PL4277278T3 - Kodowanie obrazu w oparciu o przekształcenie - Google Patents

Kodowanie obrazu w oparciu o przekształcenie

Info

Publication number
PL4277278T3
PL4277278T3 PL23182212.3T PL23182212T PL4277278T3 PL 4277278 T3 PL4277278 T3 PL 4277278T3 PL 23182212 T PL23182212 T PL 23182212T PL 4277278 T3 PL4277278 T3 PL 4277278T3
Authority
PL
Poland
Prior art keywords
transformation
image coding
based image
coding
image
Prior art date
Application number
PL23182212.3T
Other languages
English (en)
Inventor
Moonmo Koo
Jaehyun Lim
Jungah CHOI
Seunghwan Kim
Mehdi SALEHIFAR
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 PL4277278T3 publication Critical patent/PL4277278T3/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
    • H04N19/70—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
    • 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
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL23182212.3T 2019-03-12 2020-03-12 Kodowanie obrazu w oparciu o przekształcenie PL4277278T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962817494P 2019-03-12 2019-03-12
US201962817490P 2019-03-12 2019-03-12
US201962822000P 2019-03-21 2019-03-21
US201962823571P 2019-03-25 2019-03-25

Publications (1)

Publication Number Publication Date
PL4277278T3 true PL4277278T3 (pl) 2025-04-14

Family

ID=72427588

Family Applications (3)

Application Number Title Priority Date Filing Date
PL23182212.3T PL4277278T3 (pl) 2019-03-12 2020-03-12 Kodowanie obrazu w oparciu o przekształcenie
PL20770672.2T PL3910956T3 (pl) 2019-03-12 2020-03-12 Sposób i urządzenie do kodowania obrazu opartego na transformacji
PL24186964.3T PL4418656T3 (pl) 2019-03-12 2020-03-12 Urządzenie do kodowania obrazu w oparciu o przekształcenie

Family Applications After (2)

Application Number Title Priority Date Filing Date
PL20770672.2T PL3910956T3 (pl) 2019-03-12 2020-03-12 Sposób i urządzenie do kodowania obrazu opartego na transformacji
PL24186964.3T PL4418656T3 (pl) 2019-03-12 2020-03-12 Urządzenie do kodowania obrazu w oparciu o przekształcenie

Country Status (14)

Country Link
US (2) US12041239B2 (pl)
EP (4) EP4561066A3 (pl)
KR (3) KR102873043B1 (pl)
CN (4) CN117294848A (pl)
AU (3) AU2020234409B2 (pl)
ES (3) ES2953235T3 (pl)
FI (1) FI3910956T3 (pl)
HR (3) HRP20231091T1 (pl)
HU (3) HUE063009T2 (pl)
MX (5) MX2021009649A (pl)
PL (3) PL4277278T3 (pl)
RS (1) RS66892B1 (pl)
SI (1) SI3910956T1 (pl)
WO (1) WO2020185005A1 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3989562B1 (en) * 2019-06-19 2024-05-22 Lg Electronics Inc. Coding of information about transform kernel set
WO2025116667A1 (ko) * 2023-11-30 2025-06-05 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR122021004665B1 (pt) * 2010-07-09 2023-01-24 Samsung Electronics Co., Ltd Método para decodificar coeficientes de transformação por entropia
US8902988B2 (en) * 2010-10-01 2014-12-02 Qualcomm Incorporated Zero-out of high frequency coefficients and entropy coding retained coefficients using a joint context model
US9042440B2 (en) 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US8976861B2 (en) 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
WO2012139192A2 (en) 2011-04-15 2012-10-18 Research In Motion Limited Methods and devices for coding and decoding the position of the last significant coefficient
US9491469B2 (en) 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
HUE050522T2 (hu) * 2011-06-28 2020-12-28 Samsung Electronics Co Ltd Video kódolási és dekódolási eljárás felhasználva aritmetikai kódolást az utolsó szignifikáns együttható kétdimenziós jelzésével
US9392301B2 (en) * 2011-07-01 2016-07-12 Qualcomm Incorporated Context adaptive entropy coding for non-square blocks in video coding
US20130003856A1 (en) 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
CN108471535A (zh) 2011-11-08 2018-08-31 三星电子株式会社 用于对视频进行解码的方法
US10129548B2 (en) * 2011-12-28 2018-11-13 Sharp Kabushiki Kaisha Arithmetic decoding device, image decoding device, and arithmetic coding device
RU2632409C1 (ru) * 2012-04-15 2017-10-04 Самсунг Электроникс Ко., Лтд. Способ обновления параметров для энтропийного кодирования и декодирования уровня коэффициентов преобразования, а также устройство энтропийного кодирования и устройство энтропийного декодирования уровня коэффициентов преобразования с его использованием
GB2519070A (en) 2013-10-01 2015-04-15 Sony Corp Data encoding and decoding
US9432696B2 (en) 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
US11233998B2 (en) 2015-05-29 2022-01-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
CN110402580A (zh) * 2017-01-03 2019-11-01 Lg 电子株式会社 图像处理方法及其装置
US11134272B2 (en) * 2017-06-29 2021-09-28 Qualcomm Incorporated Memory reduction for non-separable transforms
US10812797B2 (en) 2018-02-05 2020-10-20 Tencent America LLC Method, apparatus and medium for decoding or encoding using a low-complexity transform

