KR102821844B1 - 복호 방법, 복호 장치 및 프로그램 - Google Patents

복호 방법, 복호 장치 및 프로그램 Download PDF

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KR102821844B1
KR102821844B1 KR1020237020885A KR20237020885A KR102821844B1 KR 102821844 B1 KR102821844 B1 KR 102821844B1 KR 1020237020885 A KR1020237020885 A KR 1020237020885A KR 20237020885 A KR20237020885 A KR 20237020885A KR 102821844 B1 KR102821844 B1 KR 102821844B1
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slice
space
encoded data
point group
decoding
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KR20230109732A (ko
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시오리 스기모토
마유코 와타나베
류이치 타니다
히데아키 키마타
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니폰 덴신 덴와 가부시끼가이샤
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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
    • H04N19/10—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • 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
    • H04N19/70—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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding
    • 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
    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Generation (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020237020885A 2020-12-25 2020-12-25 복호 방법, 복호 장치 및 프로그램 Active KR102821844B1 (ko)

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PCT/JP2020/048833 WO2022137537A1 (ja) 2020-12-25 2020-12-25 復号方法、復号装置及びプログラム

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KR20230109732A KR20230109732A (ko) 2023-07-20
KR102821844B1 true KR102821844B1 (ko) 2025-06-17

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US (1) US12283076B2 (https=)
EP (1) EP4235579A4 (https=)
JP (1) JP7568953B2 (https=)
KR (1) KR102821844B1 (https=)
CN (1) CN116783623A (https=)
WO (1) WO2022137537A1 (https=)

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US20230102401A1 (en) * 2021-09-30 2023-03-30 Qualcomm Incorporated Inter prediction coding for geometry point cloud compression

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020071116A1 (ja) * 2018-10-02 2020-04-09 ソニー株式会社 画像処理装置および方法

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
EP1431919B1 (en) * 2002-12-05 2010-03-03 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding three-dimensional object data by using octrees
KR102494923B1 (ko) 2017-10-16 2023-02-06 소니그룹주식회사 정보 처리 장치 및 방법
WO2019156141A1 (ja) * 2018-02-08 2019-08-15 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 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
WO2020013249A1 (ja) 2018-07-13 2020-01-16 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 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
JP7640526B2 (ja) * 2019-08-14 2025-03-05 エルジー エレクトロニクス インコーポレイティド ポイントクラウドデータ送信装置、ポイントクラウドデータ送信方法、ポイントクラウドデータ受信装置及びポイントクラウドデータ受信方法。
US20230386088A1 (en) * 2020-10-30 2023-11-30 Lg Electronics Inc. Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020071116A1 (ja) * 2018-10-02 2020-04-09 ソニー株式会社 画像処理装置および方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YITING SHAO ET AL, "[G-PCC] CE13.2 report on tile and slice based coding", 126. MPEG MEETING, no. m47227, XP030211122, 2019.03.24. 1부.*

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JPWO2022137537A1 (https=) 2022-06-30
EP4235579A1 (en) 2023-08-30
WO2022137537A1 (ja) 2022-06-30
KR20230109732A (ko) 2023-07-20
CN116783623A (zh) 2023-09-19
EP4235579A4 (en) 2024-05-15
US12283076B2 (en) 2025-04-22
US20230419558A1 (en) 2023-12-28
JP7568953B2 (ja) 2024-10-17

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