KR20240024069A - 정보 처리 장치 및 방법 - Google Patents

정보 처리 장치 및 방법 Download PDF

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Publication number
KR20240024069A
KR20240024069A KR1020237042154A KR20237042154A KR20240024069A KR 20240024069 A KR20240024069 A KR 20240024069A KR 1020237042154 A KR1020237042154 A KR 1020237042154A KR 20237042154 A KR20237042154 A KR 20237042154A KR 20240024069 A KR20240024069 A KR 20240024069A
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vertex
patch
pair
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vertices
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Korean (ko)
Inventor
가오 하야시
사토루 구마
츠요시 가토
오지 나카가미
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소니그룹주식회사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10028—Range image; Depth image; 3D point clouds
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20021—Dividing image into blocks, subimages or windows

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Computer Graphics (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Processing Or Creating Images (AREA)
  • Image Generation (AREA)
KR1020237042154A 2021-06-25 2021-11-25 정보 처리 장치 및 방법 Pending KR20240024069A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021105856 2021-06-25
JPJP-P-2021-105856 2021-06-25
PCT/JP2021/043204 WO2022269944A1 (ja) 2021-06-25 2021-11-25 情報処理装置および方法

Publications (1)

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KR20240024069A true KR20240024069A (ko) 2024-02-23

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KR1020237042154A Pending KR20240024069A (ko) 2021-06-25 2021-11-25 정보 처리 장치 및 방법

Country Status (6)

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US (1) US12541925B2 (https=)
EP (1) EP4361959A4 (https=)
JP (1) JP7782557B2 (https=)
KR (1) KR20240024069A (https=)
CN (1) CN117546207A (https=)
WO (1) WO2022269944A1 (https=)

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KR20230056750A (ko) * 2021-08-25 2023-04-27 텐센트 아메리카 엘엘씨 메시 압축을 위한 패치 지퍼링

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JP7809720B2 (ja) * 2021-04-07 2026-02-02 インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ 光効果をサポートする容積ビデオ
US12299941B2 (en) * 2021-09-08 2025-05-13 Tencent America LLC Vertex reordering for mesh compression
US12412312B2 (en) * 2021-12-03 2025-09-09 Tencent America LLC Method and apparatus for chart based mesh compression
US12579745B2 (en) * 2022-03-18 2026-03-17 Nokia Technologies Oy Curvature-guided inter-patch 3D inpainting for dynamic mesh coding
TWI829475B (zh) * 2022-12-15 2024-01-11 信驊科技股份有限公司 產生包括多個影像的佈局的影像處理裝置和影像處理方法
CN116030022B (zh) * 2023-02-01 2023-06-06 天津风霖物联网科技有限公司 建筑预制构件的质量检测系统及方法
WO2025074908A1 (ja) * 2023-10-06 2025-04-10 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
JP2025107111A (ja) * 2024-01-06 2025-07-17 Kddi株式会社 メッシュ復号装置、メッシュ復号方法及びプログラム
WO2025153958A1 (en) * 2024-01-15 2025-07-24 Nokia Technologies Oy Encoding, signaling and decoding of inter submesh boundaries for video-based dynamic mesh coding
TW202548671A (zh) * 2024-04-12 2025-12-16 美商松下電器（美國）知識產權公司 編碼方法、解碼方法、編碼裝置及解碼裝置
CN120852542A (zh) * 2024-04-25 2025-10-28 维沃移动通信有限公司 三维网格编码方法、解码方法、装置及设备

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JP6638267B2 (ja) * 2015-09-07 2020-01-29 カシオ計算機株式会社 地理座標符号化装置、方法、およびプログラム、地理座標復号装置、方法、およびプログラム、地理座標符号化装置を用いた端末装置
US10783668B2 (en) 2017-12-22 2020-09-22 Samsung Electronics Co., Ltd. Handling duplicate points in point cloud compression
US10846814B2 (en) * 2018-07-31 2020-11-24 Intel Corporation Patch processing mechanism
MX2021005074A (es) * 2018-11-16 2021-06-15 Panasonic Ip Corp America Metodo de codificacion de datos tridimensionales, metodo de decodificacion de datos tridimensionales, dispositivo de codificacion de datos tridimensionales y dispositivo de decodificacion de datos tridimensionales.
US11956478B2 (en) * 2019-01-09 2024-04-09 Tencent America LLC Method and apparatus for point cloud chunking for improved patch packing and coding efficiency
US11216984B2 (en) * 2019-01-09 2022-01-04 Samsung Electronics Co., Ltd. Patch splitting for improving video-based point cloud compression performance
WO2021053270A1 (en) * 2019-09-19 2021-03-25 Nokia Technologies Oy Video-based point cloud compression model to world signalling information
US11450030B2 (en) 2019-09-24 2022-09-20 Apple Inc. Three-dimensional mesh compression using a video encoder
US11348285B2 (en) * 2019-12-10 2022-05-31 Sony Group Corporation Mesh compression via point cloud representation

Non-Patent Citations (2)

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Title
Danillo Graziosi, Alexandre Zaghetto, Ali Tabatabai, "[VPCC][EE2.6-related] Mesh Geometry Smoothing Filter", ISO/IEC JTC 1/SC 29/WG 7 m 55374, October 2020
Danillo Graziosi, Alexandre Zaghetto, Ali Tabatabai, "[VPCC][EE2.6-related] Mesh Patch Data", ISO/IEC JTC 1/SC 29/WG 7 m 55368, October 2020

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230056750A (ko) * 2021-08-25 2023-04-27 텐센트 아메리카 엘엘씨 메시 압축을 위한 패치 지퍼링
US12586251B2 (en) 2021-08-25 2026-03-24 Tencent America LLC Patch zippering for mesh compression

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US20240265638A1 (en) 2024-08-08
EP4361959A4 (en) 2024-06-19
US12541925B2 (en) 2026-02-03
JPWO2022269944A1 (https=) 2022-12-29
JP7782557B2 (ja) 2025-12-09
WO2022269944A1 (ja) 2022-12-29
CN117546207A (zh) 2024-02-09
EP4361959A1 (en) 2024-05-01

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