PL3910956T3 - Sposób i urządzenie do kodowania obrazu opartego na transformacji - Google Patents

Sposób i urządzenie do kodowania obrazu opartego na transformacji

Info

Publication number
PL3910956T3
PL3910956T3 PL20770672.2T PL20770672T PL3910956T3 PL 3910956 T3 PL3910956 T3 PL 3910956T3 PL 20770672 T PL20770672 T PL 20770672T PL 3910956 T3 PL3910956 T3 PL 3910956T3
Authority
PL
Poland
Prior art keywords
transform
image coding
based image
coding
image
Prior art date
Application number
PL20770672.2T
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 PL3910956T3 publication Critical patent/PL3910956T3/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
    • H04N19/132Sampling, 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
    • H04N19/60Methods 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
    • 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
    • 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/134Methods 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
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods 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
    • H04N19/196Methods 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
    • 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
    • H04N19/625Methods 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)
PL20770672.2T 2019-03-12 2020-03-12 Sposób i urządzenie do kodowania obrazu opartego na transformacji PL3910956T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962817490P 2019-03-12 2019-03-12
US201962817494P 2019-03-12 2019-03-12
US201962822000P 2019-03-21 2019-03-21
US201962823571P 2019-03-25 2019-03-25
PCT/KR2020/003449 WO2020185005A1 (ko) 2019-03-12 2020-03-12 변환에 기반한 영상 코딩 방법 및 그 장치

Publications (1)

Publication Number Publication Date
PL3910956T3 true PL3910956T3 (pl) 2023-09-25

Family

ID=72427588

Family Applications (1)

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

Country Status (13)

Country Link
US (2) US20220046246A1 (pl)
EP (2) EP4277278A1 (pl)
KR (2) KR102456938B1 (pl)
CN (4) CN117294848A (pl)
AU (2) AU2020234409B2 (pl)
ES (1) ES2953235T3 (pl)
FI (1) FI3910956T3 (pl)
HR (1) HRP20231091T1 (pl)
HU (1) HUE063009T2 (pl)
MX (1) MX2021009649A (pl)
PL (1) PL3910956T3 (pl)
SI (1) SI3910956T1 (pl)
WO (1) WO2020185005A1 (pl)

Families Citing this family (1)

* 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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK3101901T3 (en) * 2010-07-09 2017-09-18 Samsung Electronics Co Ltd Method of entropy decoding transformation coefficients
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
CA2832086C (en) * 2011-04-15 2018-10-23 Blackberry Limited Methods and devices for coding and decoding the position of the last significant coefficient
US9167253B2 (en) * 2011-06-28 2015-10-20 Qualcomm Incorporated Derivation of the position in scan order of the last significant transform coefficient in video coding
CN105554510B (zh) * 2011-06-28 2019-06-28 三星电子株式会社 对视频进行解码的方法和设备
US9392301B2 (en) * 2011-07-01 2016-07-12 Qualcomm Incorporated Context adaptive entropy coding for non-square blocks in video coding
WO2013069991A1 (ko) * 2011-11-08 2013-05-16 삼성전자 주식회사 비디오의 산술 부호화 방법 및 그 장치, 비디오의 산술 복호화 방법 및 그 장치
JP6134651B2 (ja) * 2011-12-28 2017-05-24 シャープ株式会社 算術復号装置、算術符号化装置および算術復号方法
AU2013250108B2 (en) * 2012-04-15 2015-11-05 Samsung Electronics Co., Ltd. Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same
US11394974B2 (en) * 2017-01-03 2022-07-19 Lg Electronics Inc. Image processing method, and device for same
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
AU2020234409A1 (en) 2021-11-04
HUE063009T2 (hu) 2023-12-28
FI3910956T3 (fi) 2023-09-01
KR102456938B1 (ko) 2022-10-20
CN117278753A (zh) 2023-12-22
KR20210102463A (ko) 2021-08-19
EP3910956A1 (en) 2021-11-17
EP4277278A1 (en) 2023-11-15
EP3910956B1 (en) 2023-08-09
US20240187601A1 (en) 2024-06-06
HRP20231091T1 (hr) 2023-12-22
CN113597770A (zh) 2021-11-02
US20220046246A1 (en) 2022-02-10
SI3910956T1 (sl) 2023-11-30
CN113597770B (zh) 2023-10-27
ES2953235T3 (es) 2023-11-08
CN117278752A (zh) 2023-12-22
AU2020234409B2 (en) 2023-11-02
EP3910956A4 (en) 2022-06-08
MX2021009649A (es) 2021-12-10
WO2020185005A1 (ko) 2020-09-17
KR20220133325A (ko) 2022-10-04
CN117294848A (zh) 2023-12-26
AU2024200638A1 (en) 2024-02-22

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