TWI777907B - 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 - Google Patents

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 Download PDF

Info

Publication number
TWI777907B
TWI777907B TW111111115A TW111111115A TWI777907B TW I777907 B TWI777907 B TW I777907B TW 111111115 A TW111111115 A TW 111111115A TW 111111115 A TW111111115 A TW 111111115A TW I777907 B TWI777907 B TW I777907B
Authority
TW
Taiwan
Prior art keywords
conversion
base
inverse
unit
current block
Prior art date
Application number
TW111111115A
Other languages
English (en)
Chinese (zh)
Other versions
TW202231067A (zh
Inventor
大川真人
齋藤秀雄
遠間正真
西孝啓
安倍清史
加納龍一
Original Assignee
美商松下電器(美國)知識產權公司
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 美商松下電器(美國)知識產權公司 filed Critical 美商松下電器(美國)知識產權公司
Publication of TW202231067A publication Critical patent/TW202231067A/zh
Application granted granted Critical
Publication of TWI777907B publication Critical patent/TWI777907B/zh

Links

Images

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)
TW111111115A 2017-07-13 2018-07-10 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 TWI777907B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762532050P 2017-07-13 2017-07-13
US62/532,050 2017-07-13

Publications (2)

Publication Number Publication Date
TW202231067A TW202231067A (zh) 2022-08-01
TWI777907B true TWI777907B (zh) 2022-09-11

Family

ID=65002115

Family Applications (5)

Application Number Title Priority Date Filing Date
TW111111115A TWI777907B (zh) 2017-07-13 2018-07-10 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
TW113137890A TW202508289A (zh) 2017-07-13 2018-07-10 編碼裝置、編碼方法、解碼裝置及解碼方法
TW112102272A TWI860614B (zh) 2017-07-13 2018-07-10 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
TW111131151A TWI794129B (zh) 2017-07-13 2018-07-10 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
TW107123847A TWI761551B (zh) 2017-07-13 2018-07-10 編碼裝置、編碼方法、解碼裝置及解碼方法

Family Applications After (4)

Application Number Title Priority Date Filing Date
TW113137890A TW202508289A (zh) 2017-07-13 2018-07-10 編碼裝置、編碼方法、解碼裝置及解碼方法
TW112102272A TWI860614B (zh) 2017-07-13 2018-07-10 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
TW111131151A TWI794129B (zh) 2017-07-13 2018-07-10 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
TW107123847A TWI761551B (zh) 2017-07-13 2018-07-10 編碼裝置、編碼方法、解碼裝置及解碼方法

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)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060251330A1 (en) * 2003-05-20 2006-11-09 Peter Toth Hybrid video compression method

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6341144B1 (en) 1996-09-20 2002-01-22 At&T Corp. Video coder providing implicit coefficient prediction and scan adaptation for image coding and intra coding of video
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
US6898288B2 (en) * 2001-10-22 2005-05-24 Telesecura Corporation Method and system for secure key exchange
DE10331803A1 (de) * 2003-07-14 2005-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Umsetzen in eine transformierte Darstellung oder zum inversen Umsetzen der transformierten Darstellung
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
US20050206741A1 (en) * 2004-03-19 2005-09-22 Raber Gregory W Law enforcement vehicle surveillance system
US20050264545A1 (en) 2004-05-27 2005-12-01 Walker Ray A Method and system for determining the location of a movable icon on a display surface
US20050265445A1 (en) * 2004-06-01 2005-12-01 Jun Xin Transcoding videos based on different transformation kernels
US20100086028A1 (en) 2007-04-16 2010-04-08 Kabushiki Kaisha Toshiba Video encoding and decoding method and apparatus
US20120127003A1 (en) * 2009-08-06 2012-05-24 Youji Shibahara Coding method, decoding method, coding apparatus, and decoding apparatus
TW201134225A (en) 2009-08-06 2011-10-01 Panasonic Corp Encoding method, decoding method, encoding device and decoding device
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
WO2011118156A1 (ja) * 2010-03-24 2011-09-29 パナソニック株式会社 画像復号装置、画像符号化装置、画像復号回路及び画像復号方法
US20130003838A1 (en) * 2011-06-30 2013-01-03 Futurewei Technologies, Inc. Lossless Coding and Associated Signaling Methods for Compound Video
CN104378637B (zh) * 2011-10-18 2017-11-21 株式会社Kt 视频信号解码方法
US9131210B2 (en) * 2012-03-16 2015-09-08 Texas Instruments Incorporated Low-complexity two-dimensional (2D) separable transform design with transpose buffer management
US9602826B2 (en) * 2014-06-27 2017-03-21 Massachusetts Institute Of Technology Managing transforms for compressing and decompressing visual data
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
CN105791867B (zh) * 2016-03-23 2019-02-22 北京大学 基于边界自适应变换的优化视频数据编码方法
US10904526B2 (en) * 2016-03-28 2021-01-26 Kt Corporation Method and apparatus for processing video signal
WO2017173593A1 (en) * 2016-04-06 2017-10-12 Mediatek Singapore Pte. Ltd. Separate coding secondary transform syntax elements for different color components
US10887626B2 (en) * 2016-05-13 2021-01-05 Sharp Kabushiki Kaisha Image decoding device and image encoding device
US11228770B2 (en) * 2016-05-16 2022-01-18 Qualcomm Incorporated Loop sample processing for high dynamic range and wide color gamut video coding
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060251330A1 (en) * 2003-05-20 2006-11-09 Peter Toth Hybrid video compression method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
網路文獻 J. Chen et al., "Algorithm description of Joint Exploration Test Model 6 (JEM6)," Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, 6th Meeting: Hobart, AU, 31 March – 7 April 2017。 http://phenix.it-sudparis.eu/jvet/doc_end_user/current_document.php?id=3147; *
網路文獻 T. Tsukuba et al., "EE2.7-related: On secondary transform when primary transform is skipped," Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, 3rd Meeting: Geneva, CH, 26 May – 1 June 2016。 http://phenix.it-sudparis.eu/jvet/doc_end_user/current_document.php?id=2643 *

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
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
LT3955572T (lt) 2024-07-25
US11895299B2 (en) 2024-02-06

Similar Documents

Publication Publication Date Title
TWI774795B (zh) 編碼裝置、解碼裝置、編碼方法及解碼方法
JP7568875B2 (ja) 符号化装置、復号装置及び非一時的記憶媒体
KR102577599B1 (ko) 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
JP7771130B2 (ja) 符号化装置及び復号装置
TWI778137B (zh) 編碼裝置、解碼裝置、編碼方法及解碼方法
KR102679928B1 (ko) 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
TWI777031B (zh) 解碼裝置及編碼裝置
TWI776895B (zh) 編碼裝置及解碼裝置
TWI777904B (zh) 編碼裝置、解碼裝置及記錄媒體
JP7529740B2 (ja) 復号装置及び符号化装置
JP7535642B2 (ja) 符号化装置、及び、符号化方法
JP7665687B2 (ja) 符号化装置及び符号化方法
CN110692242A (zh) 编码装置、解码装置、编码方法和解码方法
CN111345039A (zh) 编码装置、解码装置、编码方法和解码方法
WO2019087878A1 (ja) 符号化装置、復号装置、符号化方法及び復号方法

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent