3D quality scalable video coding method based on HEVC

A 3D-HEVC, 3D technology, applied in the field of HEVC-based 3D quality scalable video coding, can solve problems such as unreliable networks and network heterogeneity

Active Publication Date: 2014-08-27
常州横塘科技产业有限公司
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Problems solved by technology

[0008] This paper proposes a quality scalable method to solve the problems o

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  • 3D quality scalable video coding method based on HEVC
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  • 3D quality scalable video coding method based on HEVC

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[0043] Various aspects are now described with reference to the figures. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more aspects. It may be evident, however, that such aspects can be practiced without these specific details.

[0044] As used in this application, the terms "component", "module", "system" and the like are intended to refer to a computer-related entity such as, but not limited to, hardware, firmware, a combination of hardware and software, software, Or software in execution. For example, a component may be, but is not limited to being limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and / or a computer. For example, both an application running on a computing device and the computing device can be components. One or more components can reside within a process and / or thread of execution ...

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Abstract

The invention provides a quality scalable method for solving the problems of network isomerism and the unreliable network encountered in 3D video coding, and discloses a 3D quality scalable video coding method based on HEVC. According to the scheme, the following two situations are considered; firstly, in order to obtain a higher compression ratio, it is kept that 3D quality scalable video coding is compatible with HEVC, meanwhile, interlayer structure prediction (also known as interlayer reconstruction prediction) is introduced to remove interlayer redundancy, and the interlayer structure prediction processes a video image and a depth image and predicts an enhancement layer by carrying out up-sampling on a reconstruction block of a base layer; secondly, as the depth image has the characteristic of smooth blocks and sharp edges, a special interlayer undistorted prediction method is provided so as to further eliminate interlayer redundancy. The data dependence on the enhancement layer by the interlayer undistorted prediction is reduced through data of an undistorted block of the base layer so that the code rate can be decreased. The interlayer undistorted prediction comprises the two situations including interlayer undistorted intra-frame prediction and interlayer undistorted simple depth coding prediction (namely the interlayer undistorted SDC prediction).

Description

[0001] joint research [0002] This application is jointly researched by North China University of Technology and Information Institute of Beijing Jiaotong University, and supported by the following funds: National Natural Science Foundation of China (No.61103113, No.60903066), Beijing Municipal Higher Education Intensification Program for Talents (PHR201008187); Natural Science Foundation of Jiangsu Province (BK2011455), Natural Science Foundation of Beijing (No.4102049), New Teacher Fund of the Ministry of Education (No.20090009120006); National 973 Program (2012CB316400), Basic Research Fund of Central Universities (No.2011JBM214). technical field [0003] The present invention relates to the field of digital video processing, more specifically to High Efficiency Video Coding (HEVC), and more specifically to a HEVC-based 3D quality scalable video coding method and device. Background technique [0004] With the rapid development of the video service field, people pay more ...

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Application Information

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IPC IPC(8): H04N19/597H04N19/147H04N19/105H04N19/29H04N19/103
Inventor 张萌萌路洪运
Owner 常州横塘科技产业有限公司
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