CN118474392A - 一种用于点云的几何形状的方法、设备及介质 - Google Patents

一种用于点云的几何形状的方法、设备及介质 Download PDF

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Publication number
CN118474392A
CN118474392A CN202410240962.8A CN202410240962A CN118474392A CN 118474392 A CN118474392 A CN 118474392A CN 202410240962 A CN202410240962 A CN 202410240962A CN 118474392 A CN118474392 A CN 118474392A
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China
Prior art keywords
depth value
point
projection
point cloud
minimum
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Chinese (zh)
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J·里卡德
C·古德
Y·奥利维尔
J·拉奇平萨赫
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InterDigital VC Holdings Inc
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InterDigital VC Holdings Inc
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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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
CN202410240962.8A 2018-04-11 2019-04-09 一种用于点云的几何形状的方法、设备及介质 Pending CN118474392A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP18305437.8 2018-04-11
EP18305437 2018-04-11
PCT/US2019/026459 WO2019199726A1 (en) 2018-04-11 2019-04-09 A method for encoding depth values of a set of 3d points once orthogonally projected into at least one image region of a projection plane
CN201980025242.7A CN111971968B (zh) 2018-04-11 2019-04-09 一种用于当3d点集正交投影到投影平面的至少一个图像区域时编码该3d点集的深度值的方法

Related Parent Applications (1)

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CN201980025242.7A Division CN111971968B (zh) 2018-04-11 2019-04-09 一种用于当3d点集正交投影到投影平面的至少一个图像区域时编码该3d点集的深度值的方法

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CN118474392A true CN118474392A (zh) 2024-08-09

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CN201980025242.7A Active CN111971968B (zh) 2018-04-11 2019-04-09 一种用于当3d点集正交投影到投影平面的至少一个图像区域时编码该3d点集的深度值的方法

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Country Status (9)

Country Link
US (2) US11756234B2 (https=)
EP (1) EP3777183B1 (https=)
JP (2) JP7446234B2 (https=)
KR (2) KR102851340B1 (https=)
CN (2) CN118474392A (https=)
CA (1) CA3096840A1 (https=)
PL (1) PL3777183T3 (https=)
SG (1) SG11202009210SA (https=)
WO (1) WO2019199726A1 (https=)

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Publication number Publication date
EP3777183A1 (en) 2021-02-17
CA3096840A1 (en) 2019-10-17
KR20250133978A (ko) 2025-09-09
JP2021519533A (ja) 2021-08-10
WO2019199726A1 (en) 2019-10-17
JP7630675B2 (ja) 2025-02-17
KR20200141450A (ko) 2020-12-18
CN111971968A (zh) 2020-11-20
US20240005560A1 (en) 2024-01-04
US12223683B2 (en) 2025-02-11
CN111971968B (zh) 2024-03-12
US11756234B2 (en) 2023-09-12
PL3777183T3 (pl) 2026-04-20
US20230062296A1 (en) 2023-03-02
JP2024079679A (ja) 2024-06-11
EP3777183B1 (en) 2026-01-28
SG11202009210SA (en) 2020-10-29
JP7446234B2 (ja) 2024-03-08
KR102851340B1 (ko) 2025-08-27

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