CN114556432A - 处理点云 - Google Patents

处理点云 Download PDF

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Publication number
CN114556432A
CN114556432A CN202080052314.XA CN202080052314A CN114556432A CN 114556432 A CN114556432 A CN 114556432A CN 202080052314 A CN202080052314 A CN 202080052314A CN 114556432 A CN114556432 A CN 114556432A
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CN
China
Prior art keywords
information
metadata
local reconstruction
point
point local
Prior art date
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Pending
Application number
CN202080052314.XA
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English (en)
Chinese (zh)
Inventor
J.里卡德
C.格德
J.拉赫
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InterDigital CE Patent Holdings SAS
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Interactive Digital Vc Holding France
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Publication date
Application filed by Interactive Digital Vc Holding France filed Critical Interactive Digital Vc Holding France
Publication of CN114556432A publication Critical patent/CN114556432A/zh
Pending legal-status Critical Current

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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
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—Three-dimensional [3D] image rendering
    • G06T15/04—Texture mapping
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three-dimensional [3D] modelling for computer graphics
    • G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10028—Range image; Depth image; 3D point clouds

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Geometry (AREA)
  • Software Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
CN202080052314.XA 2019-07-03 2020-06-22 处理点云 Pending CN114556432A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19305910.2 2019-07-03
EP19305910 2019-07-03
PCT/EP2020/067285 WO2021001186A1 (en) 2019-07-03 2020-06-22 Processing a point cloud

Publications (1)

Publication Number Publication Date
CN114556432A true CN114556432A (zh) 2022-05-27

Family

ID=67482911

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080052314.XA Pending CN114556432A (zh) 2019-07-03 2020-06-22 处理点云

Country Status (8)

Country Link
US (1) US12375695B2 (https=)
EP (1) EP3994667A1 (https=)
JP (1) JP7578625B2 (https=)
KR (1) KR102806764B1 (https=)
CN (1) CN114556432A (https=)
IL (1) IL289417B2 (https=)
TW (1) TWI900485B (https=)
WO (1) WO2021001186A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021090701A1 (ja) * 2019-11-05 2021-05-14 ソニー株式会社 情報処理装置および方法
US20230316584A1 (en) * 2020-08-12 2023-10-05 Lg Electronics Inc. Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method
TWI786002B (zh) * 2022-03-10 2022-12-01 國立臺中科技大學 二維影像生成點雲與零件切割之整合模型的建立方法
CN121547599A (zh) * 2026-01-20 2026-02-17 深圳市杉岩数据技术有限公司 图像哈希无损压缩方法和图像哈希无损重建方法

Citations (3)

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US20150187082A1 (en) * 2013-12-27 2015-07-02 Xerox Corporation System and method for adaptive depth map reconstruction
CN105405162A (zh) * 2015-10-16 2016-03-16 北京师范大学 基于局部结构和方向感知的树点云三维重建方法
CN107211122A (zh) * 2015-01-29 2017-09-26 佳能株式会社 对自包含式编码结构进行编码或解码时的调色板预测结果初始化程序

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US9774882B2 (en) 2009-07-04 2017-09-26 Dolby Laboratories Licensing Corporation Encoding and decoding architectures for format compatible 3D video delivery
US9942545B2 (en) * 2013-01-03 2018-04-10 Texas Instruments Incorporated Methods and apparatus for indicating picture buffer size for coded scalable video
GB2521452B (en) 2013-12-20 2015-12-09 Visual Technology Services Ltd Point Cloud Simplification
CN111164969B (zh) 2017-09-28 2021-11-02 Lg电子株式会社 使用拼接和重新投影相关元数据发送或接收6dof视频的方法和装置
WO2019093834A1 (en) 2017-11-09 2019-05-16 Samsung Electronics Co., Ltd. Point cloud compression using non-orthogonal projection
JP7116199B2 (ja) 2018-06-26 2022-08-09 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 点群符号化用の高レベルな構文設計
WO2021002657A1 (ko) * 2019-07-04 2021-01-07 엘지전자 주식회사 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150187082A1 (en) * 2013-12-27 2015-07-02 Xerox Corporation System and method for adaptive depth map reconstruction
CN107211122A (zh) * 2015-01-29 2017-09-26 佳能株式会社 对自包含式编码结构进行编码或解码时的调色板预测结果初始化程序
CN105405162A (zh) * 2015-10-16 2016-03-16 北京师范大学 基于局部结构和方向感知的树点云三维重建方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
C.GUEDE ETAL.: "improvement on PLRM metadata coding using neighborhood", 125TH MPEG MEETING，NO. M46095， XP030214594, 14 January 2019 (2019-01-14), pages 1 - 4 *

Also Published As

Publication number Publication date
JP2022537975A (ja) 2022-08-31
US20220385928A1 (en) 2022-12-01
KR102806764B1 (ko) 2025-05-12
IL289417B1 (en) 2025-07-01
EP3994667A1 (en) 2022-05-11
US12375695B2 (en) 2025-07-29
IL289417B2 (en) 2025-11-01
TW202106024A (zh) 2021-02-01
IL289417A (en) 2022-02-01
KR20220034141A (ko) 2022-03-17
JP7578625B2 (ja) 2024-11-06
WO2021001186A1 (en) 2021-01-07
TWI900485B (zh) 2025-10-11

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