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Method and device for improved chroma transformation for inter-frame in video encoding and decoding

A technology of video encoding and video encoder, which is applied in the field of video encoding and decoding, and can solve problems such as not considering the characteristics of video content

Active Publication Date: 2017-09-29
INTERDIGITAL CE PATENT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Disadvantageously, as mentioned above, this fixed transformation does not take into account the characteristics of the video content

Method used

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  • Method and device for improved chroma transformation for inter-frame in video encoding and decoding

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Embodiment Construction

[0037] The principle of the present invention relates to a method and device for improved chrominance transformation for inter-frames in video encoding and decoding.

[0038] This specification illustrates the principles of the invention. It will thus be appreciated that those skilled in the art will be able to devise various arrangements which, although not explicitly described or shown herein, embody the principles of the invention and are included within its spirit and scope.

[0039] All examples and conditional language cited herein are for teaching purposes to assist the reader in understanding the principles of the invention and the inventor's contributions to the prior art and should not be construed as being limited to the examples and conditional language specifically cited herein. condition.

[0040]Moreover, all statements herein reciting principles, aspects, embodiments, and specific examples of the invention are intended to encompass both structural and function...

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Abstract

Methods and apparatus for improved chroma transformation for inter-frames in video encoding and decoding are provided. The apparatus and method encode at least a portion of a picture using inter-coding, wherein a transform is adaptively selected from a plurality of transforms to apply to a chrominance component of the portion in response to at least one selection criterion (650, 850 , 1050).

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application Serial No. 61 / 266,537, filed December 4, 2009, the entire contents of which are hereby incorporated by reference. technical field [0003] The principles of the present invention generally relate to video encoding and decoding, and more particularly to methods and apparatus for improved chrominance transformation for inter-frames in video encoding and decoding. Background technique [0004] A general and efficient video coding method, often referred to as a block-based hybrid coding method, involves the use of block-based temporal prediction and transform coding. This method is at the heart of virtually all international video coding standards. [0005] In block-based hybrid video encoders, each picture is divided into blocks. Each block in an inter picture is coded using a combination of motion compensated prediction and transform coding. While motio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/176H04N19/46H04N19/122H04N19/61H04N19/137H04N19/186
CPCH04N19/186H04N19/122H04N19/137H04N19/176H04N19/46H04N19/61
Inventor 吕小安尹鹏郑云飞许茜乔伊·索勒
Owner INTERDIGITAL CE PATENT HLDG
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