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BCIM-based 3D-HEVC rapid intra-frame predication scheme

An intra-frame prediction, 3D technology, applied in the field of image processing, can solve the problems of virtual viewing angle, large complexity, multi-time and so on

Active Publication Date: 2014-05-21
常州横塘科技产业有限公司
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  • Abstract
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Problems solved by technology

However, the introduction of the DMM brings considerable complexity
DMM needs to select the best segmentation mode in the boundary segmentation mode list, and this search process will consume a considerable amount of time
As shown in Table 1, the maximum size of the boundary segmentation mode list can reach 368, which will greatly increase the coding complexity
Although the depth image will not be seen by the user, it has a great influence on the composition of the virtual perspective

Method used

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Embodiment Construction

[0056] 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.

[0057] 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 discloses a BCIM-based 3D-HEVC rapid intra-frame predication method. The BCIM-based 3D-HEVC rapid intra-frame predication method comprises the following steps of: inputting a 3D video stream containing a video image and a depth image; carrying out a histogram analysis on the depth image, and acquiring a plurality of main pixels and the quantity of the plurality of main pixels on the basis of the histogram analysis; processing the plurality of main pixels by a threshold segmentation method so as to obtain a basic pixel value; carrying out index mapping on the depth image by virtue of a lookup table on the basis of the basic pixel value; re-mapping the image after being subjected to the index mapping processing on the basis of a multi-context mode; carrying out entropy coding on the re-mapped image.

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 image processing, more specifically to High Efficiency Video Coding (HEVC), and more specifically to a method and device for a 3D-HEVC fast intra prediction scheme based on BCIM in HEVC. Background technique [0004] In April 2010, the two major international video coding st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/597H04N19/593H04N19/176H04N19/105
Inventor 张萌萌邱圣辉白慧慧
Owner 常州横塘科技产业有限公司
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