CN116783623A - 解码方法、解码装置和程序 - Google Patents

解码方法、解码装置和程序 Download PDF

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Publication number
CN116783623A
CN116783623A CN202080108129.8A CN202080108129A CN116783623A CN 116783623 A CN116783623 A CN 116783623A CN 202080108129 A CN202080108129 A CN 202080108129A CN 116783623 A CN116783623 A CN 116783623A
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CN
China
Prior art keywords
slice
space
point cloud
encoded data
decoding
Prior art date
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Pending
Application number
CN202080108129.8A
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English (en)
Chinese (zh)
Inventor
杉本志织
渡边真由子
谷田隆一
木全英明
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NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of CN116783623A publication Critical patent/CN116783623A/zh
Pending legal-status Critical Current

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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
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • 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
    • H04N19/597—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)
CN202080108129.8A 2020-12-25 2020-12-25 解码方法、解码装置和程序 Pending CN116783623A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
CN116783623A true CN116783623A (zh) 2023-09-19

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CN202080108129.8A Pending CN116783623A (zh) 2020-12-25 2020-12-25 解码方法、解码装置和程序

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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=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230102401A1 (en) * 2021-09-30 2023-03-30 Qualcomm Incorporated Inter prediction coding for geometry point cloud compression

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1431919A1 (en) * 2002-12-05 2004-06-23 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding three-dimensional object data by using octrees
WO2019078000A1 (ja) * 2017-10-16 2019-04-25 ソニー株式会社 情報処理装置および方法
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
CN112041889A (zh) * 2018-02-08 2020-12-04 松下电器（美国）知识产权公司 三维数据编码方法、三维数据解码方法、三维数据编码装置、以及三维数据解码装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1431919A1 (en) * 2002-12-05 2004-06-23 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding three-dimensional object data by using octrees
WO2019078000A1 (ja) * 2017-10-16 2019-04-25 ソニー株式会社 情報処理装置および方法
CN112041889A (zh) * 2018-02-08 2020-12-04 松下电器（美国）知识产权公司 三维数据编码方法、三维数据解码方法、三维数据编码装置、以及三维数据解码装置
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
CN112789658A (zh) * 2018-10-02 2021-05-11 索尼公司 图像处理装置和方法

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Publication number Publication date
JPWO2022137537A1 (https=) 2022-06-30
EP4235579A1 (en) 2023-08-30
WO2022137537A1 (ja) 2022-06-30
KR102821844B1 (ko) 2025-06-17
KR20230109732A (ko) 2023-07-20
EP4235579A4 (en) 2024-05-15
US12283076B2 (en) 2025-04-22
US20230419558A1 (en) 2023-12-28
JP7568953B2 (ja) 2024-10-17

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