Loop filtering method and device, computer system and mobile equipment

A loop filtering and filter technology, which is applied in the field of video coding and decoding, can solve problems such as affecting compression efficiency and redundancy, and achieve the effect of improving compression efficiency, avoiding redundancy and saving coding bits.

Active Publication Date: 2020-06-12
PEKING UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the current technology, there is redundancy when writing the ALF correlation coefficient and parameters into the code stream, which affects the compression efficiency

Method used

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  • Loop filtering method and device, computer system and mobile equipment
  • Loop filtering method and device, computer system and mobile equipment
  • Loop filtering method and device, computer system and mobile equipment

Examples

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Embodiment Construction

[0034] The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

[0035] It should be understood that the specific examples herein are only intended to help those skilled in the art better understand the embodiments of the present application, rather than limiting the scope of the embodiments of the present application.

[0036] It should also be understood that the formulas in the embodiments of the present application are only examples, rather than limiting the scope of the embodiments of the present application, and the formulas can be modified, and these modifications should also belong to the protection scope of the present application.

[0037] It should also be understood that in various embodiments of the present application, the sequence numbers of the processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and interna...

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Abstract

The invention discloses a loop filtering method and device, a computer system and mobile equipment. The method comprises the following steps: determining the number of types of filters adopted by loopfiltering; and determining whether to write the filter label corresponding to the pixel type into the code stream according to the number of the types of the filters. According to the technical scheme, the compression efficiency can be improved.

Description

[0001] Copyright statement [0002] The disclosure of this patent document contains material that is protected by copyright. This copyright belongs to the copyright owner. The copyright owner has no objection to the reproduction by anyone of the patent document or the patent disclosure as it exists in the official records and files of the Patent and Trademark Office. technical field [0003] The present application relates to the field of video coding and decoding, and more specifically, relates to a loop filtering method, device, computer system and mobile device. Background technique [0004] Loop filtering is a key part of the video codec framework. It is mainly used to reduce compression distortion such as blocking effect and ringing effect generated in the encoding process. At present, there are mainly three kinds of loop filtering techniques, namely deblocking filtering, adaptive sample value compensation filtering and adaptive loop filtering (Adaptive loop filter, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/82H04N19/42H04N19/44
CPCH04N19/82H04N19/42H04N19/44
Inventor 孟学苇郑萧桢贾川民王苫社马思伟
Owner PEKING UNIV
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