embodiment will be described with reference to FIGS. 4, 5, and 6. FIG. 5 is a flowchart for explaining an outline of the operation of the monitoring terminal 2. FIG. 6 is a schematic diagram showing an example of the operation button display area 222 shown in FIG.

  First, the operator of the monitoring terminal 2 sets monitoring camera attribute information (step S1). The operator presses the camera setting button 228 in the operation button display area 222 shown in FIG. 6 to call a monitoring camera attribute information setting screen (not shown). Then, the operator assigns a unique camera ID to the monitoring camera and sets attribute information.

  Thereafter, the operator determines the number of divided areas to be displayed in the monitoring video display area 221 (step S2). Specifically, when the operator presses the divided area setting button 223 shown in FIG. 6, the number of divided areas to be displayed in the monitoring video display area 221 is determined. In the divided area setting button 223, the buttons “FullScreen”, “4CH”, “6CH”, “8CH”, “9CH”, “10CH”, and “16CH” are shown in FIGS. This corresponds to the arrangement pattern of the divided areas shown. When the “Patrol” button shown in the divided area setting button 223 is pressed, the image creation unit 211 displays the video data captured by the monitoring camera on a full screen, and displays the monitoring camera according to the order of the camera ID. The video data shot by is switched at regular intervals.

  Next, the screen creation unit 211 displays the divided areas in the monitoring video display area 221 based on the determined number of divided areas (step S3). That is, the screen creation unit 211 acquires an arrangement pattern corresponding to the division area setting button 223 pressed by the operator from the arrangement pattern holding unit 25 and displays the division area in the monitoring video display area 221.

  Thereafter, the screen creation unit 211 displays the video data in the divided area displayed in the monitoring video display area 221 (step S4). Specifically, the screen creation unit 211 displays video data captured by the monitoring camera in the divided areas by associating each divided area of the arrangement pattern shown in FIG. 4 with a camera ID. For example, in the case of the monitoring video display area 221 shown in FIG. Assign in the order. Thus, the camera ID may correspond to the area number in ascending order, or the camera ID may correspond to the descending order.

  After the video data is displayed in the divided areas, the operator operates the input unit 23 to switch the video data displayed in each divided area (step S5) and performs monitoring.

  Hereinafter, the operation of the monitoring terminal 2 in step S5 for switching the video data displayed in each divided area will be described in detail.

  There are two switching methods for switching the video data displayed in the divided area, the divided area shift mode and the one-screen shift mode. The divided area shift mode refers to switching video data displayed in a divided area by incrementing or decrementing the camera ID value of the surveillance camera assigned to the divided area one by one. The divided area shift mode is executed by pressing a divided area left shift button 224 or a divided area right shift button 225 shown in FIG.

  On the other hand, the one-screen shift mode refers to switching video data displayed in a divided area by raising or lowering the camera ID value of the surveillance camera assigned to the divided area by the number of divided areas. The one-screen shift mode is executed by pressing the one-screen left shift button 226 or the one-screen right shift button 227 shown in FIG.

  First, the divided area shift mode will be described with reference to FIGS. FIG. 7 is a diagram for explaining a change in camera ID assigned to a divided area when the divided area left shift button 224 shown in FIG. 6 is pressed. FIG. 8 is a diagram illustrating a change in camera ID assigned to a divided area when the divided area right shift button 225 shown in FIG. 6 is pressed. 7 and 8, it is assumed that the camera ID is 1 to 30, and that six divided areas are arranged in the monitoring video display area 221. The numbers assigned to the divided areas indicate the camera IDs assigned to the respective divided areas, and the area numbers of the divided areas are the same as those shown in FIG.

  First, a change in camera ID when the divided region left shift button 224 is pressed will be described with reference to FIG. Each time the operator presses the divided region left shift button 224 once, the camera ID assigned to each divided region shown in FIG. 7A is as shown in FIGS. 7B, 7C,. ) And changes in the order of FIG. That is, by pressing the divided region left shift button 224 once, the value of the camera ID assigned to the divided region is incremented by one. For example, the camera ID assigned to the divided area a is changed from “1” shown in FIG. 7A to “2” shown in FIG. 7B, “3” shown in FIG. Change. Then, the camera ID assigned to the divided area a returns from “30” shown in FIG. 7E to “1” shown in FIG. The camera ID assigned to the divided areas b to f also changes in the same manner as the divided area a.

