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Methods and apparatuses for signaling partioning information for picture encoding and decoding

A technology of image encoding and image decoding, which is applied in the field of image and/or video encoding and/or decoding, and can solve problems such as wrong syntax element values, incorrect parsing and decoding, etc.

Active Publication Date: 2020-06-19
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Otherwise, parsing and decoding cannot be done correctly due to incorrect syntax element values ​​being parsed from the bitstream

Method used

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  • Methods and apparatuses for signaling partioning information for picture encoding and decoding
  • Methods and apparatuses for signaling partioning information for picture encoding and decoding
  • Methods and apparatuses for signaling partioning information for picture encoding and decoding

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Embodiment Construction

[0080] In the following description, reference is made to the accompanying drawings, which form a part of this disclosure, and which show by way of illustration specific aspects of the invention and in which the invention may be situated. It is to be understood that other aspects may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not to be taken in a limiting sense, since the scope of the invention is defined by the appended claims.

[0081] It can be understood that the content related to the described method is also applicable to the corresponding device or system for performing the method, and vice versa. For example, if a specific method step is described, a corresponding apparatus may include means or means for performing the described method step, even if such means are not elaborated or illustrated in the figures. On the other hand, for example, if a...

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Abstract

According to an aspect, there is provided a picture encoding apparatus (100) configured to hierarchically partition (800) a block of picture data into sub-blocks; determine (802) that a sub-block being coded belongs to an unequally-sized partitioned block; prepare (804) a list of neighboring blocks for the sub-block of the unequally-sized partitioned block based on a size of the sub-block of the unequally-sized partitioned block and a partitioning type of at least one neighboring block of the unequally-sized partitioned block; and derive (806) a context model that is used to encode split information of the sub-block of the unequally-sized partitioned block into a bit stream based on the prepared list of neighboring blocks.

Description

technical field [0001] The invention relates to the field of image processing, eg image and / or video encoding and / or decoding. Background technique [0002] Digital video communication and storage applications are implemented in many digital devices such as digital cameras, cellular radiotelephones, notebook computers, broadcasting systems, and video conferencing systems. Video compression is one of the most important and challenging tasks in these applications. Video compression is a complex task constrained by two conflicting parameters of compression efficiency and computational complexity. Video coding standards such as ITU-T H.264 / AVC (Advanced Video Coding) or ITU-T H.265 / HEVC (High Efficiency Video Coding) provide a good compromise between these parameters. [0003] When encoding video, the progressive encoder generates various syntax elements that further signal the bitstream according to the assigned probability model. The syntax elements contain data representin...

Claims

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Application Information

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IPC IPC(8): H04N19/13H04N19/119H04N19/91
CPCH04N19/119H04N19/13H04N19/91H04N19/105H04N19/176H04N19/33
Inventor 阿列克谢·康斯坦丁诺维奇·菲利波夫亚历山大·亚历山德罗维奇·卡拉布托夫刘杉瓦西里·亚历斯维奇·拉夫特斯基
Owner HUAWEI TECH CO LTD
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