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Stereoscopic image compression method based on interest depth

A compression method and stereoscopic image technology, applied in the field of video coding and decoding, can solve the problems of unsatisfactory coding and decoding technology, and achieve the effect of effective use of code rate, easy implementation, and simple method

Active Publication Date: 2012-11-28
深圳市凌云视迅科技有限责任公司
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Problems solved by technology

Codec technology, especially multi-view codec technology is not ideal

Method used

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  • Stereoscopic image compression method based on interest depth
  • Stereoscopic image compression method based on interest depth

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Embodiment Construction

[0050] The depth-of-interest-based stereoscopic image compression of the present invention will be described in detail below with reference to the embodiments and the accompanying drawings.

[0051] The present invention is an image compression method based on depth of interest. According to the existing depth information, selective quantization is performed on the sensitive part of the human eye to improve the overall coding efficiency. Coding of the image of interest is a method of sub-regional coding according to the sensitivity of the human eye. However, the image is divided into blocks during encoding, which makes the transition between the area of ​​interest and the area of ​​​​non-interest very blunt, which requires preprocessing before encoding and decoding.

[0052] Therefore, the technical solution of the present invention is: to preprocess the image, and use bilateral filtering to smooth the part that is not sensitive to human eyes according to the depth difference...

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Abstract

The invention belongs to the field of video coding and decoding and aims to provide a coding mode so as to meet the human eye requirements as much as possible to remove redundancy. The technical scheme is that the stereoscopic image compression method based on interest depth comprises the following steps of: preprocessing an image, and smoothing non-sensitive human eye parts according to different depths by using bilateral filtering; coding the preprocessed image, giving different quantization parameters to parts with different sensitivities by employing an intra-frame coding part of video coding and decoding standard high efficiency video coding (LEVC), and distributing high code rate for an area with the interest depth for performing high-quality coding, and acquiring a sharp image; and distributing a low code rate for an area without the interest depth for performing low-quality coding. The stereoscopic image compression method is mainly applied to video coding and decoding.

Description

technical field [0001] The invention belongs to the field of video coding and decoding, especially the technology of intra-frame coding and decoding. A method involving re-exposure processing of an image. The encoding is based on the improvement of High Efficiency Video Coding (HEVC), which makes the subjective effect better at the same bit rate. In particular, it relates to depth-of-interest-based stereoscopic image compression methods. Background technique [0002] Multi-viewpoint video is collected by multiple imaging devices from different viewpoints on dynamic 3D scenes, and contains rich scene information to meet users' needs for realism and immersion. Currently, there are two data formats for multi-view video: one is multi-view video (Multi-view video); the other is multi-view video plus corresponding depth information (Multi-view video plus depth). The former is the most simple and direct multi-view video data format, and the latter, as an extended format suppleme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N13/00H04N7/26H04N19/597
Inventor 杨敬钰陈铖李坤
Owner 深圳市凌云视迅科技有限责任公司
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