  Next, a change in camera ID when the divided region right shift button 225 is pressed will be described with reference to FIG. Each time the operator presses the divided area right shift button 225 once, the camera ID assigned to each divided area shown in FIG. 8A is as shown in FIGS. 8B, 8C,. ) And changes in the order of FIG. That is, by pressing the divided area right shift button 225 once, the value of the camera ID assigned to the divided area is lowered by one. For example, the camera ID assigned to the divided area a is changed from “1” shown in FIG. 8A to “30” shown in FIG. 8B, “29” shown in FIG. Change. Then, the camera ID assigned to the divided area a returns from “2” shown in FIG. 8E to “1” shown in FIG. The camera ID assigned to the divided areas b to f also changes in the same manner as the divided area a.

  Thus, the operator can switch the video data captured by the monitoring camera displayed on the display unit 22 by using the divided area shift mode.

  Next, the one-screen shift mode will be described with reference to FIGS. FIG. 9 is a diagram illustrating a change in camera ID assigned to a divided area when the left shift button 226 shown in FIG. 6 is pressed. FIG. 10 is a diagram for explaining a change in camera ID assigned to a divided area when the one-screen right shift button 227 shown in FIG. 6 is pressed. The arrangement of the divided areas shown in FIGS. 9 and 10 is the same as that in FIG.

  First, a change in camera ID when the left shift button 226 for one screen is pressed will be described with reference to FIG. Each time the operator presses the one-screen left shift button 226 once, the camera ID assigned to each divided area shown in FIG. 9A is as shown in FIG. 9B, FIG. 9C, FIG. It changes in the order of FIG. That is, the camera ID assigned to the divided area shown in FIG. 9A is incremented by the number of divided areas. For example, the camera ID assigned to the divided area a changes from “1” shown in FIG. 9A to “7” shown in FIG. 9B, “13”... Shown in FIG. To do. Then, the camera ID assigned to the divided area a returns from “25” shown in FIG. 9E to “1” shown in FIG. The camera ID assigned to the divided areas b to f also changes in the same manner as the divided area a.

  Next, a change in camera ID when the right shift button 227 for one screen is pressed will be described with reference to FIG. Each time the operator presses the one-screen right shift button 227 once, the camera ID assigned to each divided area shown in FIG. 10A is as shown in FIG. 10B, FIG. 10C,. ) And changes in the order of FIG. That is, the camera ID assigned to the divided area shown in FIG. 10A is lowered by the number of divided areas. For example, the camera ID assigned to the divided area a changes from “1” shown in FIG. 10A to “25” shown in FIG. 10B, “19”... Shown in FIG. To do. Then, the camera ID assigned to the divided area a returns from “7” shown in FIG. 10E to “1” shown in FIG. The camera ID assigned to the divided areas b to f also changes in the same manner as the divided area a.

  As described above, the operator can switch the video data captured by the monitoring camera displayed on the display unit 22 more quickly by using the one-screen shift mode than when the divided area shift mode is used.

  As described above, the monitoring system of the present embodiment assigns a unique camera ID to the monitoring camera, and assigns video data captured by the monitoring camera to the divided areas in ascending or descending order of the camera ID. Moreover, the monitoring system of this Embodiment switches the video data which the monitoring camera displayed on the division area image | photographed based on camera ID. Therefore, the operator of the monitoring system according to the present embodiment can display video data captured by a plurality of monitoring cameras on the display unit 22 without complicated work, and can also display the monitoring cameras displayed in the divided areas. Since the video data shot by the camera can be switched, it becomes possible to perform the monitoring work efficiently.

  In the present embodiment, the camera IDs assigned to the divided areas are incremented or decremented one by one in the divided area shift mode, but the present invention is not limited to this. For example, as shown in FIG. The camera ID assigned to the divided area may be changed.

  FIG. 11 is a diagram illustrating another example of a change in camera ID assigned to a divided region in the divided region shift mode. The divided area shift mode shown in FIG. 11 is assigned to a divided area with the camera ID corresponding to the video data captured by the monitoring camera displayed in the monitoring screen display area 221 fixed to that shown in FIG. The camera ID is rotated. When such an operation is performed, a “rotation mode” button may be arranged in the operation button display area 222. Then, in a state where this button is pressed, the screen creation unit 211 may create the monitoring video data by changing the correspondence between the divided areas and the camera ID as shown in FIG.

