LT3955572T - Kodavimo prietaisas, kodavimo būdas, dekodavimo prietaisas ir dekodavimo būdas - Google Patents

Kodavimo prietaisas, kodavimo būdas, dekodavimo prietaisas ir dekodavimo būdas

Info

Publication number
LT3955572T
LT3955572T LTEP21199072.6T LT21199072T LT3955572T LT 3955572 T LT3955572 T LT 3955572T LT 21199072 T LT21199072 T LT 21199072T LT 3955572 T LT3955572 T LT 3955572T
Authority
LT
Lithuania
Prior art keywords
coding
decoding
decoding device
decoding method
coding method
Prior art date
Application number
LTEP21199072.6T
Other languages
English (en)
Lithuanian (lt)
Inventor
Masato Ohkawa
Hideo Saitou
Tadamasa Toma
Takahiro Nishi
Kiyofumi Abe
Ryuichi Kanoh
Original Assignee
Panasonic Intellectual Property Corporation Of America
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 Panasonic Intellectual Property Corporation Of America filed Critical Panasonic Intellectual Property Corporation Of America
Publication of LT3955572T publication Critical patent/LT3955572T/lt

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
    • H04N19/12Selection 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
    • H04N19/124Quantisation
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/60Methods 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]
    • 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
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H04N19/619Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the prediction loop

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, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
LTEP21199072.6T 2017-07-13 2018-07-11 Kodavimo prietaisas, kodavimo būdas, dekodavimo prietaisas ir dekodavimo būdas LT3955572T (lt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201762532050P 2017-07-13 2017-07-13

Publications (1)

Publication Number Publication Date
LT3955572T true LT3955572T (lt) 2024-07-25

Family

ID=65002115

Family Applications (2)

Application Number Title Priority Date Filing Date
LTEPPCT/JP2018/026113T LT3637767T (lt) 2017-07-13 2018-07-11 Kodavimo prietaisas, kodavimo būdas, dekodavimo prietaisas ir dekodavimo būdas
LTEP21199072.6T LT3955572T (lt) 2017-07-13 2018-07-11 Kodavimo prietaisas, kodavimo būdas, dekodavimo prietaisas ir dekodavimo būdas

Family Applications Before (1)

Application Number Title Priority Date Filing Date
LTEPPCT/JP2018/026113T LT3637767T (lt) 2017-07-13 2018-07-11 Kodavimo prietaisas, kodavimo būdas, dekodavimo prietaisas ir dekodavimo būdas

Country Status (14)

Country Link
US (4) US10742977B2 (enExample)
EP (3) EP3637767B1 (enExample)
JP (4) JP6756919B2 (enExample)
KR (5) KR102760415B1 (enExample)
CN (7) CN113115035B (enExample)
BR (1) BR112020000219A2 (enExample)
CA (2) CA3069579C (enExample)
ES (2) ES2917553T3 (enExample)
HU (2) HUE067294T2 (enExample)
LT (2) LT3637767T (enExample)
MX (2) MX378073B (enExample)
PL (2) PL3637767T3 (enExample)
TW (5) TWI777907B (enExample)
WO (1) WO2019013235A1 (enExample)

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TWI777907B (zh) * 2017-07-13 2022-09-11 美商松下電器(美國)知識產權公司 編碼裝置、編碼方法、解碼裝置、解碼方法及電腦可讀取之非暫時性媒體
KR102825862B1 (ko) 2018-09-05 2025-06-26 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
WO2020185429A1 (en) * 2019-03-11 2020-09-17 Alibaba Group Holding Limited Method, device, and system for determining prediction weight for merge mode
CA3135146A1 (en) * 2019-04-16 2020-10-22 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
CN119402670A (zh) * 2019-04-24 2025-02-07 松下电器(美国)知识产权公司 编码装置、解码装置和非暂时性的计算机可读介质
CN117714688A (zh) * 2019-06-14 2024-03-15 松下电器(美国)知识产权公司 编码装置、解码装置和非暂时性的计算机可读取介质
US20230142928A1 (en) * 2020-04-02 2023-05-11 Lg Electronics Inc. Transform-based image coding method and device therefor
EP4338417A4 (en) 2021-05-12 2025-03-26 Nokia Technologies Oy A method, an apparatus and a computer program product for video encoding and video decoding
WO2025150799A1 (ko) * 2024-01-08 2025-07-17 주식회사 엘엑스 세미콘 변환 기반 영상 코딩 방법 및 그 장치

