PL3989559T3 - Sposób i urządzenie do kodowania/dekodowania obrazu z wykorzystaniem ustawienia maksymalnego rozmiaru przekształcenia dla bloku chroma, i sposób przesyłania strumienia bitowego - Google Patents

Sposób i urządzenie do kodowania/dekodowania obrazu z wykorzystaniem ustawienia maksymalnego rozmiaru przekształcenia dla bloku chroma, i sposób przesyłania strumienia bitowego

Info

Publication number
PL3989559T3
PL3989559T3 PL20833095.1T PL20833095T PL3989559T3 PL 3989559 T3 PL3989559 T3 PL 3989559T3 PL 20833095 T PL20833095 T PL 20833095T PL 3989559 T3 PL3989559 T3 PL 3989559T3
Authority
PL
Poland
Prior art keywords
image encoding
chroma block
size setting
transform size
maximum transform
Prior art date
Application number
PL20833095.1T
Other languages
English (en)
Inventor
Ling Li
Jung Hak Nam
Original Assignee
Lg Electronics Inc.
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 Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of PL3989559T3 publication Critical patent/PL3989559T3/pl

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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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/10—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

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)
PL20833095.1T 2019-06-24 2020-06-24 Sposób i urządzenie do kodowania/dekodowania obrazu z wykorzystaniem ustawienia maksymalnego rozmiaru przekształcenia dla bloku chroma, i sposób przesyłania strumienia bitowego PL3989559T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962865949P 2019-06-24 2019-06-24
PCT/KR2020/008234 WO2020262963A1 (ko) 2019-06-24 2020-06-24 크로마 블록의 최대 변환 크기 설정을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
PL3989559T3 true PL3989559T3 (pl) 2025-06-16

Family

ID=74060293

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20833095.1T PL3989559T3 (pl) 2019-06-24 2020-06-24 Sposób i urządzenie do kodowania/dekodowania obrazu z wykorzystaniem ustawienia maksymalnego rozmiaru przekształcenia dla bloku chroma, i sposób przesyłania strumienia bitowego

Country Status (14)

Country Link
US (5) US11563942B2 (pl)
EP (2) EP4542995A3 (pl)
JP (2) JP7309928B2 (pl)
KR (2) KR20250121458A (pl)
CN (4) CN120583225A (pl)
BR (1) BR112021026544A2 (pl)
ES (1) ES3030286T3 (pl)
FI (1) FI3989559T3 (pl)
HR (1) HRP20250571T1 (pl)
HU (1) HUE071363T2 (pl)
MX (4) MX2022000028A (pl)
PL (1) PL3989559T3 (pl)
SI (1) SI3989559T1 (pl)
WO (1) WO2020262963A1 (pl)

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EP3942800A4 (en) * 2019-05-24 2022-06-01 Huawei Technologies Co., Ltd. ENCODERS, DECODERS AND RELATED METHODS USING AN IBC MERGE LIST
US12470716B2 (en) * 2022-05-16 2025-11-11 Tencent America LLC Chroma from luma prediction based on merged chroma blocks
EP4649666A1 (en) * 2023-01-10 2025-11-19 MediaTek Inc. Methods and apparatus of cross-component model merge mode for video coding
CN121079981A (zh) * 2023-04-12 2025-12-05 三星电子株式会社 视频解码方法及其设备、视频编码方法及其设备

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KR101503269B1 (ko) * 2010-04-05 2015-03-17 삼성전자주식회사 영상 부호화 단위에 대한 인트라 예측 모드 결정 방법 및 장치, 및 영상 복호화 단위에 대한 인트라 예측 모드 결정 방법 및 장치
MX350187B (es) * 2011-10-24 2017-08-29 Infobridge Pte Ltd Metodo y aparato para la decodificacion de imagenes.
KR20130049525A (ko) 2011-11-04 2013-05-14 오수미 잔차 블록 복원을 위한 역변환 방법
KR20130049526A (ko) 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
US9955169B2 (en) 2012-01-30 2018-04-24 Electronics And Telecommunications Research Institute Intra prediction mode encoding/decoding method and apparatus
CN108712652A (zh) * 2012-06-29 2018-10-26 韩国电子通信研究院 视频编码方法和计算机可读介质
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
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US9743091B2 (en) * 2012-12-17 2017-08-22 Lg Electronics Inc. Method for encoding/decoding image, and device using same
KR101596085B1 (ko) * 2012-12-18 2016-02-19 한양대학교 산학협력단 적응적인 인트라 예측을 이용한 영상 부호화/복호화 장치 및 방법
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CN117201808A (zh) 2016-08-01 2023-12-08 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
CN111095926B (zh) * 2017-09-12 2024-08-06 三星电子株式会社 用于对运动信息进行编码和解码的方法以及用于对运动信息进行编码和解码的装置
WO2019076138A1 (en) * 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
CN115037932B (zh) * 2017-10-18 2025-08-26 英迪股份有限公司 图像编码/解码方法和装置以及存储有比特流的记录介质
CN118338017A (zh) * 2017-11-22 2024-07-12 英迪股份有限公司 用于解码图像的方法、用于编码图像的方法和非暂态存储介质
IL321909A (en) * 2018-06-25 2025-09-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Intra-frame prediction method and device
CN119363978A (zh) * 2018-08-24 2025-01-24 三星电子株式会社 视频解码方法和设备、以及视频编码方法和设备
US20200252608A1 (en) * 2019-02-05 2020-08-06 Qualcomm Incorporated Sub-partition intra prediction
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KR102648569B1 (ko) * 2019-05-13 2024-03-19 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 변환 스킵 모드의 블록 치수 설정들

Also Published As

Publication number Publication date
JP7309928B2 (ja) 2023-07-18
JP7554881B2 (ja) 2024-09-20
EP4542995A3 (en) 2025-07-09
US12003721B2 (en) 2024-06-04
HUE071363T2 (hu) 2025-08-28
MX2022000028A (es) 2022-03-11
FI3989559T3 (fi) 2025-05-28
US20220174278A1 (en) 2022-06-02
EP3989559A1 (en) 2022-04-27
SI3989559T1 (sl) 2025-06-30
KR102843174B1 (ko) 2025-08-05
US11563942B2 (en) 2023-01-24
US20250193396A1 (en) 2025-06-12
CN114270827B (zh) 2025-08-08
KR20220005591A (ko) 2022-01-13
MX2025003022A (es) 2025-05-02
MX2025003023A (es) 2025-05-02
EP3989559A4 (en) 2023-07-12
CN114270827A (zh) 2022-04-01
JP2023126891A (ja) 2023-09-12
ES3030286T3 (en) 2025-06-27
US12262011B2 (en) 2025-03-25
US20230328238A1 (en) 2023-10-12
US11770529B2 (en) 2023-09-26
US20240373004A1 (en) 2024-11-07
EP4542995A2 (en) 2025-04-23
BR112021026544A2 (pt) 2022-02-15
CN120568049A (zh) 2025-08-29
WO2020262963A1 (ko) 2020-12-30
KR20250121458A (ko) 2025-08-12
HRP20250571T1 (hr) 2025-07-04
EP3989559B1 (en) 2025-04-16
US20230080094A1 (en) 2023-03-16
MX2025003024A (es) 2025-05-02
JP2022540025A (ja) 2022-09-14
CN120583225A (zh) 2025-09-02
CN120568050A (zh) 2025-08-29

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