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Video image processing method, encoder and computer readable storage medium

A processing method and video image technology, applied in the field of image processing, can solve the problems of long coding time, lack of pre-judgment process, and high coding complexity

Active Publication Date: 2020-12-08
ZHEJIANG DAHUA TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] For the codec system, in order to encode the video, it is necessary to collect, predict, transform and quantize the video, and entropy coding. For the residual data obtained by intra-frame prediction, two transformations can be used to make The energy is concentrated in the low frequency area, but the current secondary transformation process lacks a pre-judgment process, resulting in high coding complexity and long coding time

Method used

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  • Video image processing method, encoder and computer readable storage medium
  • Video image processing method, encoder and computer readable storage medium
  • Video image processing method, encoder and computer readable storage medium

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0019] The video codec system mainly includes three parts: encoding, transmission and decoding. Since the data volume of video images is generally relatively large, video pixel data can be compressed into video code streams through video coding, thereby reducing the video data volume and reducing the transmission time. Occupies network bandwidth and reduces storage space.

[0020] The video coding system is mainly divided into video acquisition, prediction, tr...

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Abstract

The invention discloses a video image processing method, an encoder and a computer readable storage medium. The method comprises the steps of obtaining residual data of each encoding block in a to-be-processed image; judging whether the size of the coding block meets a preset size condition; if the coding block does not meet the preset size condition, converting the residual data by using a firstconversion matrix to obtain a first conversion coefficient; judging whether the first transformation coefficient needs to be transformed based on the information of the coding block; and if the firsttransformation coefficient needs to be transformed, transforming the first transformation coefficient by using the second transformation matrix to obtain a second transformation coefficient. By meansof the mode, the coding complexity can be reduced, and the invalid coding time can be shortened.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to a video image processing method, an encoder, and a computer-readable storage medium. Background technique [0002] For the codec system, in order to encode the video, it is necessary to capture, predict, transform and quantize the video, and entropy coding. For the residual data obtained by intra-frame prediction, two transformations can be used to make The energy is concentrated in the low-frequency region, but the current secondary transformation process lacks a pre-judgment process, resulting in high coding complexity and long coding time. Contents of the invention [0003] The present application provides a video image processing method, an encoder, and a computer-readable storage medium, which can reduce encoding complexity and waste encoding time. [0004] In order to solve the above technical problems, the technical solution adopted by this applic...

Claims

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Application Information

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IPC IPC(8): H04N19/122H04N19/147H04N19/176H04N19/61H04N19/625
CPCH04N19/61H04N19/625H04N19/147H04N19/122H04N19/176
Inventor 洪珠江东张雪林聚财殷俊
Owner ZHEJIANG DAHUA TECH CO LTD
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