JP2007243522A - Image storing server and stored image distribution system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain an image storing server and a stored image distribution system which freely distribute to a reader a stored image before image processing or stored image after the image processing. <P>SOLUTION: The stored image distribution system is featured to be provided with: monitoring cameras 1a to 1c which transmit photographed images; the image storing server 2 which stores transmitted images, simultaneously establishes an image level, performs image processing to the stored images, based on a comparison test of an image level of the stored image and a reader level of a distribution destination, and distributes to the distribution destinations; and a manager control device 4 which performs the setting of the image level of the stored images and the reader level of the distribution destination. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a video storage server device and a stored video distribution system that store videos from camera devices installed on roads, rivers, and the like and distribute them to viewers.

  In the conventional video distribution system, when a private house or private company site is shown in the video captured by the camera device, a part of the video that needs privacy protection is applied to a mosaic or converted to another video. It is distributed after video processing such as performing (see, for example, Patent Documents 1 and 2).

JP 2002-27425 A JP 2004-241945 A

Since the conventional video storage server device and the stored video distribution system are configured as described above, when a private house or the like is in the video display range, the distribution image quality may be reduced from the viewpoint of privacy protection. Video processing such as conversion to video is performed and distributed. These videos are stored in the video storage server device. Accordingly, since the video stored in the video storage server apparatus has already been processed, there is a problem that the video before the video processing in which the important part is captured cannot be confirmed later.
For example, when the video display range of the place where the traffic accident occurred has already been processed, the situation at the time of the accident could not be confirmed later.

  In addition, although it is possible to store video before and after video processing, from the viewpoint of privacy protection, there is a problem that general viewers can only browse video after video processing. .

In addition, it is possible to perform multiple types of video processing on the video and store the video separately for each video processing. However, only the video after the pre-set video processing can be distributed, so a specific browsing There is a problem that the video display range that can be confirmed by the user cannot be changed and displayed freely for other viewers later.
For example, there are a viewer a group that can confirm the region called the video display range A and a viewer b group that can confirm the region called the video display range B, and two different types of video processing for the a group and the b group were performed. Assume that later images are stored. Here, when a viewer c group that can confirm the area of the video display range C is newly created, the c group can only confirm the video after the video processing for the a group or the b group. . Furthermore, this method has a problem that an accumulation area is required according to the number of video patterns (number of viewer groups) after video processing.

  In addition, a method of processing the field of view range (video display range) set based on judgment information such as camera field angle information at the time of distribution is also conceivable for the video once accumulated. However, since there is a possibility that the judgment information has changed, there is a problem that accurate video processing cannot be performed.

The present invention has been made to solve the above-described problems, and a video storage server device and a stored video that can freely distribute stored video before video processing and stored video after video processing to a viewer. The purpose is to obtain a distribution system.
In addition, when storing video, the video storage server that can easily distribute the same video as during imaging by performing video processing during video distribution by accumulating judgment information such as camera angle of view information together An object is to obtain an apparatus and a stored video distribution system.

  The stored video distribution system according to the present invention includes a camera device that transmits captured video, stores the video transmitted from the camera device, sets a video level, and browses the video level of the stored video and the distribution destination A video storage server device that performs video processing on the stored video and distributes it to a distribution destination based on a comparison determination with a user level, a video level of the video stored in the video storage server device, and a viewer of the distribution destination An administrator control device for setting a level is provided.

  According to the present invention, the video storage server device performs video processing on the stored video based on the comparison determination between the video level set by the administrator control device and the viewer level. Prioritizing privacy protection, video that needs to be confirmed can be freely viewed at the distribution destination by changing the settings of the video level and the viewer level.

Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below. FIG. 1 is a system configuration diagram of an accumulated video distribution system according to Embodiment 1 of the present invention.
In FIG. 1, the stored video distribution system includes a plurality of monitoring camera devices 1 a to 1 c, a video storage server device 2, an administrator control device 4, a plurality of viewer control devices 5a to 5c, and these devices. A network 3 connected to each other is provided.

