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Video monitoring system based on AVS

A technology of video surveillance system and video data, applied in closed-circuit television system, transmission system, digital video signal modification and other directions, can solve the problem of video data transmission limitation and so on

Active Publication Date: 2010-09-29
中星智能系统技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the AVS standard only stipulates the codec of audio and video, and does not limit how the encoded video data is transmitted in the network.
At the same time, only audio and video data cannot be used for video surveillance.

Method used

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  • Video monitoring system based on AVS
  • Video monitoring system based on AVS

Examples

Experimental program
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Embodiment Construction

[0024] The invention realizes the monitoring video and audio network communication based on the IP data packet. IP packets pass data between different devices through the network, the most commonly used is the client-server model.

[0025] In a specific embodiment, preferably in the application layer, the existing AVS standard includes audio coding and video coding, so audio data and video data are generated synchronously. In the field of video surveillance, simple audio coding and video coding cannot complete the monitoring well. Because in the process of monitoring, it is necessary to add other auxiliary information, such as motion detection, alarm information and so on.

[0026] However, these information cannot be simply sent to the transport layer for packaging and transmission, because in the field of video surveillance, any monitoring information such as motion detection information, alarm information, etc. must be well synchronized with audio and video data to accurat...

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PUM

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Abstract

The invention discloses an AVS-based video monitoring system. The video monitoring system comprises an application layer completing the function defined by the user by using a network and the protocol thereof. The application layer comprises a video coder used for coding video data collected by a camera head, and generating video data flow lines after the coding; a coprocessor used for processingthe video data collected by the camera head, and obtaining the additional information required by the users to generate metadata; a managing and controlling module used for packaging the video data flow lines and the metadata, and performing synchronous and uniform managing and controlling operation. The system is used for performing video monitoring, motion detection and alarming, etc. and can be transmitted through the network, therefore being more suitable for the requirement on video monitoring.

Description

technical field [0001] The invention relates to the improvement of the AVS system, in particular to an AVS-based video surveillance system. technical background [0002] The AVS standard is an advanced video and audio coding technology standard with independent intellectual property rights in my country, but it is a technical standard for professional radio and television applications, and it is not suitable for direct security applications. Because the application environment and conditions of security video surveillance are relatively harsh, it usually needs to work 24 hours a day under all-weather conditions, and has high requirements for the reliability, safety, electromagnetic compatibility, and environmental adaptability of the equipment (or system). The requirements of acquisition, transmission, exchange, control, display, storage, playback and other links are not exactly the same as those of professional TV. Therefore, it is necessary to specially form advanced code...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18H04N7/26H04N7/52H04L29/06H04N19/156H04N19/70H04N19/85
Inventor 陈羚
Owner 中星智能系统技术有限公司