TWI891623B - 視訊編碼及解碼之熵編碼 - Google Patents

視訊編碼及解碼之熵編碼

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Publication number
TWI891623B
TWI891623B TW109107339A TW109107339A TWI891623B TW I891623 B TWI891623 B TW I891623B TW 109107339 A TW109107339 A TW 109107339A TW 109107339 A TW109107339 A TW 109107339A TW I891623 B TWI891623 B TW I891623B
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TW
Taiwan
Prior art keywords
coding unit
context
current coding
decoding
mode
Prior art date
Application number
TW109107339A
Other languages
English (en)
Chinese (zh)
Other versions
TW202041033A (zh
Inventor
陳婭
法布萊斯 黎里安納克
坦吉 波里爾
Original Assignee
美商內數位Ｖｃ專利控股股份有限公司
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Application filed by 美商內數位Ｖｃ專利控股股份有限公司 filed Critical 美商內數位Ｖｃ專利控股股份有限公司
Publication of TW202041033A publication Critical patent/TW202041033A/zh
Application granted granted Critical
Publication of TWI891623B publication Critical patent/TWI891623B/zh

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Classifications

    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/10—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW109107339A 2019-03-11 2020-03-06 視訊編碼及解碼之熵編碼 TWI891623B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19305279.2 2019-03-11
EP19305279 2019-03-11

Publications (2)

Publication Number Publication Date
TW202041033A TW202041033A (zh) 2020-11-01
TWI891623B true TWI891623B (zh) 2025-08-01

Family

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Family Applications (2)

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TW109107339A TWI891623B (zh) 2019-03-11 2020-03-06 視訊編碼及解碼之熵編碼
TW114122137A TW202541506A (zh) 2019-03-11 2020-03-06 視訊編碼及解碼之熵編碼

Family Applications After (1)

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Country Status (10)

Country Link
US (3) US11962807B2 (https=)
EP (1) EP3939325A1 (https=)
JP (2) JP7617013B2 (https=)
KR (1) KR20210128497A (https=)
CN (3) CN119653118A (https=)
CA (1) CA3132160A1 (https=)
SG (1) SG11202109076QA (https=)
TW (2) TWI891623B (https=)
WO (1) WO2020185500A1 (https=)
ZA (1) ZA202106159B (https=)

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CN120980252A (zh) 2019-01-31 2025-11-18 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
WO2020185500A1 (en) * 2019-03-11 2020-09-17 Interdigital Vc Holdings, Inc. Entropy coding for video encoding and decoding
CN118985132A (zh) * 2022-04-11 2024-11-19 Oppo广东移动通信有限公司 一种编解码方法、编码器、解码器及存储介质
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Also Published As

Publication number Publication date
CN119653118A (zh) 2025-03-18
CA3132160A1 (en) 2020-09-17
JP2022525597A (ja) 2022-05-18
US20260075253A1 (en) 2026-03-12
SG11202109076QA (en) 2021-09-29
TW202041033A (zh) 2020-11-01
CN113647112B (zh) 2024-12-31
EP3939325A1 (en) 2022-01-19
JP7617013B2 (ja) 2025-01-17
JP2025041977A (ja) 2025-03-26
CN119653117A (zh) 2025-03-18
US12598326B2 (en) 2026-04-07
TW202541506A (zh) 2025-10-16
WO2020185500A1 (en) 2020-09-17
ZA202106159B (en) 2024-12-18
CN113647112A (zh) 2021-11-12
KR20210128497A (ko) 2021-10-26
US11962807B2 (en) 2024-04-16
US20240205461A1 (en) 2024-06-20
US20220116662A1 (en) 2022-04-14

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