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Retrieval method, apparatus and system for monitoring video image

A technology for monitoring video and images, applied in the field of image processing to achieve the effect of speeding up retrieval

Active Publication Date: 2008-12-24
中星智能系统技术有限公司
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  • Abstract
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Problems solved by technology

[0009] The purpose of the embodiment of the present invention is to provide a monitoring video image retrieval method, device and monitoring system, capable of retrieving images containing predetermined scenes from a large number of video images image, to solve the technical problem that the existing technology can only rely on fast forward and fast rewind for video image retrieval

Method used

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  • Retrieval method, apparatus and system for monitoring video image
  • Retrieval method, apparatus and system for monitoring video image

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, specific embodiments will be described in detail below with reference to the accompanying drawings.

[0039] The embodiment of the present invention proposes a method for quickly retrieving surveillance video content. Specifically, according to a selected location or area, all pictures corresponding to the location or area in the previously saved video data can be quickly found. The implementation method is to embed the attitude parameters of the pan / tilt into the video code stream of each frame, so that when searching in the future, it is only necessary to compare whether the attitude parameters of the pan / tilt in the code stream of each frame are consistent with the attitude parameters of the pan / tilt you want to retrieve. match.

[0040] figure 1 The flow chart of the steps of the method provided by the embodiment of the present invention, as show...

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Abstract

The invention provides a retrieval method, a device and a monitoring system of monitoring video images, wherein, the method comprises the steps as follows: posture parameters of a cloud terrace when in shooting of one picture are added in coded data of the picture for each picture shot by a video camera on the cloud terrace; a map is established for recording the corresponding relationship between the posture parameters and the framing ranges of the shot pictures under the posture parameters; and the framing range is searched according to the map to cover the picture of the scene to be searched. The posture parameters of the cloud terrace are embedded in video bit streams of each picture, as the posture parameters can determine the framing range of the picture, the framing range of each picture is accordingly marked, and all the pictures which cover the scene to be retrieved can be retrieved through the retrieval of the posture parameters.

Description

technical field [0001] The invention relates to image processing technology, in particular to a retrieval method, device and monitoring system for monitoring video images. Background technique [0002] The main function of the closed-circuit television monitoring system is to assist the security system to monitor various on-site live conditions. It enables managers to observe the situation of all important places in the control room, and provides monitoring means for fire protection, operation of various equipment in the building and personnel activities. For example, cameras are installed in important places such as entrances and exits, main passages, garages, etc., and the situation in the monitoring area is transmitted to the management center in real time in the form of images. The personnel on duty can keep abreast of the situation in these important places through the video wall. [0003] At present, the commonly used monitoring system mainly includes a camera part an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18G06F17/30
Inventor 王浩
Owner 中星智能系统技术有限公司
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