{Second Embodiment}
In the monitoring system according to the first embodiment, video data captured by the monitoring camera displayed in the monitoring video display area 221 is determined based on the camera ID. In other words, the camera ID assigned to the divided area depends on the order in which the attribute information of the monitoring camera is set, or depends on the ID given by the operator.

  However, the camera ID assigned to the surveillance camera may not match the importance of the surveillance camera. For example, when a surveillance camera is newly installed in a highly important area such as a place where many people come and go, the attribute information of the newly installed surveillance camera is input last. That is, video data captured by a highly important surveillance camera is not displayed first. Therefore, the monitoring system according to the second embodiment of the present invention is more important than the monitoring system according to the first embodiment in which video data displayed in the divided areas needs to be frequently switched. By further displaying the camera in the display area preferentially, further improvement in monitoring efficiency is realized.

  In the following description of the present embodiment, differences from the first embodiment will be mainly described, and the same components as those in the first embodiment will be denoted by the same reference numerals, Description is omitted.

  FIG. 12 is a configuration diagram of a monitoring system according to the second embodiment of the present invention. The monitoring system shown in FIG. 12 differs from the monitoring system shown in FIG. 1 in that the sensor units 114, 115, and 116 are connected to the video server 11, and the sensor units 124, 125, and 126 is connected, and the monitoring terminal 2 is newly provided with a monitoring camera management unit 27, a log data unit 28, and an importance level determination unit 212.

  The sensor units 114 to 116 and 124 to 126 are infrared sensors, door opening / closing detection sensors, and the like. The sensor units 114 to 116 are provided corresponding to the monitoring cameras 111 to 113, and the sensor units 124 to 126 are provided corresponding to the monitoring cameras 121 to 123, respectively.

  The monitoring camera management unit 27 corresponds to the monitoring camera management unit 24 illustrated in FIG. 1, but holds the attribute information of the monitoring camera to which information related to the sensor unit is newly added. FIG. 13 is a diagram showing an example of monitoring camera attribute information held by the monitoring camera management unit 27. As shown in FIG. 13, the information on the sensor unit provided corresponding to each surveillance camera is recorded in the attribute information of the surveillance camera. As information of the sensor unit, a sensor number uniquely assigned to each sensor is recorded. Note that the sensor number is not recorded in the monitoring camera with the camera ID “7”. This indicates that the sensor unit corresponding to the monitoring camera with the camera ID “7” is not arranged.

  The log data unit 28 collects the detection information of the sensor units 114 to 116 and 124 to 126 transmitted via the LAN 3, and stores it as log data. FIG. 14 is a diagram illustrating an example of log data stored in the log data unit 28. As illustrated in FIG. 14, the log data unit 28 stores a result of counting the number of detections of each sensor unit for each specific time segment. For example, in the case of the sensor unit 124 to which the sensor number “4” is assigned, the number of detections in the morning on April 6 is 98 times, and the number of detections in the afternoon is 89 times. Further, it can be seen that the total number of detections in the past week is 1288, and the total number of detections in the past 24 hours is 183.

  The importance level determination unit 212 analyzes the log data stored in the log data unit 28 and determines the importance level of the monitoring camera based on the analysis result. The importance level refers to a priority order in which camera IDs are assigned to divided areas.

  Next, the operation of the monitoring system of this embodiment will be described with reference to FIG. FIG. 15 is a flowchart illustrating the operation of the monitoring system according to the second embodiment.

  First, in the monitoring terminal 2, the log data unit 28 collects the detection information of the sensor units 114 to 116 and 124 to 126, and creates the log data shown in FIG. 14 (step S11). For example, the log data unit 28 collects log data for one day. At this time, in parallel with the creation of the log data, the monitoring terminal 2 may perform the operations of steps S1 to S5 shown in FIG. In this case, video data captured by the surveillance camera is displayed in the surveillance video display area 221 in the order of the camera ID corresponding to each surveillance camera.

