Image prediction method, coding tree node division method and devices thereof

A prediction method and coding tree technology, applied in the field of video coding and decoding, can solve problems such as reducing the efficiency of video coding and decoding, and achieve the effects of improving video coding and decoding efficiency, reducing complexity, and reducing the number of coding bits

Pending Publication Date: 2020-12-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the context modeling method is improper, it will reduce the efficiency of video encoding and decoding

Method used

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  • Image prediction method, coding tree node division method and devices thereof
  • Image prediction method, coding tree node division method and devices thereof
  • Image prediction method, coding tree node division method and devices thereof

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Embodiment Construction

[0102] The technical solution in this application will be described below with reference to the accompanying drawings.

[0103] In the following description, reference is made to the accompanying drawings which form a part of this application and which show by way of illustration specific aspects of embodiments of the application or in which embodiments of the application may be used. It should be understood that the embodiments of the present application may also be used in other aspects, and may include structural or logical changes not depicted in the drawings. Therefore, the following detailed description should not be read in a limiting sense, and the scope of the application should be defined by the appended claims.

[0104] For example, it should be understood that disclosures made in conjunction with a described method may equally apply to a corresponding device or system for performing the method, and vice versa.

[0105] For another example, if one or more specific ...

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Abstract

The invention provides an image prediction method, a coding tree node division method and devices thereof, and the image prediction method comprises the steps: determining the type of a current codingunit which is a brightness and chrominance coding unit, a brightness coding unit or a chrominance coding unit; determining a prediction mode of the current coding unit according to the type of the current coding unit and / or the prediction mode of an adjacent image block, wherein the image block in the current coding unit and the adjacent image block are spatially adjacent image blocks, and the adjacent image block comprises an adjacent luminance block and / or an adjacent chrominance block; and predicting the image block in the current coding unit according to the prediction mode of the currentcoding unit. According to the method in the embodiment of the invention, the video encoding and decoding efficiency can be improved.

Description

technical field [0001] The present application relates to the field of video coding and decoding, and more specifically, relates to an image prediction method, a coding tree node division method and a device thereof. Background technique [0002] Digital video capabilities can be incorporated into a wide variety of devices, including digital television, digital broadcast systems, wireless broadcast systems, personal digital assistants (PDAs), laptop or desktop computers, tablet computers, electronic Book readers, digital cameras, digital recording devices, digital media players, video game devices, video game consoles, cellular or satellite radiotelephones (so-called "smart phones"), video teleconferencing devices, video streaming devices and its analogues. Digital video devices implement video compression techniques such as those defined in MPEG-2, MPEG-4, ITU-TH.263, ITU-T H.264 / MPEG-4 Part 10 Advanced Video Coding (AVC) The video compression techniques described in the ...

Claims

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Application Information

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IPC IPC(8): H04N19/107H04N19/124H04N19/13H04N19/176H04N19/186H04N19/70H04N19/82H04N19/96
CPCH04N19/107H04N19/82H04N19/13H04N19/124H04N19/70H04N19/176H04N19/96H04N19/186
Inventor 赵寅杨海涛
Owner HUAWEI TECH CO LTD
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