METHOD, APPARATUS, AND MEDIUM FOR POINT CLOUD CODING

WIPO Patent Application WO/2023/280129

A1

Embodiments of the present disclosure provide a method for point cloud coding. The method comprises: classifying, during a conversion between a current frame of a point cloud sequence and a bitstream of the point cloud sequence, a target point in the current frame into a first set of classes based on a second set of thresholds, the number of thresholds in the second set being larger than the number of classes in the first set; and performing the conversion based on the classification. Compared with the conventional solution, the proposed method can advantageously improve the accuracy of global motion estimation and coding quality.

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JP2006236048	IMAGE PROCESSOR, IMAGE PROCESSING METHOD AND IMAGE PROCESSING PROGRAM
JP5679284	Pixel number conversion method, program for executing it, and pixel number conversion device

XU YINGZHAN (CN)
ZHANG KAI (US)
ZHANG LI (US)

PCT/CN2022/103766

January 12, 2023

July 04, 2022

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BEIJING BYTEDANCE NETWORK TECH CO LTD (CN)
BYTEDANCE INC (US)

G06T3/40; G06T9/40; H04N19/52

US20180324240A1	2018-11-08
US20210192798A1	2021-06-24
US20170347120A1	2017-11-30
US20190371051A1	2019-12-05
CN111145090A	2020-05-12

DOMINIK MEHLEM (RWTH-AACHEN), CHRISTIAN ROHLFING (RWTH-AACHEN): "[VPCC] Versatile Video Coding for VPCC", 130. MPEG MEETING; 20200420 - 20200424; ALPBACH; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11), 24 April 2020 (2020-04-24), XP030287082

SHIHUI PARTNERS (CN)

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