  The monitoring camera devices 1a to 1c are camera devices including a turntable and a camera. The monitoring camera devices 1a to 1c can change pan (horizontal tilt), tilt (vertical tilt), and zoom (enlargement / reduction), and pan / tilt / zoom position information (hereinafter referred to as camera image) during imaging. (Corner information) can be transmitted to other devices. The captured video is transmitted as a video signal to the video storage server device 2 via the network 3.

  The video storage server device 2 receives video signals from the monitoring camera devices 1a to 1c and stores them as video information. Further, the stored video information is subjected to video processing as necessary, and then distributed to the administrator control device 4 and the viewer control devices 5a to 5c via the network 3. The configuration of the video storage server device 2 will be described later.

  The network 3 only needs to have an environment sufficient to transmit video signals from the monitoring camera devices 1a to 1c, control signals from the administrator control device 4, and distribution requests from the viewer control devices 5a to 5c. Specific examples include an Internet line and a LAN (Local Area Network).

The administrator control device 4 and the viewer control devices 5a to 5c are configured by a computer (including an arithmetic device, a storage device, a display device, and the like), and receive and display video information distributed from the video storage server device 2. It is a terminal.
Further, the administrator control device 4 and the viewer control devices 5a to 5c read and hold software for displaying received video information from an internal or external storage medium (storage device).
Further, the administrator control device 4 and the viewer control devices 5a to 5c have a browsing level (hereinafter referred to as a viewer level), and the viewer level is a criterion for video processing during browsing. . The viewer level may be set for each device or may be set for each user who uses the device. Each viewer level can be changed later.

Next, the operation will be described.
The monitoring camera devices 1a to 1c perform real-time imaging for monitoring road conditions and river conditions. The video obtained by the imaging is subjected to various processing (encoding processing or the like) and then transmitted to the video storage server device 2 via the network 3 as a video signal.

  The video storage server device 2 stores the video signals transmitted from the monitoring camera devices 1a to 1c, for example, as video information in time series. When the data amount of the video information exceeds the storage area, it is overwritten sequentially from the storage time in the video storage server device 2 and the imaging time in the monitoring camera devices 1a to 1c that are old or those with low importance. And accumulate.

The video storage server device 2 collects camera angle-of-view information from the monitoring camera devices 1a to 1c and stores it in synchronization with the corresponding video information. The camera angle-of-view information is information on the tilt (vertical tilt) / pan (horizontal tilt) position of the camera rotation base of each of the monitoring camera devices 1a to 1c and the zoom value of the camera. When the data amount of the camera angle-of-view information exceeds the accumulation area, the accumulation is performed by sequentially overwriting the data with the oldest accumulation time or imaging time or the less important one.
Since the video information and camera angle-of-view information are synchronized, when certain video information is overwritten, the camera angle-of-view information corresponding to the video information is also overwritten.

  The video information not processed by the video stored in the video storage server device 2 can be reproduced and displayed as needed by connecting a display device to the video storage server device 2. Also, in the event of a sudden accident or the like, the monitoring history (imaging time) is referred to, the video information near the time of occurrence is extracted from the video information stored in the video storage server device 2, and the corresponding video is displayed. Is possible.

In addition, the video storage server device 2 receives and stores the video level transmitted from the administrator control device 4 and sets it in the video information.
The “video level” is a level of privacy protection that is set in advance by the administrator control device 4 and is given to a specific video display range. The manager control device 4 can basically browse the video as it is captured by the monitoring camera device.

  The video storage server device 2 receives a distribution request from the administrator control device 4 or the viewer control devices 5a to 5c, and distributes predetermined video information to the administrator control device 4 or the viewer control devices 5a to 5c. To do. At that time, the video storage server device 2 performs video processing corresponding to the video level on the video information. Multiple stages (plural types) of video processing are prepared according to the video level.