  Next, the importance determining unit 212 determines the importance of each monitoring camera based on the log data (step S12). For example, the importance level determination unit 212 determines the importance level of the monitoring camera in descending order of the total number of detections for the past day in the log data shown in FIG. Then, the importance determining unit 212 writes the determined importance in the attribute information of the monitoring camera shown in FIG. As a result, as shown in FIG. 13, the importance of the monitoring camera 111 with the camera ID “1” is 4 and the importance of the monitoring camera 121 with the camera ID “4” is 1.

  Next, the screen creation unit 211 assigns the camera ID of the monitoring camera to the divided area based on the determined importance, and displays the video data captured by the monitoring camera in the divided area (step S13). FIG. 16 is a diagram showing a state in which camera IDs are assigned to the divided areas based on the importance shown in FIG. As shown in FIG. 16, video data of the monitoring camera 211 having the first camera ID “4” is displayed in the divided area a, and the camera ID having the sixth importance is displayed in the divided area f. The video data of the monitoring camera 112 with “2” is displayed.

  After the video data captured by the monitoring camera is displayed in the divided area, the operator switches the displayed video data captured by the monitoring camera (step S14), and performs log data creation and monitoring work. Note that switching of video data captured by the surveillance camera is substantially the same as in the first embodiment, but differs in the following points.

  In the divided area shift mode and the one-screen shift mode, the camera ID assigned to the divided area is not raised or lowered, but the importance assigned to the divided area is raised or lowered. As a result, since the camera ID assigned to the divided area changes according to the change in the importance assigned to the divided area, the video data displayed in the divided area is switched. That is, when referring to FIG. 7 to FIG. 10 in the present embodiment, the numerical value displayed in each divided area indicates not the camera ID but the importance. Other than that, the description is omitted because it is the same as the first embodiment.

  If the importance needs to be updated (Yes in step S15), the monitoring terminal 2 performs the operation of step S12 again. The importance may be updated by the operator instructing the importance determining unit 212 to update the importance via the input unit 23, or the importance determining unit 212 may update the importance at regular intervals. It may be. Thereby, since the importance of a monitoring camera can be determined based on the latest log data of the detection information of a sensor part, monitoring work can be performed efficiently.

  In the description so far, the correspondence between the area number of the divided area and the size of the divided area has not been particularly mentioned, but the importance is increased by assigning the area number in descending order of the size of the divided area. Video data captured by the surveillance camera can be enlarged and displayed. Therefore, it is possible to further improve the efficiency of monitoring work.

  As described above, the monitoring system according to the present embodiment accumulates the detection information of the sensor unit provided corresponding to the monitoring camera as log data, and determines the importance of the monitoring camera based on the log data. And the monitoring system of this Embodiment allocates camera ID to a division area based on importance. As a result, it becomes possible to preferentially display a monitoring camera with high importance installed in a place with a lot of traffic, etc. in the monitoring video display area, so that the monitoring work can be performed more efficiently.

  In this embodiment, the importance of the monitoring camera has been described as being determined by the importance determining unit 212. However, the present invention is not limited to this. For example, the operator may determine the importance directly. . As a result, video data captured by a monitoring camera arranged in a place where importance cannot be determined only by detection information of the sensor unit can be preferentially displayed in the divided areas. Note that the operator may change the importance determined by the importance determining unit 212.

  In the present embodiment, the importance of the monitoring camera is described as being determined by the importance determining unit 212 based on the log data. However, the present invention is not limited to this, and the importance determining unit determines whether the sensor The operator may determine the importance level based on the presence / absence of a sensor and the camera ID, for example, by placing the camera only at an important place. Thereby, since it is not necessary to create log data, it is possible to display video data taken by a monitoring camera arranged at an important place with a simple configuration.

  In this embodiment, the sensor unit is described as being provided. However, the present invention is not limited to this, and the video server has a motion detection function, so that a motion detection operation is performed based on video data captured by the surveillance camera. The result of motion detection may be used as log data. Thereby, log data can be created with a simpler configuration than using the sensor unit.

  In the first and second embodiments, the divided area shift mode has been described as incrementing or decrementing the camera identification number or importance assigned to each divided area one by one. However, the present invention is not limited to this. Instead, for example, two or three may be raised or lowered. As described above, in the divided area shift mode, the camera identification number or the importance assigned to the divided area may be raised or lowered according to the preset number.

