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

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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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods 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

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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) CN114270827B (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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BR112021020933A2 (pt) * 2019-05-24 2021-12-21 Huawei Tech Co Ltd Codificador, decodificador e métodos correspondentes usando lista de fusão de ibc
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
DK2773118T3 (da) 2011-10-24 2020-12-07 Innotive Ltd Fremgangsmåde og apparat til billedafkodning
KR20130049526A (ko) 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
KR20130049525A (ko) * 2011-11-04 2013-05-14 오수미 잔차 블록 복원을 위한 역변환 방법
KR101620619B1 (ko) 2012-01-30 2016-05-12 한국전자통신연구원 인트라 예측 모드 부호화/복호화 방법 및 장치
ES2961654T3 (es) * 2012-06-29 2024-03-13 Electronics & Telecommunications Res Inst Método y dispositivo para codificar/decodificar imágenes
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
US9332257B2 (en) * 2012-10-01 2016-05-03 Qualcomm Incorporated Coded black flag coding for 4:2:2 sample format in video coding
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KR101596085B1 (ko) * 2012-12-18 2016-02-19 한양대학교 산학협력단 적응적인 인트라 예측을 이용한 영상 부호화/복호화 장치 및 방법
US11284103B2 (en) * 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
KR101642092B1 (ko) * 2014-10-06 2016-07-22 성균관대학교산학협력단 영상의 부호화/복호화 방법 및 이를 이용하는 장치
CN117201807A (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
KR102521521B1 (ko) * 2017-09-12 2023-04-14 삼성전자주식회사 움직임 정보의 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치
WO2019076138A1 (en) * 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
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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
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Also Published As

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

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