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JP3413720B2 (ja) * 1998-06-26 2003-06-09 ソニー株式会社 画像符号化方法及び装置、並びに画像復号方法及び装置
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JP2005184042A (ja) 2003-12-15 2005-07-07 Sony Corp 画像復号装置及び画像復号方法並びに画像復号プログラム
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CN102473315B (zh) * 2009-08-20 2016-08-03 汤姆森特许公司 再次使用树结构编码和解码二元集的方法和装置
KR101441879B1 (ko) * 2009-12-09 2014-09-23 에스케이텔레콤 주식회사 영상 부호화 장치 및 방법, 및 거기에 이용되는 변환 부호화 장치 및 방법, 변환기저 생성장치 및 방법, 및 영상 복호화 장치 및 방법
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TWI777907B (zh) * 2017-07-13 2022-09-11 美商松下電器(美國)知識產權公司 編碼裝置、編碼方法、解碼裝置、解碼方法及電腦可讀取之非暫時性媒體

Also Published As

Publication number Publication date
JP7771130B2 (ja) 2025-11-17
HUE059331T2 (hu) 2022-11-28
EP4373091A2 (en) 2024-05-22
CN114173122A (zh) 2022-03-11
CN114173123A (zh) 2022-03-11
JP7299386B2 (ja) 2023-06-27
CA3086574A1 (en) 2019-01-17
BR112020000219A2 (pt) 2020-07-07
JP6756919B2 (ja) 2020-09-16
MX378073B (es) 2025-03-10
CN114173124B (zh) 2023-10-27
CN114173125A (zh) 2022-03-11
CN110892720A (zh) 2020-03-17
US20250267263A1 (en) 2025-08-21
CN114173123B (zh) 2023-10-24
US20240146925A1 (en) 2024-05-02
KR102188582B1 (ko) 2020-12-08
MX2020013276A (es) 2021-02-22
US12309370B2 (en) 2025-05-20
JP7109511B2 (ja) 2022-07-29
EP4373091A3 (en) 2024-07-24
TWI761551B (zh) 2022-04-21
EP3637767A1 (en) 2020-04-15
EP3637767B1 (en) 2022-05-04
JP2023107985A (ja) 2023-08-03
EP3637767A4 (en) 2020-06-10
HUE067294T2 (hu) 2024-10-28
KR20250016500A (ko) 2025-02-03
JP2020191687A (ja) 2020-11-26
PL3955572T3 (pl) 2024-09-23
EP3955572B1 (en) 2024-05-08
CN114173121B (zh) 2023-10-27
CN114173121A (zh) 2022-03-11
LT3637767T (lt) 2022-06-27
WO2019013235A1 (ja) 2019-01-17
CN114173125B (zh) 2023-10-24
TWI860614B (zh) 2024-11-01
JP2022137273A (ja) 2022-09-21
PL3637767T3 (pl) 2022-08-22
EP3955572A1 (en) 2022-02-16
CA3069579C (en) 2020-08-25
TW202247664A (zh) 2022-12-01
TW202231067A (zh) 2022-08-01
KR20200139270A (ko) 2020-12-11
US20200322605A1 (en) 2020-10-08
KR102399384B1 (ko) 2022-05-18
CA3069579A1 (en) 2019-01-17
KR20220065103A (ko) 2022-05-19
TWI777907B (zh) 2022-09-11
TW202322631A (zh) 2023-06-01
ES2984938T3 (es) 2024-10-31
CN110892720B (zh) 2022-01-28
TW202508289A (zh) 2025-02-16
CN114173124A (zh) 2022-03-11
TWI794129B (zh) 2023-02-21
KR102760415B1 (ko) 2025-02-03
KR20230108353A (ko) 2023-07-18
US20200154105A1 (en) 2020-05-14
KR102556279B1 (ko) 2023-07-17
CN113115035B (zh) 2023-04-28
CN114173122B (zh) 2023-10-24
US10742977B2 (en) 2020-08-11
CN113115035A (zh) 2021-07-13
TW201909646A (zh) 2019-03-01
JPWO2019013235A1 (ja) 2020-03-26
ES2917553T3 (es) 2022-07-08
KR20200006171A (ko) 2020-01-17
US11895299B2 (en) 2024-02-06

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