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
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 After (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) EP4017008B1 (pl)
KR (2) KR20250150656A (pl)
CN (5) CN119484821A (pl)
CA (2) CA3258398A1 (pl)
ES (2) ES2983826T3 (pl)
FI (1) FI4017008T3 (pl)
HR (2) HRP20240943T1 (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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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US12231620B2 (en) * 2019-12-24 2025-02-18 Interdigital Ce Patent Holdings, Sas Spatial predictor scan order
CN119967191A (zh) * 2020-03-27 2025-05-09 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
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
WO2024085566A1 (ko) * 2022-10-16 2024-04-25 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2025073658A1 (en) * 2023-10-02 2025-04-10 Interdigital Ce Patent Holdings, Sas Isp combination with nspt

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KR20100095992A (ko) 2009-02-23 2010-09-01 한국과학기술원 비디오 부호화에서의 분할 블록 부호화 방법, 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
KR101292093B1 (ko) * 2010-07-02 2013-08-08 (주)휴맥스 화면내 예측 부호화를 위한 영상 부호화/복호화 장치 및 방법
CA2853002C (en) 2011-10-18 2017-07-25 Kt Corporation Method for encoding image, method for decoding image, image encoder, and image decoder
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
US10659801B2 (en) 2016-03-24 2020-05-19 Lg Electronics Inc. Method and apparatus for inter prediction in video coding system
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
WO2017222334A1 (ko) * 2016-06-24 2017-12-28 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
CN110832865A (zh) * 2017-07-04 2020-02-21 三星电子株式会社 图像编码方法和设备以及图像解码方法和设备
CA3210247A1 (en) * 2017-12-15 2019-06-20 Lg Electronics Inc. Image coding method on basis of transformation and device therefor
JP6980920B2 (ja) * 2017-12-21 2021-12-15 エルジー エレクトロニクス インコーポレイティドLg Electronics Inc. 選択的変換に基づいた映像コーディング方法およびその装置
KR20210114386A (ko) * 2019-02-08 2021-09-23 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
WO2020213944A1 (ko) * 2019-04-16 2020-10-22 엘지전자 주식회사 영상 코딩에서 매트릭스 기반의 인트라 예측을 위한 변환
CN120639965A (zh) 2019-06-25 2025-09-12 弗劳恩霍夫应用研究促进协会 视频解码器和视频解码方法、以及视频编码器和视频编码方法
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
US20220394255A1 (en) * 2019-10-06 2022-12-08 Hyundai Motor Company Method and device for performing an inverse transform on transform coefficients of a current block
WO2021201649A1 (ko) * 2020-04-02 2021-10-07 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
US20240146966A1 (en) * 2021-04-12 2024-05-02 Lg Electronics Inc. Method and apparatus for designing low frequency non-seperable transform
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
CN119496894A (zh) 2025-02-21
EP4017008A1 (en) 2022-06-22
EP4395318B1 (en) 2025-07-16
FI4017008T3 (fi) 2024-07-23
KR102864727B1 (ko) 2025-09-25
SI4017008T1 (sl) 2024-08-30
CN114586353A (zh) 2022-06-03
MX2025009823A (es) 2025-09-02
EP4017008A4 (en) 2022-11-09
CA3155433C (en) 2024-11-19
HRP20250935T1 (hr) 2025-09-26
CN119484821A (zh) 2025-02-18
MX2025009829A (es) 2025-09-02
RS67060B1 (sr) 2025-08-29
EP4395318A2 (en) 2024-07-03
HUE067613T2 (hu) 2024-11-28
EP4395318A3 (en) 2024-09-04
ES3038093T3 (en) 2025-10-09
HRP20240943T1 (hr) 2024-11-22
US12262015B2 (en) 2025-03-25
CN119484822A (zh) 2025-02-18
MX2025009828A (es) 2025-09-02
CN119484820A (zh) 2025-02-18
EP4395318C0 (en) 2025-07-16
KR20250150656A (ko) 2025-10-20
US20250184495A1 (en) 2025-06-05
CN114586353B (zh) 2025-01-14
PL4395318T3 (pl) 2025-11-17
CA3258398A1 (en) 2025-03-27
CA3155433A1 (en) 2021-03-25
HUE072498T2 (hu) 2025-11-28
US20220417518A1 (en) 2022-12-29
ES2983826T3 (es) 2024-10-25
EP4589947A2 (en) 2025-07-23
EP4017008B1 (en) 2024-06-19
EP4589947A3 (en) 2025-07-30
KR20220047628A (ko) 2022-04-18
WO2021054798A1 (ko) 2021-03-25
MX2022003322A (es) 2022-05-06
MX2025009824A (es) 2025-09-02

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