PL4395318T3 - Kodowanie obrazu oparte na przekształceniu - Google Patents

Kodowanie obrazu oparte na przekształceniu

Info

Publication number
PL4395318T3
PL4395318T3 PL24176203.8T PL24176203T PL4395318T3 PL 4395318 T3 PL4395318 T3 PL 4395318T3 PL 24176203 T PL24176203 T PL 24176203T PL 4395318 T3 PL4395318 T3 PL 4395318T3
Authority
PL
Poland
Prior art keywords
transform
image coding
based image
coding
image
Prior art date
Application number
PL24176203.8T
Other languages
English (en)
Inventor
Moonmo Koo
Jaehyun Lim
Seunghwan Kim
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 PL4395318T3 publication Critical patent/PL4395318T3/pl

Links

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
    • H04N19/12—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/18—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
    • 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
    • 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

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 Of Band Width Or Redundancy In Fax (AREA)
PL24176203.8T 2019-09-21 2020-09-21 Kodowanie obrazu oparte na przekształceniu PL4395318T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962903823P 2019-09-21 2019-09-21
US201962904636P 2019-09-23 2019-09-23

Publications (1)

Publication Number Publication Date
PL4395318T3 true PL4395318T3 (pl) 2025-11-17

Family

ID=74884126

Family Applications (2)

Application Number Title Priority Date Filing Date
PL20866694.1T PL4017008T3 (pl) 2019-09-21 2020-09-21 Kodowanie obrazu oparte na przekształceniu
PL24176203.8T PL4395318T3 (pl) 2019-09-21 2020-09-21 Kodowanie obrazu oparte na przekształceniu

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL20866694.1T PL4017008T3 (pl) 2019-09-21 2020-09-21 Kodowanie obrazu oparte na przekształceniu

Country Status (14)

Country Link
US (2) US12262015B2 (pl)
EP (3) EP4589947A3 (pl)
KR (2) KR102864727B1 (pl)
CN (5) CN119496894A (pl)
CA (2) CA3258398A1 (pl)
ES (2) ES3038093T3 (pl)
FI (1) FI4017008T3 (pl)
HR (2) HRP20250935T1 (pl)
HU (2) HUE067613T2 (pl)
MX (5) MX2022003322A (pl)
PL (2) PL4017008T3 (pl)
RS (1) RS67060B1 (pl)
SI (1) SI4017008T1 (pl)
WO (1) WO2021054798A1 (pl)

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MX2022007299A (es) * 2019-12-24 2022-07-19 Interdigital Vc Holdings France Orden de exploracion de predictores espaciales.
CN119996710A (zh) * 2020-03-27 2025-05-13 三星电子株式会社 影像的译码方法及装置
US11902531B2 (en) * 2021-04-12 2024-02-13 Qualcomm Incorporated Low frequency non-separable transform for video coding
CN119968849A (zh) * 2022-10-16 2025-05-09 Lg 电子株式会社 图像编码/解码方法和设备及其上存储比特流的记录介质
WO2024085565A1 (ko) * 2022-10-16 2024-04-25 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
CN122055963A (zh) * 2023-10-02 2026-05-15 交互数字Ce专利控股有限公司 利用nspt的isp组合
US12689758B2 (en) * 2023-11-28 2026-07-21 Tencent America LLC Systems and methods for end of block coding for 2D coefficients block with 1D transforms

