JP7431742B2 - 三次元物体を表すポイントクラウドを符号化／復号する方法及び装置 - Google Patents

三次元物体を表すポイントクラウドを符号化／復号する方法及び装置 Download PDF

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JP7431742B2
JP7431742B2 JP2020549779A JP2020549779A JP7431742B2 JP 7431742 B2 JP7431742 B2 JP 7431742B2 JP 2020549779 A JP2020549779 A JP 2020549779A JP 2020549779 A JP2020549779 A JP 2020549779A JP 7431742 B2 JP7431742 B2 JP 7431742B2
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point
projection
point cloud
depth
block
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ツァイ，カンイン
シュヴェ，ジャン－クロード
オリビエ，ヤニック
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • 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
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements

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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 Generation (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP2020549779A 2018-04-11 2019-04-03 三次元物体を表すポイントクラウドを符号化／復号する方法及び装置 Active JP7431742B2 (ja)

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Application Number Priority Date Filing Date Title
EP18305431.1 2018-04-11
EP18305431 2018-04-11
EP18306132.4 2018-08-23
EP18306132.4A EP3614672A1 (en) 2018-08-23 2018-08-23 A method and apparatus for encoding/decoding a point cloud representing a 3d object
PCT/US2019/025485 WO2019199531A1 (en) 2018-04-11 2019-04-03 A method and apparatus for encoding/decoding a point cloud representing a 3d object

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JP2021518694A5 JP2021518694A5 (https=) 2022-04-05
JPWO2019199531A5 JPWO2019199531A5 (https=) 2022-04-05
JP7431742B2 true JP7431742B2 (ja) 2024-02-15

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EP (1) EP3777182B1 (https=)
JP (1) JP7431742B2 (https=)
KR (1) KR102842518B1 (https=)
CN (1) CN111971967B (https=)
CA (1) CA3096819A1 (https=)
PL (1) PL3777182T3 (https=)
SG (1) SG11202008973TA (https=)
WO (1) WO2019199531A1 (https=)
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US20210183109A1 (en) 2021-06-17
EP3777182B1 (en) 2025-07-30
CN111971967A (zh) 2020-11-20
CN111971967B (zh) 2024-09-17
EP3777182A1 (en) 2021-02-17
KR102842518B1 (ko) 2025-08-06
SG11202008973TA (en) 2020-10-29
KR20200140824A (ko) 2020-12-16
PL3777182T3 (pl) 2025-09-22
JP2021518694A (ja) 2021-08-02
WO2019199531A1 (en) 2019-10-17
ZA202005703B (en) 2025-01-29
CA3096819A1 (en) 2019-10-17
US12230000B2 (en) 2025-02-18

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