PL4017008T3 - Kodowanie obrazu oparte na przekształceniu - Google Patents

Kodowanie obrazu oparte na przekształceniu

Info

Publication number
PL4017008T3
PL4017008T3 PL20866694.1T PL20866694T PL4017008T3 PL 4017008 T3 PL4017008 T3 PL 4017008T3 PL 20866694 T PL20866694 T PL 20866694T PL 4017008 T3 PL4017008 T3 PL 4017008T3
Authority
PL
Poland
Prior art keywords
transform
image coding
based image
coding
image
Prior art date
Application number
PL20866694.1T
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 PL4017008T3 publication Critical patent/PL4017008T3/pl

Links

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
    • H04N19/119Adaptive 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
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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)
PL20866694.1T 2019-09-21 2020-09-21 Kodowanie obrazu oparte na przekształceniu PL4017008T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962903823P 2019-09-21 2019-09-21
US201962904636P 2019-09-23 2019-09-23
PCT/KR2020/012707 WO2021054798A1 (ko) 2019-09-21 2020-09-21 변환에 기반한 영상 코딩 방법 및 그 장치

Publications (1)

Publication Number Publication Date
PL4017008T3 true PL4017008T3 (pl) 2024-08-26

Family

ID=74884126

Family Applications (2)

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

Family Applications Before (1)

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

Country Status (14)

Country Link
US (2) US12262015B2 (pl)
EP (3) EP4395318B1 (pl)
KR (2) KR102864727B1 (pl)
CN (5) CN119496894A (pl)
CA (2) CA3155433C (pl)
ES (2) ES3038093T3 (pl)
FI (1) FI4017008T3 (pl)
HR (2) HRP20240943T1 (pl)
HU (2) HUE067613T2 (pl)
MX (5) MX2022003322A (pl)
PL (2) PL4395318T3 (pl)
RS (1) RS67060B1 (pl)
SI (1) SI4017008T1 (pl)
WO (1) WO2021054798A1 (pl)

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WO2021130097A1 (en) * 2019-12-24 2021-07-01 Interdigital Vc Holdings France Spatial predictor scan order
BR112022014908A2 (pt) * 2020-03-27 2022-10-04 Atins Inc Métodos de decodificação de vídeo e dispositivo de decodificação de vídeo
US11902531B2 (en) * 2021-04-12 2024-02-13 Qualcomm Incorporated Low frequency non-separable transform for video coding
US20260107017A1 (en) * 2022-10-16 2026-04-16 Lg Electronics Inc. Image encoding/decoding method and device, and recording medium on which bitstream is stored
CN119968851A (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
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

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EP2942957A1 (en) 2010-07-02 2015-11-11 HUMAX Holdings Co., Ltd. Apparatus for decoding images for intra-prediction
CN107105244B (zh) 2011-10-18 2020-11-10 株式会社Kt 一种在解码设备中对视频信号进行解码的方法
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
KR102850817B1 (ko) 2016-03-24 2025-08-27 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
KR20180001485A (ko) 2016-06-24 2018-01-04 한국전자통신연구원 변환 기반의 영상 부호화/복호화 방법 및 장치
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
EP3609184B1 (en) * 2017-07-04 2024-06-12 Samsung Electronics Co., Ltd. Image encoding method and apparatus, and image decoding method and apparatus
CN111684809B (zh) 2017-12-15 2022-08-19 Lg电子株式会社 基于变换的图像编码方法和用于该方法的装置
EP4307676A3 (en) 2017-12-21 2024-03-13 LG Electronics Inc. Method for coding image on basis of selective transform and device therefor
WO2020162737A1 (ko) * 2019-02-08 2020-08-13 주식회사 윌러스표준기술연구소 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
CA3240493A1 (en) * 2019-04-16 2020-10-22 Lg Electronics Inc. Transform for matrix-based intra-prediction in image coding
EP3991407A1 (en) 2019-06-25 2022-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder, encoder and methods comprising a coding for intra subpartitions
CN114223208B (zh) * 2019-08-17 2023-12-29 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
WO2021238828A1 (en) * 2020-05-27 2021-12-02 Beijing Bytedance Network Technology Co., Ltd. Indication of multiple transform matrices in coded video
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
CN119484820A (zh) 2025-02-18
CN119484821A (zh) 2025-02-18
US20220417518A1 (en) 2022-12-29
US20250184495A1 (en) 2025-06-05
ES2983826T3 (es) 2024-10-25
RS67060B1 (sr) 2025-08-29
CN119484822A (zh) 2025-02-18
FI4017008T3 (fi) 2024-07-23
CN119496894A (zh) 2025-02-21
MX2025009824A (es) 2025-09-02
PL4395318T3 (pl) 2025-11-17
MX2025009829A (es) 2025-09-02
KR20250150656A (ko) 2025-10-20
CA3258398A1 (en) 2025-03-27
EP4017008A1 (en) 2022-06-22
SI4017008T1 (sl) 2024-08-30
EP4589947A2 (en) 2025-07-23
HUE067613T2 (hu) 2024-11-28
EP4395318A2 (en) 2024-07-03
EP4017008B1 (en) 2024-06-19
HRP20250935T1 (hr) 2025-09-26
EP4395318A3 (en) 2024-09-04
KR20220047628A (ko) 2022-04-18
HUE072498T2 (hu) 2025-11-28
CN114586353A (zh) 2022-06-03
EP4395318B1 (en) 2025-07-16
MX2025009828A (es) 2025-09-02
CA3155433C (en) 2024-11-19
MX2025009823A (es) 2025-09-02
KR102864727B1 (ko) 2025-09-25
CA3155433A1 (en) 2021-03-25
ES3038093T3 (en) 2025-10-09
EP4395318C0 (en) 2025-07-16
EP4017008A4 (en) 2022-11-09
MX2022003322A (es) 2022-05-06
WO2021054798A1 (ko) 2021-03-25
EP4589947A3 (en) 2025-07-30
HRP20240943T1 (hr) 2024-11-22
US12262015B2 (en) 2025-03-25
CN114586353B (zh) 2025-01-14

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