JP7285789B2 - 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置 - Google Patents

三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置 Download PDF

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JP7285789B2
JP7285789B2 JP2019566487A JP2019566487A JP7285789B2 JP 7285789 B2 JP7285789 B2 JP 7285789B2 JP 2019566487 A JP2019566487 A JP 2019566487A JP 2019566487 A JP2019566487 A JP 2019566487A JP 7285789 B2 JP7285789 B2 JP 7285789B2
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チ ワン
ポンサック ラサン
敏康 杉尾
達也 小山
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
    • H03M13/658—Scaling by multiplication or division
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/12—Use of codes for handling textual entities
    • G06F40/14—Tree-structured documents
    • G06F40/146—Coding or compression of tree-structured data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/40—Transformation of program code
    • G06F8/41—Compilation
    • G06F8/43—Checking; Contextual analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—Three-dimensional [3D] image rendering
    • G06T15/08—Volume rendering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three-dimensional [3D] modelling for computer graphics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code

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JP2019566487A 2018-01-19 2019-01-16 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置 Active JP7285789B2 (ja)

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WO2021117859A1 (ja) * 2019-12-13 2021-06-17 ソニーグループ株式会社 画像処理装置および方法
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CN115474049B (zh) * 2021-06-11 2025-03-25 维沃移动通信有限公司 点云编码处理方法、解码处理方法及装置
CN115474052B (zh) * 2021-06-11 2025-12-19 维沃移动通信有限公司 点云编码处理方法、解码处理方法及相关设备
CN115474050B (zh) * 2021-06-11 2026-02-13 维沃移动通信有限公司 熵编码、解码方法及装置
WO2023032085A1 (ja) * 2021-09-01 2023-03-09 日本電気株式会社 映像送信システム、端末装置および映像送信方法
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CN120279121A (zh) 2025-07-08
CN111727463B (zh) 2025-04-11
WO2019142834A1 (ja) 2019-07-25
US12191887B2 (en) 2025-01-07
US20200349742A1 (en) 2020-11-05
JP2023109918A (ja) 2023-08-08
US11824562B2 (en) 2023-11-21
EP3742403A4 (en) 2021-03-17
US20230014086A1 (en) 2023-01-19
JP7562759B2 (ja) 2024-10-07
CN111727463A (zh) 2020-09-29
JPWO2019142834A1 (ja) 2021-01-07
EP3742403A1 (en) 2020-11-25

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