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Encoder, decoder and corresponding methods harmonzting matrix-based intra prediction and secoundary transform core selection

A secondary transformation and intra-frame prediction technology, applied in the field of image processing, can solve the problem of video size becoming a problem

Pending Publication Date: 2021-11-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The size of the video can also be an issue when storing the video in a storage device as memory resources can be limited

Method used

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  • Encoder, decoder and corresponding methods harmonzting matrix-based intra prediction and secoundary transform core selection
  • Encoder, decoder and corresponding methods harmonzting matrix-based intra prediction and secoundary transform core selection
  • Encoder, decoder and corresponding methods harmonzting matrix-based intra prediction and secoundary transform core selection

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Embodiment Construction

[0077] In the following description, reference is made to the accompanying drawings which form a part hereof and which show by way of illustration specific aspects of embodiments of the invention or in which embodiments of the invention may be used. It should be understood that the embodiments of the present invention may be used in other aspects, and may include structural or logical changes not described in the drawings. Accordingly, the following detailed description should not be read in a limiting sense, and the scope of the invention is defined by the appended claims.

[0078] For example, it should be understood that disclosures in connection with a described method may also apply equally to a corresponding device 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, to perform the described one or more method steps (for examp...

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Abstract

Disclosed is a method of coding implemented by a decoding device or an encoding device. The method is characterized by comprising: determining an intra prediction mode of a current block(1601); and determining selecting of a secondary transform of the current block based on the intra prediction mode determined for the current block(1603).

Description

[0001] Related Applications Cross Application [0002] This patent application claims priority to U.S. Provisional Patent Application No. 62 / 835,487, filed April 17, 2019. The disclosures of the above patent applications are incorporated herein by reference in their entirety. technical field [0003] Embodiments of the present application (the present invention) generally relate to the field of image processing, and more specifically relate to intra-frame prediction. Background technique [0004] Video coding (video encoding and decoding) is widely used in digital video applications such as broadcast digital TV, video transmission over the Internet and mobile networks, real-time conversational applications (such as video chat), video conferencing, DVD and Blu-ray discs, video content capture and editing systems, and cameras for security applications. [0005] Large amounts of video data need to be described even in the case of short videos, which can cause difficulties whe...

Claims

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Application Information

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IPC IPC(8): H04N19/70H04N19/176
CPCH04N19/70H04N19/176H04N19/159H04N19/12H04N19/593H04N19/11H04N19/60H04N19/61
Inventor 高晗塞米赫·艾森力克王彪阿南德·梅赫·科特拉陈建乐
Owner HUAWEI TECH CO LTD
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