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Method, device, medium and codec for dividing blocks

A technology of block division and division mode, applied in electrical components, image communication, digital video signal modification, etc., can solve problems such as inconvenience

Active Publication Date: 2022-04-12
TENCENT AMERICA LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] A major problem with this method is that it is inconvenient if the width or height of the block is not a power of 2

Method used

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  • Method, device, medium and codec for dividing blocks
  • Method, device, medium and codec for dividing blocks
  • Method, device, medium and codec for dividing blocks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] figure 1 is a flowchart of an example process in which a block is partitioned using a square partitioning pattern to produce a set of sub-blocks.

[0043] In some implementations, it may be performed by the decoder figure 1 One or more processing blocks of . In some implementations, may be performed by another device, or a set of devices separate from the decoder (such as an encoder) figure 1 One or more processing blocks of .

[0044] Such as figure 1 As shown, the process may include determining whether the block is a square (step 110). If the block is square (step 110 - Yes), the processing may include partitioning the block using a square partitioning pattern to generate a set of sub-blocks (step 120). In this case, each subblock is square. Alternatively, if the block is not square (step 110 - No), the process may include partitioning the block using a square partitioning pattern to generate a set of non-square sub-blocks (step 130). In this case, each sub-bl...

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PUM

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Abstract

A method and apparatus for dividing a block to allow encoding or decoding a video sequence, comprising: dividing a block using a square division mode, a binary tree division mode, or a ternary tree division mode to generate a set of sub-blocks; wherein, to The square division mode, the binary tree division mode, and the ternary tree division mode are assigned priorities such that the square division mode can be used before the binary tree division mode and the ternary tree division mode. The block is divided based on the square division mode, the binary tree division mode, or the ternary tree division mode to encode or decode the video sequence.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under Section 119 of Section 35 of the United States Patent Act to U.S. Application No. 62 / 639,989, filed March 7, 2018, and 16 / 234,116, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates to advanced block partitioning beyond hybrid video coding in High Efficiency Video Coding (HEVC). More specifically, a flexible tree structure is proposed for efficient block partitioning. Background technique [0004] ITU-T VCEG (Q6 / 16) and ISO / IEC MPEG (JTC 1 / SC 29 / WG 11) promulgated H. 265 / HEVC (High Efficiency Video Coding) standard. Since then, they have investigated the potential need for future standardization of video coding techniques whose compression capabilities significantly exceed those of the HEVC standard (including its extensions). The groups are conducting this exploration campaign in a joint collaborative ef...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/119H04N19/176H04N19/136H04N19/96G06F16/71
CPCH04N19/119H04N19/176H04N19/96H04N19/136H04N19/70G06F16/71
Inventor 李翔刘杉赵欣夜静赵亮
Owner TENCENT AMERICA LLC
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