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Video processing system based on cooperative grouping mechanism

A video processing and grouping technology, applied in CCTV systems, transmission systems, televisions, etc., can solve the problems of transmission delay, waste of computing resources, transmission rate, etc.

Active Publication Date: 2017-10-10
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0006] Aiming at the above defects or improvement needs of the prior art, the present invention provides a video processing system based on a cooperative group mechanism, the purpose of which is to form a cooperative group and video block scheduling by utilizing the cooperative processing of edge nodes The mechanism can effectively improve the accuracy of object detection, and solve the calculation delay caused by the video processing of the local camera node, the transmission delay caused by the video processing of the remote server, and the calculation of redundant edge nodes in the non-cooperative processing mechanism. Subtask scheduling problems caused by waste of resources and differences in transmission rates

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[0053] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0054] Such as figure 1 As shown, the framework of the present invention includes a camera node 1, an edge node 2, an edge node 3, an edge node 4, and a server node 5, wherein the edge node 2 and the edge node 3 are in the same cooperation group.

[0055] The camera node 1 is used to capture the video signal, divide the video signal into smaller video blocks, and give the corresponding cooperat...

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Abstract

The invention discloses a video processing system based on a cooperative grouping mechanism and belongs to the field of video wireless communication. The system disclosed by the invention comprises a camera node, an edge node and a server node, wherein a control module of the server node forms a cooperative group through a channel condition and computing ability information of the edge node received based on a relationship between an average video code rate and an object sensing precision by means of cooperative processing of the edge node and constructs a video block scheduling mechanism, so that the object sensing precision is effectively improved; and meanwhile, problems of a computing delay due to camera node processing, a transmission delay due to far end server processing, computing resource waste of residual edge nodes in a non-cooperative processing mechanism and sub task scheduling due to difference of transmission rates are solved.

Description

technical field [0001] The invention belongs to the field of wireless video communication, and more specifically relates to a video processing system based on a cooperative group mechanism. Background technique [0002] In recent years, with the rapid development of communication and network technologies, such as wireless sensor networks, short-range wireless communication, and 4G / 5G cellular communication, the Internet of Things is becoming a mechanism that enables objects and humans to interact in smart cities and homes . As a rising type of IoT, the multimedia IoT system integrates image processing, computer vision and network, including two main parts of camera nodes and IoT servers, and has been widely used in monitoring, automatic behavior analysis and event detection. Common multimedia IoT system processing frameworks are divided into two types, one is a traditional video processing framework, and the other is a video processing framework based on edge computing. Bo...

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Application Information

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IPC IPC(8): H04N7/18H04L29/06H04L29/08H04W84/18
CPCH04L67/12H04N7/181H04W84/18H04L65/762H04L65/765
Inventor 曹洋龙长春江涛
Owner HUAZHONG UNIV OF SCI & TECH
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