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Method and device for encoding/decoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel

A technology of image unit and chroma channel, applied in the field of image/video encoding and decoding

Active Publication Date: 2018-09-28
INTERDIGITAL VC HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] This solution results in completely separate luma and chroma coding trees, respectively obtained by splitting luma and chroma units in relation to image units, but at the cost of additional signaling

Method used

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  • Method and device for encoding/decoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel
  • Method and device for encoding/decoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel
  • Method and device for encoding/decoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel

Examples

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Embodiment Construction

[0041] The present principles will be described more fully hereinafter with reference to the accompanying drawings, examples of which are shown. The present principles may, however, be implemented in many alternative forms and should not be construed as limited to the examples set forth herein. Therefore, while the present principles are susceptible to various modifications and alternative forms, specific examples thereof are shown by way of illustration in the drawings and will be described in detail herein. It should be understood, however, that there is no intent to limit the principles to the particular forms disclosed, but on the contrary, the disclosure is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the principles as defined by the claims.

[0042]The terminology used herein is for the purpose of describing particular examples only and is not intended to be limiting of the present principles. As used herein, the singu...

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PUM

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Abstract

The present principles relates to a method for encoding an image unit comprising image data represented by a luminance channel and at least one chrominance channel, the method comprising obtaining a luma coding-tree by splitting a luminance unit representative of the luminance channel of said image unit and obtaining a chroma coding-tree by splitting a chrominance unit representative of at least one chrominance channel of said image unit. The method is characterized in that obtaining said chroma coding-tree comprises: - determining whether said chroma coding-tree and said luma coding-tree areidentical; and - signaling an information data indicating whether said chroma coding-tree and said luma coding-tree are identical.

Description

technical field [0001] The present principles generally relate to image / video encoding and decoding. Background technique [0002] This section is intended to introduce the reader to various aspects of technology, which may be related to various aspects of the present principles that are described and / or claimed below. It is believed that this discussion helps to provide the reader with background information for a better understanding of various aspects of this principle. Accordingly, it should be understood that these statements are to be read in this light, and not as admissions of prior art. [0003] In the following, image data contains one or several arrays of samples (pixel data) in a specific image / video format that for example specifies all information related to the pixel values ​​of an image (or video) and can be defined by All information used by a display and / or any other device to visualize and / or decode an image (or video). [0004] The image data comprises...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/176H04N19/70H04N19/119H04N19/147H04N19/186
CPCH04N19/186H04N19/119H04N19/147H04N19/176H04N19/70H04N19/96
Inventor F.厄本F.加尔平T.波里尔F.勒黎安奈克
Owner INTERDIGITAL VC HLDG INC