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Method of simplifying block segmentation based on depth

A technology of block segmentation and depth, applied in the field of texture coding and decoding, to achieve the effect of reducing complexity

Active Publication Date: 2015-09-16
HFI INNOVATION INC
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Another question has to do with the computational complexity and memory accesses associated with the DBBP process

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  • Method of simplifying block segmentation based on depth
  • Method of simplifying block segmentation based on depth
  • Method of simplifying block segmentation based on depth

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[0019] Certain terms are used throughout this patent specification and claims to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different terms. The patent specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" or "comprising" mentioned throughout the specification and claims are open-ended terms, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described in the text that a first device is coupled to a second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means. . ...

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Abstract

The invention provides a method of simplifying block segmentation based on a depth. The method is used in multiple view coding and decoding or three dimensional video coding and decoding. The method comprises the following steps of receiving input data related to a current texture block in a current texture picture; determining a corresponding depth block in a depth picture for the current texture block; generating a current segmentation mask from the corresponding depth block; determining a selected segmentation candidate set from one or more segmentation candidate sets comprising at least one segmentation candidate portion set, wherein segmentation candidates contained by the at least one segmentation candidate portion set is less than segmentation candidates contained by a segmentation candidate total set; based on the corresponding depth block, selecting a current block segmentation from the segmentation candidate in the selected segmentation candidate set; according to a generated current segmentation mask and the selected current block segmentation, block segmentation coding and decoding based on the depth is applied to a current texture block. By using the method in the invention, complexity and / or memory access can be reduced.

Description

technical field [0001] The present invention relates to three-dimensional (three-dimensional, 3D) and multi-view (multi-view) video coding, and in particular to texture (texture) coding using simplified depth-based block partitioning (Depth-Based Block Partitioning, DBBP). decoding. Background technique [0002] In recent years, 3D television (television, TV) has become a technological trend, which can bring a very good viewing experience to viewers. Various technologies have been developed for 3D viewing, among which multi-view video is one key technology for 3DTV in particular. Traditional video is a 2D medium that can only provide a single view of a scene from the viewer's camera angle. However, 3D video can provide an arbitrary viewpoint of a dynamic scene and provide a viewer with a sense of reality. [0003] 3D video is typically created by capturing a scene with a video camera and depth information with associated devices, or by simultaneously capturing a scene wit...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N13/00H04N19/597
CPCH04N19/119H04N19/157H04N19/1883
Inventor 张贤国林建良张凯安基程黄晗
Owner HFI INNOVATION INC
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