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Syntax prediction using reconstructed samples

A technology of pixels and syntax elements, applied in image communication, digital video signal modification, electrical components, etc., can solve the problem of low accuracy

Active Publication Date: 2020-07-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, such motion estimation may be less accurate

Method used

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  • Syntax prediction using reconstructed samples
  • Syntax prediction using reconstructed samples
  • Syntax prediction using reconstructed samples

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Embodiment Construction

[0080] In the following description, reference is made to the accompanying drawings which form a part hereof and which show, by way of illustration, certain aspects of embodiments of the invention or with which embodiments of the invention may be used. It is to be understood that the embodiments of the present invention may be utilized in other respects and include structural or logical changes not depicted in the figures. Accordingly, the following detailed description is not to be taken as limiting, but the scope of the present invention is defined by the appended claims.

[0081] It can be understood that the content related to the described method is also applicable to the corresponding apparatus, equipment or system for performing the method, and vice versa. For example, if one or more specific method steps are described, the corresponding device may include one or more units, such as functional units, for performing the described one or more method steps (for example, pe...

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Abstract

The present disclosure relates to encoding and decoding of signal and syntax elements to / from a bitstream. In the encoding / decoding, semantics for the syntax elements is derived in accordance withpreviously decoded signal samples. Such encoding / decoding is applicable for instance to a video or audio signal.

Description

[0001] The invention relates to signal pixel encoding and control information related to the signal pixel encoding, and the signal pixel encoding includes binarization of the control information. Background technique [0002] Current hybrid video codecs, such as H.264 / AVC or H.265 / HEVC, employ compression that includes predictive coding. The images of a video sequence are subdivided into blocks of pixels, and these blocks are then encoded. Instead of encoding the entire block pixel by pixel, the entire block is predicted using already encoded pixels in the block's spatially or temporally neighboring blocks. The encoder further only processes the difference between the block and its predicted block, usually including transforming the block pixels into coefficients in the transform domain. Then, the coefficients can be further compressed by quantization and further compressed by entropy coding to form a code stream. The codestream also includes any signaling information that c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/91H04N19/85
CPCH04N19/85H04N19/91H04N19/124H04N19/13H04N19/159H04N19/176H04N19/46H04N19/51H04N19/619H04N19/70H04N19/82
Inventor 塞米赫·艾森力克阿南德·梅赫·科特拉赵志杰高晗
Owner HUAWEI TECH CO LTD