A viewer level is set in advance in the administrator control device 4 and the viewer control devices 5a to 5c. The viewer level may be set so as to be assigned to the users of the administrator control device 4 and the viewer control devices 5a to 5c.
The “browser level” is a level of privacy protection that regulates browsing authority for videos distributed from the video storage server device 2. Since the administrator control device 4 needs to browse all the videos and set the video level, the viewer level is basically set to the highest.

The administrator control device 4 or the viewer control devices 5a to 5c (reception side) transmits the viewer level to the video storage server device 2 together with the distribution request. Then, the video information distributed from the video storage server device 2 (distribution side) is received.
When the viewer level on the receiving side is smaller than the video level, the distribution side performs video processing corresponding to the video level on the video information at the time of distribution. On the receiving side, the video after the video processing is displayed.
On the other hand, when the viewer level on the receiving side is equal to or higher than the video level, the video processing is not performed on the video information at the time of distribution on the distribution side. On the receiving side, the video before the video processing is displayed.

Next, actual video display based on the relationship between the video level and the viewer level will be described. FIG. 2 is a video display diagram in a state where video processing is performed when distributed from the video storage server device in FIG.
In FIG. 2, the video display range 6 a is a video level 0, and indicates a video display range in which no video processing is performed in a state of being captured by the monitoring camera device. The video display ranges 7 a to 9 a are video level 3 and indicate video display ranges in which video processing of video level 3 is performed by the video storage server device 2.

  Set the video level and viewer level numerically. For example, assume that the video level 3 is set to 7a to 9a in the case where the higher the numerical value, the higher the level is defined. When the viewer level preset in the viewer control devices 5a to 5c on the receiving side is 3 or more, a video that is not subjected to any video processing is displayed. On the other hand, when the viewer level preset in the viewer control apparatus is 2 or less, a video that has been subjected to video processing corresponding to video level 3 is displayed.

  A user (hereinafter referred to as an administrator) of the administrator control device 4 browses an unprocessed video distributed from the video storage server device 2. When the administrator determines that the video is not a problem for privacy protection or determines that the video contains important information such as when a traffic accident occurs, the administrator control device 4 The video level of the video stored in the video storage server device 2 can be lowered.

For example, in FIG. 2, it is assumed that a traffic accident has occurred in the portion of the video display range 10a and a part of the video display range 10a covers the video display range 7a of the video level 3. When the viewer level preset in the viewer control devices 5a to 5c is 2 or less, it is not possible to display all parts of the video display range 10a.
Here, when the administrator confirms the video and determines that it is important information that the traffic accident has occurred, the video level of the video display range 7a is lowered to 0 through the manager control device 4, thereby the viewer control devices 5a to 5a. In 5c, all parts of the video display range 10a are displayed regardless of the viewer level.

FIG. 3 is a video display diagram (during distributed video distribution) when the video level of the video display diagram of FIG. 2 is changed and the video display range for video processing is lowered. The positions of the video display ranges 6b to 10b in FIG. 3 correspond to the positions of the video display ranges 6a to 10a in FIG.
In FIG. 3, since the video level of the video display range 7b is set to 0, even when the viewer level of the browser control devices 5a to 5c is 0, it is possible to check the video of all parts of the video display range 10b.

If the administrator of the administrator control device 4 confirms the video and determines that there is no problem in privacy protection, the video level of each area is lowered. By doing so, the viewer control devices 5a to 5c can display an image of an area that could not be confirmed so far.
For example, in FIG. 3, the administrator confirms the video display ranges 8 a and 9 a of the video level 3 and determines that there is no privacy problem, and the video display range 8 b of the video level 2 and the video level are determined through the administrator control device 4. 1 video display range 9b.

  In the above example, both the video level and the viewer level have a higher level as the numerical value is larger, but may be higher as the numerical value is smaller. In addition, although the level division stages are exemplified only from 0 to 3, the number of setting stages is arbitrary.

