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Video encoding method based on movement object detection

A technology for moving objects and video coding, which is applied in the fields of digital video signal modification, television, and image data processing, etc., and can solve problems such as inability to provide useful information.

Active Publication Date: 2008-12-10
华雁智能科技(集团)股份有限公司
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  • Description
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AI Technical Summary

Problems solved by technology

However, in intelligent monitoring systems, video conferencing, and videophones, in static areas, each frame cannot provide more useful information, and the code stream data formed due to noise or slight changes in the environment occupies a large part of the video code. a large part of the flow

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  • Video encoding method based on movement object detection
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  • Video encoding method based on movement object detection

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Embodiment Construction

[0039] The video encoding method based on moving object detection of the present invention is suitable for encoding based on inter-frame prediction and transform encoding techniques such as MPEG-4, H.264 / AVC, AVS, H.263, MPEG-2, etc., and can improve encoding efficiency. Below, describe the present invention in detail in conjunction with accompanying drawing 1 to 6:

[0040] The overall encoding framework of the video encoding method based on moving object detection is shown in Figure 1. The overall encoding framework is based on the original mixed video encoding frameworks such as MPEG-4, H.264 / AVC, AVS, H.263, and MPEG-2. On the basis, a still area filter unit, a moving object detection unit and a background image reference frame unit are added. After the current frame is detected by the moving object detection unit, it is divided into a moving area and a static area. The static area filtering unit only performs inter-frame filtering on the static area, and does not filter t...

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Abstract

The invention discloses video encoding method based on moving target detection, detecting the image into the moving area and static area according to the detecting result and using one or more than one methods to process the encoding treatment for the image in the static area; b, processing the pre-treatment for the static area image; c, generating a background as the increased reference image. The invention is a method adding the moving target detecting unit in a mixing code frame; the characteristic is reducing the code flow of the compressed full image under the condition of not reducing the image quality of the mobile area and enhancing the efficiency of the video transmission and storage.

Description

technical field [0001] The invention belongs to the field of digital video coding and digital video analysis, in particular to a method for improving video coding performance by utilizing video detection results. Background technique [0002] Video surveillance is an important part of the security industry. With the expansion of the scale of the video surveillance system and the increasing number of surveillance sites, the data accumulated by long-term monitoring is very large, and it takes a huge cost to store and retrieve the data. Therefore, it is necessary to efficiently compress the video information and effectively use the network. resources, reducing the storage capacity and complexity of data storage devices. [0003] For large-scale video surveillance systems, due to limited resources such as manpower, venues, and equipment, it is impossible to monitor all videos online. It is necessary to use moving target video detection and alarm technologies to assist manual mo...

Claims

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Application Information

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IPC IPC(8): H04N7/26H04N7/50G06T7/20G06T7/215H04N19/61
Inventor 唐慧明杨名鲍庆洁卢超虞露刘云海
Owner 华雁智能科技(集团)股份有限公司
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