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US9036944B2 (en) 2010-07-02 2015-05-19 Humax Holdings Co., Ltd. Apparatus and method for encoding/decoding images for intra-prediction coding
WO2013058583A1 (ko) 2011-10-18 2013-04-25 주식회사 케이티 영상 부호화 방법, 영상 복호화 방법, 영상 부호화기 및 영상 복호화기
US9247254B2 (en) * 2011-10-27 2016-01-26 Qualcomm Incorporated Non-square transforms in intra-prediction video coding
CN104244010B (zh) 2013-06-14 2018-03-23 浙江大学 提高数字信号变换性能的方法及数字信号变换方法和装置
WO2017164441A1 (ko) * 2016-03-24 2017-09-28 엘지전자 주식회사 비디오 코딩 시스템에서 인터 예측 방법 및 장치
FR3050598B1 (fr) * 2016-04-26 2020-11-06 Bcom Procede de decodage d'une image numerique, procede de codage, dispositifs, et programmes d'ordinateurs associes
CN114422796B (zh) 2016-06-24 2025-05-02 韩国电子通信研究院 用于对视频进行编码/解码的方法
US10880564B2 (en) * 2016-10-01 2020-12-29 Qualcomm Incorporated Transform selection for video coding
WO2018066990A1 (ko) 2016-10-04 2018-04-12 김기백 영상 데이터 부호화/복호화 방법 및 장치
US12695874B2 (en) 2017-07-04 2026-07-28 Samsung Electronics Co., Ltd. Image encoding method and apparatus, and image decoding method and apparatus
EP3716630A4 (en) 2017-12-15 2021-01-27 LG Electronics Inc. METHOD AND DEVICE FOR IMAGE ENCODING BASED ON CONVERSION AND DEVICE FOR IT
BR122021019694B1 (pt) 2017-12-21 2022-05-17 Lg Electronics Inc Método de decodificação / codificação de imagem realizado por um aparelho de decodificação / codificação, aparelho de decodificação/codificação para decodificação/codificação de imagem, método e aparelho de transmissão de dados que compreende um fluxo de bits para uma imagem e mídia de armazenamento digital legível por computador não transitória
KR102967892B1 (ko) * 2019-02-08 2026-05-26 에이치에프아이 이노베이션 인크. 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치
US11539952B2 (en) * 2019-03-12 2022-12-27 Qualcomm Incorporated Implicit transform selection in video coding
AU2020257796B2 (en) * 2019-04-16 2023-11-02 Lg Electronics Inc. Transform for matrix-based intra-prediction in image coding
CN114097223B (zh) * 2019-06-25 2025-06-10 弗劳恩霍夫应用研究促进协会 解码器、编码器和包括对帧内子分区进行编码的方法
CN118632034A (zh) * 2019-08-17 2024-09-10 北京字节跳动网络技术有限公司 为视频中的缩减二次变换的边信息的上下文建模
US11206400B2 (en) * 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
WO2021071183A1 (ko) * 2019-10-06 2021-04-15 현대자동차주식회사 현재블록의 변환계수들을 역변환하는 방법 및 장치
KR102943594B1 (ko) * 2020-04-02 2026-03-24 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN115668923A (zh) * 2020-05-27 2023-01-31 抖音视界有限公司 编解码视频中多重变换矩阵的指示
US11924471B2 (en) * 2020-11-12 2024-03-05 Qualcomm Incorporated Context-based transform index signaling in video coding
CN117296325A (zh) * 2021-04-12 2023-12-26 Lg电子株式会社 用于设计低频不可分离变换的方法和设备
US12108031B2 (en) * 2021-04-16 2024-10-01 Tencent America LLC Harmonized design among multiple reference line intra prediction, transform partitioning and transform kernels

Also Published As

Publication number Publication date
MX2022003322A (es) 2022-05-06
CA3155433A1 (en) 2021-03-25
MX2025009824A (es) 2025-09-02
EP4395318A2 (en) 2024-07-03
PL4017008T3 (pl) 2024-08-26
MX2025009823A (es) 2025-09-02
MX2025009829A (es) 2025-09-02
FI4017008T3 (fi) 2024-07-23
HRP20250935T1 (hr) 2025-09-26
CA3258398A1 (en) 2025-03-27
KR20250150656A (ko) 2025-10-20
HRP20240943T1 (hr) 2024-11-22
KR20220047628A (ko) 2022-04-18
EP4395318B1 (en) 2025-07-16
ES2983826T3 (es) 2024-10-25
CN119484822A (zh) 2025-02-18
ES3038093T3 (en) 2025-10-09
HUE067613T2 (hu) 2024-11-28
US20250184495A1 (en) 2025-06-05
HUE072498T2 (hu) 2025-11-28
EP4017008B1 (en) 2024-06-19
EP4395318A3 (en) 2024-09-04
CA3155433C (en) 2024-11-19
WO2021054798A1 (ko) 2021-03-25
KR102864727B1 (ko) 2025-09-25
SI4017008T1 (sl) 2024-08-30
CN114586353B (zh) 2025-01-14
MX2025009828A (es) 2025-09-02
EP4395318C0 (en) 2025-07-16
CN119484821A (zh) 2025-02-18
CN114586353A (zh) 2022-06-03
CN119496894A (zh) 2025-02-21
US12262015B2 (en) 2025-03-25
US20220417518A1 (en) 2022-12-29
EP4017008A4 (en) 2022-11-09
EP4589947A2 (en) 2025-07-23
EP4589947A3 (en) 2025-07-30
EP4017008A1 (en) 2022-06-22
CN119484820A (zh) 2025-02-18
RS67060B1 (sr) 2025-08-29

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