  The viewer control devices 5a to 5c are connected to the network 3 by copying and storing the video stored in the video storage server device 2 on a storage medium such as a digital video disc (DVD) or a compact disc (CD). Even if not, it is possible to check the video and improve user convenience. Further, when copying the stored video, it is possible to protect the privacy by copying the video information that has been processed based on the viewer level of the browser control devices 5a to 5c.

As described above, according to the first embodiment, in the video storage server device 2, the video is based on the comparison determination between the video level set by the administrator control device 4 and the viewer level for the stored video. Since processing is performed, privacy protection is prioritized during normal times, and videos that need to be confirmed can be freely browsed by the viewer control devices 5a to 5c by lowering the video level or raising the viewer level. it can.
Moreover, since the camera angle-of-view information is also distributed when distributing the stored video, it is possible to provide information as to which direction in the monitoring area the monitoring camera devices 1a to 1c are monitoring.

Embodiment 2. FIG.
The second embodiment of the present invention will be described below. In the second embodiment, the configuration and operation of the video storage server device 2 incorporated in the stored video distribution system according to the first embodiment will be described. Therefore, description of the configuration and operation of the entire stored video distribution system is omitted.

4 is an internal block diagram of the video storage server device (in FIG. 1) according to Embodiment 2 of the present invention.
In FIG. 4, the video storage server device 2 includes a video storage unit 11, a camera field angle information collection unit 12, a video information management unit 13, a distribution request reception unit 14, a video processing unit 15, and a video distribution unit 16. It has.

Next, the operation will be described.
The video storage unit 11 receives video signals transmitted from the monitoring camera devices 1a to 1c, and stores them as video information as needed.
The camera angle-of-view information collection unit 12 receives the camera angle-of-view information transmitted from the monitoring camera devices 1a to 1c and accumulates it in synchronization with the corresponding video information. The camera angle-of-view information collection unit 12 collects camera angle-of-view information transmitted as needed from the monitoring camera devices 1a to 1c. Alternatively, the camera angle-of-view information collection unit 12 periodically transmits a transmission request to the camera devices 1a to 1c, and collects the camera angle-of-view information transmitted from the camera devices 1a to 1c in response to the transmission request. It may be.

The video information management unit 13 sets / changes the video level of the stored video according to the setting from the administrator control device 4. Specifically, the video level transmitted from the administrator control device 4 is stored, and the video level is set for the video information stored in the video storage unit 11.
FIG. 5 is a diagram illustrating how the video information management unit changes the video level of the video information stored in the video storage unit in FIG.
In FIG. 5, the stored video 31 is stored at any time in the video storage unit 11. On the other hand, the video level 32a is set by the video information management unit 13. The video level 32 a is a video level at the time of video accumulation, and is set and managed by the video information management unit 13 based on the camera field angle information collected and accumulated by the camera field angle information collection unit 12. The video level 32 a is set for all of the stored videos 11. In FIG. 5, the video level is set at intervals of 1 second, but this setting interval may be larger or smaller than 1 second, and the video level may be set for each frame.

The video level newly set / changed by the administrator control device 4 with respect to the video level 32a at the time of video accumulation is referred to as a video level 32b. The administrator control device 4 can check the stored video 11 at any time, and when the administrator checks the stored video 31 and determines that there is no problem in privacy protection, a sudden accident such as a traffic accident has occurred. In some cases, a new video level 32b is set.
As an example, in FIG. 5, the video level for 5 seconds from 17:00:08 to 17:00:12 in the thick line frame is all changed to “0”. By setting the video level for 5 seconds to 0, even if the viewer level of the browser control devices 5a to 5c is 0, all the videos for the same 5 seconds can be browsed.

  The distribution request receiving unit 14 receives distribution video distribution requests transmitted from the administrator control device 4 or the viewer control devices 5a to 5c. The distribution request receiving unit 14 manages the browsing history information regarding the stored video browsed by each device by leaving a record of receiving the distribution request from the administrator control device 4 or the viewer control devices 5a to 5c. .

