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Ordered motion candidate list generation using geometric partitioning mode

A candidate list, motion technology, applied in the direction of image communication, digital video signal modification, electrical components, etc.

Pending Publication Date: 2020-07-14
BEIJING BYTEDANCE NETWORK TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Despite advances in video compression, digital video still accounts for the largest bandwidth usage on the Internet and other digital communication networks

Method used

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  • Ordered motion candidate list generation using geometric partitioning mode
  • Ordered motion candidate list generation using geometric partitioning mode
  • Ordered motion candidate list generation using geometric partitioning mode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 7

[0645] For each 4x4 subblock at subblock index (xSbIdx, ySbIdx), where xSbIdx = 0...numSbx-1, and ySbIdx = 0...numSbY-1, the following applies:

[0646] – Depending on the value of sType, the following assignments are made:

[0647] - If sType is equal to 0, the motion information of the 4x4 sub-block is (Mv1, refIdx1).

[0648] - Otherwise, if sType is equal to 1, the motion information of the 4x4 sub-block is (Mv2, refIdx2).

[0649] - Otherwise (sType is equal to 2), the motion information of the 4x4 sub-block is the motion information of the original Merge candidate corresponding to merge_triangle_idx0.

[0650] 5.8 Example #8

[0651] For each 4×4 sub-block at sub-block index (xSbIdx, ySbIdx), where xSbIdx=0...numSbx-1, ySbIdx=0...numSbY-1, the following applies:

[0652] – Depending on the value of sType, the following assignments are made:

[0653] - If sType is equal to 0 or sType is equal to 2, and if both Mv1 and Mv2 are from the same reference list, and triangle...

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Abstract

Devices, systems and methods for digital video coding, which include geometric partitioning, are described. An exemplary method for video processing includes making a decision, based on a priority rule, regarding an order of insertion of motion candidates into a motion candidate list for a conversion between a current block of video and a bitstream representation of the video, wherein the currentblock is coded using a geometry partition mode; and performing, based on the decision and the motion candidate list, the conversion.

Description

[0001] Cross References to Related Applications [0002] In accordance with applicable patent law and / or the rules of the Paris Convention, this application is intended to promptly claim the International Patent Application PCT / CN2018 / 114057 filed on November 6, 2018, the International Patent Application PCT / CN2019 filed on May 17, 2019 / 087372, International Patent Application PCT / CN2019 / 090127 filed on June 5, 2019, and International Patent Application PCT / CN2019 / 092151 filed on June 20, 2019. The entire disclosure of the above application is incorporated by reference as part of the disclosure of this patent document for all purposes under United States law. technical field [0003] This document deals with video coding technologies, systems and devices. Background technique [0004] Despite advances in video compression, digital video still accounts for the largest bandwidth usage on the Internet and other digital communication networks. The demand for bandwidth for dig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/52
CPCH04N19/52H04N19/119H04N19/176H04N19/50H04N19/105H04N19/132H04N19/137H04N19/139H04N19/159H04N19/46
Inventor 张莉张凯刘鸿彬王悦张娜
Owner BEIJING BYTEDANCE NETWORK TECH CO LTD