JP2024152166A - 点群復号装置、点群復号方法及びプログラム - Google Patents

点群復号装置、点群復号方法及びプログラム Download PDF

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Publication number
JP2024152166A
JP2024152166A JP2023066201A JP2023066201A JP2024152166A JP 2024152166 A JP2024152166 A JP 2024152166A JP 2023066201 A JP2023066201 A JP 2023066201A JP 2023066201 A JP2023066201 A JP 2023066201A JP 2024152166 A JP2024152166 A JP 2024152166A
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Japan
Prior art keywords
predictor
synthesis unit
point cloud
tree synthesis
decoded
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Pending
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JP2023066201A
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Japanese (ja)
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JP2024152166A5 (enExample
Inventor
洋平 花岡
Yohei Hanaoka
賢史 小森田
Masashi Komorida
恭平 海野
Kyohei UNNO
圭 河村
Kei Kawamura
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KDDI Corp
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KDDI Corp
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Priority to JP2023066201A priority Critical patent/JP2024152166A/ja
Priority to PCT/JP2024/008606 priority patent/WO2024214442A1/ja
Publication of JP2024152166A publication Critical patent/JP2024152166A/ja
Publication of JP2024152166A5 publication Critical patent/JP2024152166A5/ja
Priority to US19/351,098 priority patent/US20260039849A1/en
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
    • H04N19/50—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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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

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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, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023066201A 2023-04-14 2023-04-14 点群復号装置、点群復号方法及びプログラム Pending JP2024152166A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023066201A JP2024152166A (ja) 2023-04-14 2023-04-14 点群復号装置、点群復号方法及びプログラム
PCT/JP2024/008606 WO2024214442A1 (ja) 2023-04-14 2024-03-06 点群復号装置、点群復号方法及びプログラム
US19/351,098 US20260039849A1 (en) 2023-04-14 2025-10-06 Point cloud decoding device, point cloud decoding method, and program

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JP2023066201A JP2024152166A (ja) 2023-04-14 2023-04-14 点群復号装置、点群復号方法及びプログラム

Publications (2)

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JP2024152166A true JP2024152166A (ja) 2024-10-25
JP2024152166A5 JP2024152166A5 (enExample) 2025-06-13

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US (1) US20260039849A1 (enExample)
JP (1) JP2024152166A (enExample)
WO (1) WO2024214442A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12425658B2 (en) * 2023-04-17 2025-09-23 Qualcomm Incorporated Predictive geometry coding for point cloud compression

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11935270B2 (en) * 2020-10-07 2024-03-19 Qualcomm Incorporated Predictive geometry coding in G-PCC
US12283073B2 (en) * 2020-12-29 2025-04-22 Qualcomm Incorporated Inter prediction coding for geometry point cloud compression

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US20260039849A1 (en) 2026-02-05

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