The video processing unit 15 performs video processing by comparing the viewer level of these devices transmitted from the administrator control device 4 and the viewer control devices 5a to 5c with the video level set for the stored video. FIG. 6 is a flowchart showing a processing sequence of the video processing unit in FIG.
In FIG. 6, the video processing unit 15 performs a comparison determination between the viewer level of the administrator control device 4 or the viewer control devices 5a to 5c and the video level (step ST601).
In step ST601, if the viewer level is lower than the video level, video processing corresponding to the video level is performed on the stored video (step ST602).
On the other hand, in step ST601, when the viewer level is equal to or higher than the video level, video processing is not performed on the stored video.

  The video distribution unit 16 stores the stored video processed by the video processing unit 15 or the unprocessed storage with respect to the administrator control device 4 and the viewer control devices 5a to 5c that have received the distribution request by the distribution request receiving unit 14. Deliver video.

As described above, according to the second embodiment, in the video processing unit 15, the video level and the viewer level set by the administrator control device 4 with respect to the video information stored in the video storage unit 11. Since the video processing is performed based on the comparison judgment, privacy protection is prioritized in normal times, and the video that needs to be confirmed is lowered (up the viewer level) by the viewer control devices 5a to 5c. Can be viewed.
In addition, when the accumulated video is distributed from the video distribution unit 16, the camera angle of view information accumulated by the camera angle of view information collecting unit 12 is also distributed, so that the monitoring camera devices 1a to 1c can detect which of the monitoring areas. Information about whether the direction is being monitored can also be provided.

1 is a system configuration diagram of an accumulated video distribution system according to Embodiment 1 of the present invention. FIG. FIG. 2 is a video display diagram in a state where video processing is performed when distributed from the video storage server device in FIG. 1. FIG. 3 is a video display diagram (at the time of stored video distribution) when the video level of the video display diagram of FIG. 2 is changed and the video display range for video processing is lowered. It is an internal block diagram of the image | video accumulation | storage server apparatus (in FIG. 1) which concerns on Embodiment 2 of this invention. FIG. 5 is a diagram showing how the video information management unit changes the video level of the video information stored in the video storage unit in FIG. 4. It is the flowchart which showed the processing sequence of the image | video process part in FIG.

Explanation of symbols

1a to 1c surveillance camera device, 2 video storage server device, 3 network, 4 administrator control device, 5a to 5c viewer control device, 6a to 10a video display range, 6b to 10b video display range, 11 video storage unit, 12 camera view angle information collection unit, 13 video information management unit, 14 distribution request reception unit, 15 video processing unit, 16 video distribution unit, 31 stored video, 32a video level, 32b video level.

Claims (4)

A camera device that transmits the captured image; and
The video transmitted from the camera device is accumulated and the video level is set, and the accumulated video is subjected to video processing based on the comparison determination between the video level of the accumulated video and the viewer level of the distribution destination. A video storage server device for distribution to a distribution destination;
A stored video distribution system comprising: an administrator control device for setting a video level of video stored in the video storage server device and a viewer level of a distribution destination.   2. The stored video distribution system according to claim 1, wherein the video storage server device stores camera angle-of-view information transmitted from the camera device and distributes the same together with the corresponding video. A video storage unit for storing video transmitted from the camera device;
A video information management unit that stores the video level transmitted from the administrator control device and sets the video level stored in the video storage unit;
A video processing unit that performs video processing on the video to be distributed to the distribution destination based on a comparison determination between the viewer level of the distribution destination and the video level set for the video in the video information management unit;
A video storage server device comprising: a video distribution unit that distributes the video processed by the video processing unit to a distribution destination. A camera angle-of-view information collection unit that accumulates camera angle-of-view information transmitted from the camera device;
The video storage server device according to claim 3, wherein the video distribution unit distributes camera angle-of-view information together with the corresponding video.

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