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A biomimetic long-term storage method for surveillance video

A technology for monitoring video and storage method, applied in the direction of closed-circuit television system, etc., can solve the problems of difficult to obtain content, inability to quickly and automatically retrieve keywords, and low video retrieval rate.

Active Publication Date: 2020-10-23
广州中元软件有限公司
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AI Technical Summary

Problems solved by technology

[0003] In the preservation of traditional video surveillance, the video is stored in its original form, because the retrieval rate of video three months ago is relatively low, in order to save costs, usually only the video within three months can be saved
Moreover, it is difficult to obtain the required content in the huge video data, and video recordings are different documents, which cannot be quickly and automatically retrieved by keywords

Method used

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  • A biomimetic long-term storage method for surveillance video

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Embodiment 1

[0019] see figure 1 , a bionic long-term storage method for monitoring video, at a preset time point or time period after the monitoring video is recorded, the recorded monitoring video is synchronously or successively reduced in number of frames, pixels reduced, gray scaled in color, And index the events in the surveillance video in the form of text.

[0020] Generally speaking, in the above-mentioned processing operations, the frame number reduction processing, pixel reduction processing, color grayscale processing, and indexing operations are divided into successive operations; frame number reduction processing, pixel reduction processing, color Any operation of grayscale processing can be performed first, but preferably, the events in the surveillance video should be indexed first in the form of text, because in video surveillance, there are too many events recorded in one day, and it should be When the quality of the surveillance video is the best, the image is analyzed ...

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Abstract

The invention belongs to the field of video monitoring, A method for bionic long-term preservation of monitoring video includes synchronously or successively reduce frame number, pixel reduction, color gray level, and indexing events in monitor video in text form at preset time point or time period after monitoring video is recorded. The advantage of the method is that the old surveillance video is processed by subtracting frame, decoloring and condensing number, and the surveillance video is processed with different strength according to the need or according to the long-distance of time, andthe existing surveillance video is better than no surveillance video at all even if it is blurred. Surveillance video can be saved for a longer period of time in the same storage space. With the helpof event-based document retrieval, it can quickly locate the time of monitoring video by document keyword retrieval.

Description

technical field [0001] The invention relates to the field of video monitoring, in particular to a bionic long-term storage method for monitoring video. Background technique [0002] With the continuous development of technology, the number of surveillance cameras is getting higher and higher, and the number of frames is also increasing, requiring more and more storage space and more and more storage space. [0003] In the preservation of traditional video surveillance, the video is stored in its original form, because the retrieval rate of video three months ago is relatively low, and in order to save costs, usually only the video within three months can be saved. Moreover, it is difficult to obtain the required content in the huge video data, and video recordings are different documents, which cannot be quickly and automatically retrieved through keywords. Contents of the invention [0004] The purpose of the present invention is to provide a bionic long-term storage met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18
CPCH04N7/18
Inventor 林民豪梁文伟
Owner 广州中元软件有限公司
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