JP7817992B2 - ジオメトリベースのポイントクラウド圧縮（ｇ－ｐｃｃ）における量子化パラメータ値のスケーリング - Google Patents

ジオメトリベースのポイントクラウド圧縮（ｇ－ｐｃｃ）における量子化パラメータ値のスケーリング

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Publication number
JP7817992B2
JP7817992B2 JP2023517761A JP2023517761A JP7817992B2 JP 7817992 B2 JP7817992 B2 JP 7817992B2 JP 2023517761 A JP2023517761 A JP 2023517761A JP 2023517761 A JP2023517761 A JP 2023517761A JP 7817992 B2 JP7817992 B2 JP 7817992B2
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Prior art keywords
point cloud
multiplier
node
offset
geometry
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JP2023517761A
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Japanese (ja)
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JP2023544689A (ja
JP2023544689A5 (https=
Inventor
ラマスブラモニアン、アダルシュ・クリシュナン
レイ、バッパディティア
ファン・デル・オーウェラ、ゲールト
ケロフスカイ、ルイス、ジョセフ
カルチェビチ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Image Generation (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2023517761A 2020-10-05 2021-10-04 ジオメトリベースのポイントクラウド圧縮（ｇ－ｐｃｃ）における量子化パラメータ値のスケーリング Active JP7817992B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063087805P 2020-10-05 2020-10-05
US63/087,805 2020-10-05
US17/492,095 US11869220B2 (en) 2020-10-05 2021-10-01 Scaling of quantization parameter values in geometry-based point cloud compression (G-PCC)
US17/492,095 2021-10-01
PCT/US2021/053390 WO2022076316A1 (en) 2020-10-05 2021-10-04 Scaling of quantization parameter values in geometry-based point cloud compression (g-pcc)

Publications (3)

Publication Number Publication Date
JP2023544689A JP2023544689A (ja) 2023-10-25
JP2023544689A5 JP2023544689A5 (https=) 2024-09-12
JP7817992B2 true JP7817992B2 (ja) 2026-02-19

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JP2023517761A Active JP7817992B2 (ja) 2020-10-05 2021-10-04 ジオメトリベースのポイントクラウド圧縮（ｇ－ｐｃｃ）における量子化パラメータ値のスケーリング

Country Status (8)

Country Link
US (1) US11869220B2 (https=)
EP (1) EP4226328A1 (https=)
JP (1) JP7817992B2 (https=)
KR (1) KR20230084136A (https=)
CN (1) CN116235213A (https=)
BR (1) BR112023005368A2 (https=)
TW (1) TW202232950A (https=)
WO (1) WO2022076316A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7505926B2 (ja) 2020-06-18 2024-06-25 Kddi株式会社 点群復号装置、点群復号方法及びプログラム
US11869220B2 (en) * 2020-10-05 2024-01-09 Qualcomm Incorporated Scaling of quantization parameter values in geometry-based point cloud compression (G-PCC)
CN118451710A (zh) * 2022-01-07 2024-08-06 Lg 电子株式会社 特征编码/解码方法和设备以及存储比特流的记录介质
WO2023225091A1 (en) * 2022-05-17 2023-11-23 Qualcomm Incorporated Geometry coordinate scaling for ai-based dynamic point cloud coding
WO2024140985A1 (en) * 2022-12-29 2024-07-04 Douyin Vision Co., Ltd. Improvements for quantization of point cloud attribute transform domain coefficients

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022056226A (ja) 2020-09-29 2022-04-08 Kddi株式会社 点群復号装置、点群復号方法及びプログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2499865B (en) * 2012-03-02 2016-07-06 Canon Kk Method and devices for encoding a sequence of images into a scalable video bit-stream, and decoding a corresponding scalable video bit-stream
US10275564B2 (en) * 2016-06-17 2019-04-30 The Boeing Company System for analysis of a repair for a structure
US11477483B2 (en) * 2020-01-08 2022-10-18 Apple Inc. Video-based point cloud compression with variable patch scaling
US11924428B2 (en) * 2020-06-24 2024-03-05 Qualcomm Incorporated Scale factor for quantization parameter values in geometry-based point cloud compression
US11869220B2 (en) * 2020-10-05 2024-01-09 Qualcomm Incorporated Scaling of quantization parameter values in geometry-based point cloud compression (G-PCC)
CN115474058B (zh) * 2021-06-11 2025-06-24 维沃移动通信有限公司 点云编码处理方法、点云解码处理方法及相关设备
WO2023059987A1 (en) * 2021-10-04 2023-04-13 Qualcomm Incorporated Inter prediction coding with radius interpolation for predictive geometry-based point cloud compression

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022056226A (ja) 2020-09-29 2022-04-08 Kddi株式会社 点群復号装置、点群復号方法及びプログラム
US20230222700A1 (en) 2020-09-29 2023-07-13 Kddi Corporation Point cloud decoding device, point cloud decoding method, and program

Also Published As

Publication number Publication date
WO2022076316A1 (en) 2022-04-14
JP2023544689A (ja) 2023-10-25
US20220108486A1 (en) 2022-04-07
BR112023005368A2 (pt) 2023-05-09
KR20230084136A (ko) 2023-06-12
CN116235213A (zh) 2023-06-06
EP4226328A1 (en) 2023-08-16
TW202232950A (zh) 2022-08-16
US11869220B2 (en) 2024-01-09

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