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Image encoding and decoding method and device

An encoding method and image technology, applied in the field of image encoding and decoding methods and devices, can solve the problems of multi-storage space, occupation, increasing the burden of encoding and decoding systems, etc.

Active Publication Date: 2017-09-29
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the method in the prior art needs to store a large number of division templates, which will occupy more storage space, thus increasing the burden on the codec system

Method used

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  • Image encoding and decoding method and device
  • Image encoding and decoding method and device

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Embodiment Construction

[0194] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0195] The encoding end of the present invention encodes the division identification and division information corresponding to the division mode adopted, so that the decoding end can obtain the division template adopted by the encoding end according to the division mode identification and division information, and then perform decoding processing w...

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Abstract

Embodiments of the present invention provide an image encoding and decoding method and device, by obtaining the division mode adopted by the current image block; obtaining the division information of the current image block according to the division mode; encoding the division mode identifier and division information corresponding to the division mode processing, so that the decoding end obtains the division template adopted by the encoding end according to the division mode identifier and division information, and then decodes, without storing a large number of division templates at the encoding and decoding end, reducing the burden on the encoding and decoding system.

Description

technical field [0001] Embodiments of the present invention relate to image processing technologies, and in particular, to an image encoding and decoding method and device. Background technique [0002] An image block contains more than one sample point, so the image block has multiple partition methods, each partition method corresponds to a partition template, and the partition template is used to determine the corresponding area (partition) of each sample point (sample point) in the image block ). The division method can divide an image block into two regions with arbitrary shapes. [0003] The above block division method can also be applied to the depth map encoding and decoding technology of 3D video. For example, the wedge wave (Wedgelet) technology also uses the above-mentioned image block division method. The principle is that after the image block is divided into two areas with arbitrary shapes, each area uses a predictive value for encoding and decoding operatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/105H04N19/176H04N19/50
CPCH04N19/119H04N19/176H04N19/463
Inventor 李蔚然郑萧桢何芸
Owner TSINGHUA UNIV