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Stereo video bitrate control method based on binocular vision characteristic

A technology of stereoscopic video and binocular vision, which is applied in television, electrical components, image communication, etc., and can solve problems such as undetermined left and right channel code rate allocation schemes, etc.

Active Publication Date: 2013-11-13
NINGBO UNIV
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Problems solved by technology

However, these models can only describe the relationship between the code rate and quantization parameters in a single channel, and do not determine the code rate allocation scheme between the left and right channels

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  • Stereo video bitrate control method based on binocular vision characteristic
  • Stereo video bitrate control method based on binocular vision characteristic
  • Stereo video bitrate control method based on binocular vision characteristic

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Embodiment Construction

[0042] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the following specific embodiments.

[0043] A stereoscopic video rate control method based on binocular vision characteristics proposed by the present invention, its overall realization block diagram is as follows figure 1 As shown, the method controls the bit rate of the stereoscopic image group layer, the stereoscopic image pair layer, and the frame layer respectively. At the stereoscopic image group layer, the target bit number of each stereoscopic image group is calculated and the key frame Quantization parameters; in the stereo image pair layer, calculate the target bit number of each stereo image pair according to the remaining bit number and buffer saturation; in the frame layer, according to the binocular visual masking effect of the human eye, the stereo index bit rate and Quantize the paramet...

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Abstract

The invention discloses a stereo video bitrate control method based on a binocular vision characteristic. The method is characterized in that bitrate control is conducted on a stereo image group layer, a stereo image pair layer and a frame layer respectively; in the stereo image group layer, the bit number of each stereo image group and a quantization parameter of a key frame are calculated; in the stereo image pair layer, the target bit number of each stereo image pair is calculated according to the surplus bit number and the buffer area saturation; in the frame layer, a stereo index bitrate and quantization parameter model is built according to the human eye binocular vision masking effect to optimize a stereo rate distortion model to enable more target bits to be distributed in a left image and fewer target bits to be distributed in a right image, and finally the quantization parameters of non key frames can be determined. The method has the advantage of effectively improving stereo video objective quality and rate distortion performance.

Description

Technical field: [0001] The invention relates to a multi-viewpoint video code rate control technology, in particular to a stereoscopic video code rate control method based on binocular vision characteristics. Background technique: [0002] With the rapid development of multimedia communication technology and the continuous improvement of people's visual needs, stereoscopic video is gradually entering people's lives. Compared with the traditional two-dimensional video technology, the stereoscopic video technology can use the binocular vision principle of the human eye to bring people a strong sense of depth and interactivity, and meet people's requirements for the realism of the video. With the advancement of stereoscopic video technology, its research scope has covered various applications from wide-screen entertainment applications, remote stereoscopic video conferencing to precision instrument detection, but compared with traditional single-channel video, stereoscopic vide...

Claims

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Application Information

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IPC IPC(8): H04N7/26H04N17/00
Inventor 蒋刚毅廖义郁梅彭宗举邵枫
Owner NINGBO UNIV
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