  In the first and second embodiments, the monitoring camera and the sensor unit are described as being connected to the video server. However, the present invention is not limited to this, and the monitoring camera and the sensor unit are directly connected to the LAN 3. It may be configured to connect.

  In the first and second embodiments, the display area shift mode and the one-screen shift mode have been described as changing the camera ID assigned to all the divided areas. However, the present invention is not limited to this. For example, the camera ID assigned to the divided area designated by the user may be fixed, and only the camera ID assigned to the other divided areas may be changed. Thereby, since the video data photographed by the monitoring camera assigned with the specific camera ID can be always displayed, the operator can flexibly perform the monitoring work.

1 is a system configuration diagram of a monitoring system according to a first embodiment. 4 is a schematic diagram of a monitoring screen displayed on the display unit 22. FIG. It is a figure which shows an example of the attribute information of a surveillance camera. It is a figure which shows an example of the arrangement pattern of a division area. 4 is a flowchart for explaining an outline of the operation of a monitoring terminal 2; It is the schematic which shows an example of the operation button display area 222 of the monitoring screen. It is a figure explaining the change of camera ID allocated to the division area in division area shift mode. It is a figure explaining the change of camera ID allocated to the division area in division area shift mode. It is a figure explaining the change of camera ID allocated to the division area in one screen shift mode. It is a figure explaining the change of camera ID allocated to the division area in one screen shift mode. It is a figure which shows the other example of the change of camera ID allocated to a division area in division area shift mode. It is a system configuration figure of a surveillance system concerning a 2nd embodiment. It is a figure which shows an example of surveillance camera attribute information. It is a figure which shows an example of log data. It is a flowchart which shows operation | movement of the monitoring system which concerns on 2nd Embodiment. It is the figure which assigned camera ID to the division area based on importance.

Explanation of symbols

2 Monitoring terminal 3 LAN
21 Control unit 22 Display unit 23 Input unit 24, 27 Monitoring camera management unit 25 Arrangement pattern holding unit 28 Log data unit 11, 12 Video server 111, 112, 113, 121, 122, 123 Monitoring camera 114, 115, 116, 124 , 125, 126 Sensor unit 211 Screen creation unit 212 Importance determination unit

Claims (7)

Multiple surveillance cameras,
A monitoring terminal connected to the plurality of surveillance cameras via a network;
With
Each surveillance camera includes a sensor,
The monitoring terminal is:
A display unit that displays video data captured by the plurality of surveillance cameras in a display area;
An operation unit for performing operations related to the display unit;
A camera information holding unit that holds a unique camera identification number assigned to each surveillance camera;
The display area is divided into a plurality of divided areas, and the order of each monitoring camera is determined according to the number of detections by each sensor, and the camera identification of each monitoring camera is assigned to each divided area according to the determined order of each monitoring camera. A screen creation unit for assigning a number and displaying video data captured by each surveillance camera corresponding to the assigned camera identification number in each divided area;
Including
In accordance with an instruction from the operation unit, the screen creation unit changes the camera identification number assigned to each divided area based on the rank, and video data captured by each monitoring camera displayed on each divided area A monitoring system characterized by switching. The monitoring system of claim 1, further comprising:
An arrangement pattern holding unit that holds an arrangement pattern of the plurality of divided areas according to the number of divisions of the display area,
With
The screen creation unit arranges each divided area in the display area according to the selected arrangement pattern. The monitoring system according to claim 1,
In accordance with the instruction, the screen creation unit increases or decreases the rank corresponding to each divided area by the number of divisions of the display area. The monitoring system according to claim 1,
The screen creation unit increases or decreases the ranking corresponding to each divided region by a predetermined number in accordance with the instruction. The monitoring system according to claim 4, wherein
In response to the instruction, the screen creation unit assigns a camera identification number corresponding to the highest rank among camera identification numbers assigned to each divided region, and assigns a camera identification number corresponding to the lowest rank. A monitoring system characterized by allocating to divided areas. The monitoring system according to any one of claims 1 to 5 ,
The monitoring system, wherein the screen creation unit updates the rank every predetermined time. The monitoring system according to any one of claims 1 to 6 ,
Each divided area is given an area number according to the size of the area,
The screen creation unit determines the camera identification number to be assigned to each divided area based on the area number and the order.

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