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Monitoring system and video data storage method

A video data and monitoring system technology, applied in closed-circuit television systems, digital video signal modification, television, etc., can solve the problem of occupying a large storage space and achieve the effect of reducing storage space

Inactive Publication Date: 2012-10-31
FU TAI HUA IND SHENZHEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the same frame occupies the same storage space as the changed frame when it is stored on the hard disk, it will take up a lot of storage space

Method used

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  • Monitoring system and video data storage method
  • Monitoring system and video data storage method
  • Monitoring system and video data storage method

Examples

Experimental program
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Embodiment Construction

[0020] Please also refer to figure 1 and figure 2 , a method for storing video data, used for storing video recordings captured by the monitoring system 100 . The video monitoring system 100 includes a camera unit 101 , an encoder 102 , a data transmission unit 103 and a monitoring center 104 . The camera unit 101 is used to capture video recordings of monitoring locations, such as banks, warehouses and other places. The encoder 102 is used to encode the video recording captured by the camera unit 101 so that the video recording is transmitted to the monitoring center 104 after passing through the data transmission unit 103 . In this embodiment, the encoder 102 encodes the video recording into a frame sequence for transmission. Since in an actual application scenario, most of the time, the video recording captured by the camera unit 101 is the same, therefore, it is not necessary to save all the video data. In this video data storage method, by comparing whether the numbe...

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Abstract

The invention relates to a video data storage method which comprises the following steps: receiving and caching an encoded video data; decoding the video data, thereby obtaining a frame sequence, wherein each frame at least comprises an image data and a frame number; judging if two adjacent frames are same; if the two adjacent frames are same, storing one of the two frames and adding 1 to the frame; and if the two adjacent frames are different, simultaneously storing the two frames. The invention also provides a monitoring system. By virtue of the video data storage method and the monitoring system, the storage space occupied by the video data is reduced.

Description

technical field [0001] The invention relates to video data storage, in particular to a method for storing surveillance video. Background technique [0002] At present, digital video surveillance is widely used in unattended factories, important public places, etc. In the process of real-time monitoring, the video images collected by the camera are converted and transmitted to the video surveillance center and stored on the hard disk to ensure the security of the image data. reliability and security. [0003] However, in the real-time monitoring process, abnormal or dynamic events do not often occur, and a large part of the video captured by the camera is about static things. Therefore, there are many frames in the captured video that do not change continuously, that is, there are many identical frames. Since the same frame occupies the same storage space as the changed frame when it is stored in the hard disk, it will occupy a large amount of storage space. Contents of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N7/26
CPCH04N19/00575H04N7/26H04N7/18H04N7/185H04N19/503
Inventor 郑章永张俊伟王崇任罗碧青张巨元陆欣翁世芳
Owner FU TAI HUA IND SHENZHEN