TWI784345B - 用於將編碼樹單元編碼與解碼的方法、設備及系統 - Google Patents

用於將編碼樹單元編碼與解碼的方法、設備及系統 Download PDF

Info

Publication number
TWI784345B
TWI784345B TW109139290A TW109139290A TWI784345B TW I784345 B TWI784345 B TW I784345B TW 109139290 A TW109139290 A TW 109139290A TW 109139290 A TW109139290 A TW 109139290A TW I784345 B TWI784345 B TW I784345B
Authority
TW
Taiwan
Prior art keywords
transform
chroma
lfnst
luma
component
Prior art date
Application number
TW109139290A
Other languages
English (en)
Chinese (zh)
Other versions
TW202123708A (zh
Inventor
克里斯多福 羅斯沃恩
Original Assignee
日商佳能股份有限公司
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 日商佳能股份有限公司 filed Critical 日商佳能股份有限公司
Publication of TW202123708A publication Critical patent/TW202123708A/zh
Application granted granted Critical
Publication of TWI784345B publication Critical patent/TWI784345B/zh

Links

Images

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
    • H04N19/169—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/70—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
    • 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
    • H04N19/18—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 a set of transform coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
TW109139290A 2019-12-03 2020-11-11 用於將編碼樹單元編碼與解碼的方法、設備及系統 TWI784345B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2019275552 2019-12-03
AU2019275552A AU2019275552B2 (en) 2019-12-03 2019-12-03 Method, apparatus and system for encoding and decoding a coding tree unit

Publications (2)

Publication Number Publication Date
TW202123708A TW202123708A (zh) 2021-06-16
TWI784345B true TWI784345B (zh) 2022-11-21

Family

ID=76220929

Family Applications (1)

Application Number Title Priority Date Filing Date
TW109139290A TWI784345B (zh) 2019-12-03 2020-11-11 用於將編碼樹單元編碼與解碼的方法、設備及系統

Country Status (6)

Country Link
US (1) US20220394311A1 (enExample)
JP (2) JP2023504333A (enExample)
CN (4) CN118573882A (enExample)
AU (2) AU2019275552B2 (enExample)
TW (1) TWI784345B (enExample)
WO (1) WO2021108833A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2022005517A (es) * 2019-11-13 2022-07-19 Lg Electronics Inc Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo.
AU2019275553B2 (en) * 2019-12-03 2022-10-06 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a coding tree unit
KR20220113369A (ko) * 2019-12-12 2022-08-12 소니그룹주식회사 화상 처리 장치 및 방법
JP7499665B2 (ja) 2020-09-29 2024-06-14 Kddi株式会社 点群復号装置、点群復号方法及びプログラム
CN116458159A (zh) * 2021-06-17 2023-07-18 腾讯美国有限责任公司 跳过变换标志编码
US12316866B2 (en) * 2021-06-17 2025-05-27 Tencent America LLC Skip transform flag coding

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170324643A1 (en) * 2016-05-03 2017-11-09 Qualcomm Incorporated Binarizing secondary transform index
WO2017191782A1 (en) * 2016-05-04 2017-11-09 Sharp Kabushiki Kaisha Systems and methods for coding transform data
US20190104322A1 (en) * 2016-05-13 2019-04-04 Sony Corporation Image processing apparatus and method
US20190306521A1 (en) * 2018-03-29 2019-10-03 Tencent America LLC Transform information prediction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012232992A1 (en) * 2012-09-28 2014-04-17 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the transform units of a coding unit
CN104782125B (zh) * 2012-11-08 2019-03-15 佳能株式会社 对编码单位的变换单位编码和解码的方法、设备和系统
CA3237826A1 (en) * 2017-01-03 2018-07-12 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image processing method and apparatus therefor
WO2019112394A1 (ko) * 2017-12-07 2019-06-13 한국전자통신연구원 채널들 간의 선택적인 정보 공유를 사용하는 부호화 및 복호화를 위한 방법 및 장치
CN111699682B (zh) * 2017-12-07 2025-06-06 韩国电子通信研究院 用于使用通道之间的选择性信息共享进行编码和解码的方法和设备
CN116866599A (zh) * 2017-12-15 2023-10-10 Lg电子株式会社 编解码设备和数据发送设备
US11039139B2 (en) * 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection
MX2022005517A (es) * 2019-11-13 2022-07-19 Lg Electronics Inc Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo.
MX2022005833A (es) * 2019-11-22 2022-06-09 Sony Group Corp Dispositivo y metodo de procesamiento de imagenes.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170324643A1 (en) * 2016-05-03 2017-11-09 Qualcomm Incorporated Binarizing secondary transform index
WO2017191782A1 (en) * 2016-05-04 2017-11-09 Sharp Kabushiki Kaisha Systems and methods for coding transform data
US20190104322A1 (en) * 2016-05-13 2019-04-04 Sony Corporation Image processing apparatus and method
US20190306521A1 (en) * 2018-03-29 2019-10-03 Tencent America LLC Transform information prediction

Also Published As

Publication number Publication date
AU2019275552B2 (en) 2022-10-13
CN118573884A (zh) 2024-08-30
WO2021108833A1 (en) 2021-06-10
US20220394311A1 (en) 2022-12-08
CN118573882A (zh) 2024-08-30
JP2024056945A (ja) 2024-04-23
JP2023504333A (ja) 2023-02-03
CN114667731A (zh) 2022-06-24
JP7755673B2 (ja) 2025-10-16
AU2019275552A1 (en) 2021-06-17
CN118573883A (zh) 2024-08-30
AU2022228215B2 (en) 2024-08-15
TW202123708A (zh) 2021-06-16
AU2022228215A1 (en) 2022-10-06

Similar Documents

Publication Publication Date Title
RU2767982C2 (ru) Системы и способы для разделения видеоблоков при внешнем прогнозировании среза видеоданных
TWI821610B (zh) 用於將編碼樹單元編碼與解碼的方法、設備及系統
TWI784345B (zh) 用於將編碼樹單元編碼與解碼的方法、設備及系統
CN115088259B (zh) 对视频样本块编码和解码的方法、设备和系统
JP7780575B2 (ja) ビデオサンプルのブロックを符号化および復号する方法、装置、およびシステム
JP7564921B2 (ja) ビデオサンプルのブロックを符号化及び復号するための方法、装置、及びシステム
JP7615281B2 (ja) ビデオサンプルのブロックを符号化並びに復号するための方法、装置、及びシステム
JP7780618B2 (ja) ビデオサンプルのブロックを符号化並びに復号するための方法、装置、及びシステム
JP2025186431A (ja) 符号化ユニットを復号および符号化する方法、装置およびプログラム
HK40125757A (zh) 从位流解码图像的方法和设备以及将图像编码在位流中的方法和设备
HK40085732A (en) Method, apparatus and system for encoding and decoding a block of video samples