Also Published As

Publication number Publication date
EP4418656C0 (en) 2025-05-21
AU2020234409B2 (en) 2023-11-02
EP4418656A2 (en) 2024-08-21
CN117278753A (zh) 2023-12-22
SI3910956T1 (sl) 2023-11-30
PL3910956T3 (pl) 2023-09-25
EP3910956B1 (en) 2023-08-09
ES3032767T3 (en) 2025-07-24
AU2025271091A1 (en) 2025-12-18
HRP20250243T1 (hr) 2025-04-11
EP3910956A4 (en) 2022-06-08
ES3014018T3 (en) 2025-04-16
US12574519B2 (en) 2026-03-10
KR20250154536A (ko) 2025-10-28
MX2025001344A (es) 2025-03-07
MX2025001341A (es) 2025-03-07
ES2953235T3 (es) 2023-11-08
HRP20250692T1 (hr) 2025-08-01
EP4418656B1 (en) 2025-05-21
WO2020185005A1 (ko) 2020-09-17
EP4277278B1 (en) 2025-02-05
US20240187601A1 (en) 2024-06-06
HUE071617T2 (hu) 2025-09-28
MX2025001345A (es) 2025-03-07
EP3910956A1 (en) 2021-11-17
EP4418656A3 (en) 2024-11-06
AU2024200638B2 (en) 2025-08-28
PL4418656T3 (pl) 2025-07-21
AU2024200638A1 (en) 2024-02-22
MX2025001346A (es) 2025-03-07
CN117294848A (zh) 2023-12-26
HUE070736T2 (hu) 2025-06-28
CN113597770B (zh) 2023-10-27
CN117278752A (zh) 2023-12-22
HUE063009T2 (hu) 2023-12-28
EP4277278A1 (en) 2023-11-15
AU2020234409A1 (en) 2021-11-04
US20220046246A1 (en) 2022-02-10
KR20220133325A (ko) 2022-10-04
EP4277278C0 (en) 2025-02-05
RS66892B1 (sr) 2025-07-31
US12041239B2 (en) 2024-07-16
FI3910956T3 (fi) 2023-09-01
KR102456938B1 (ko) 2022-10-20
MX2021009649A (es) 2021-12-10
EP4561066A2 (en) 2025-05-28
CN113597770A (zh) 2021-11-02
KR102873043B1 (ko) 2025-10-16
EP4561066A3 (en) 2025-06-04
KR20210102463A (ko) 2021-08-19
HRP20231091T1 (hr) 2023-12-22

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