CN105900424B - 解码装置、解码方法、编码装置以及编码方法 - Google Patents

解码装置、解码方法、编码装置以及编码方法 Download PDF

Info

Publication number
CN105900424B
CN105900424B CN201480054820.7A CN201480054820A CN105900424B CN 105900424 B CN105900424 B CN 105900424B CN 201480054820 A CN201480054820 A CN 201480054820A CN 105900424 B CN105900424 B CN 105900424B
Authority
CN
China
Prior art keywords
unit
block
image
transformation
data
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201480054820.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN105900424A (zh
Inventor
佐藤数史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN105900424A publication Critical patent/CN105900424A/zh
Application granted granted Critical
Publication of CN105900424B publication Critical patent/CN105900424B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/134Methods 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
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/523Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/42Methods 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
    • H04N19/43Hardware specially adapted for motion estimation or compensation

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)
CN201480054820.7A 2013-10-11 2014-10-02 解码装置、解码方法、编码装置以及编码方法 Active CN105900424B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013-214118 2013-10-11
JP2013214118A JP6287035B2 (ja) 2013-10-11 2013-10-11 復号装置および復号方法
PCT/JP2014/005027 WO2015052898A1 (en) 2013-10-11 2014-10-02 Decoding device, decoding method, encoding device, and encoding method

Publications (2)

Publication Number Publication Date
CN105900424A CN105900424A (zh) 2016-08-24
CN105900424B true CN105900424B (zh) 2019-05-28

Family

ID=51868273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480054820.7A Active CN105900424B (zh) 2013-10-11 2014-10-02 解码装置、解码方法、编码装置以及编码方法

Country Status (7)

Country Link
US (3) US10687060B2 (enExample)
EP (1) EP3039869B1 (enExample)
JP (1) JP6287035B2 (enExample)
KR (2) KR102338523B1 (enExample)
CN (1) CN105900424B (enExample)
TW (1) TWI684351B (enExample)
WO (1) WO2015052898A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6287035B2 (ja) * 2013-10-11 2018-03-07 ソニー株式会社 復号装置および復号方法
US9807398B2 (en) * 2014-09-30 2017-10-31 Avago Technologies General Ip (Singapore) Pte. Ltd. Mode complexity based coding strategy selection
US12256066B2 (en) * 2016-04-29 2025-03-18 Intellectual Discovery Co., Ltd. Method and apparatus for encoding/decoding video signal
US11343550B2 (en) * 2016-11-11 2022-05-24 Sony Corporation Transmission device, transmission method, and content distribution system
EP3349455A1 (en) * 2017-01-11 2018-07-18 Thomson Licensing Method and device for coding a block of video data, method and device for decoding a block of video data
WO2020057359A1 (en) * 2018-09-19 2020-03-26 Mediatek Inc. Methods and apparatuses of quantization scaling of transform coefficients in video coding system
CN109151505B (zh) * 2018-11-07 2021-02-26 深圳市网心科技有限公司 一种视频转码方法、系统、装置及计算机可读存储介质
CN111277840B (zh) * 2018-12-04 2022-02-08 华为技术有限公司 变换方法、反变换方法以及视频编码器和视频解码器
CN119967174A (zh) * 2018-12-26 2025-05-09 韩国电子通信研究院 量化矩阵编码/解码方法和装置以及存储比特流的记录介质
CN118945349A (zh) * 2019-06-14 2024-11-12 弗劳恩霍夫应用研究促进协会 具有改进的基于变换的缩放的编码器、解码器、方法和计算机程序
AU2020203330B2 (en) 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
CN113542798A (zh) * 2021-05-31 2021-10-22 浙江大华技术股份有限公司 视频流的传输方法、电子设备及存储介质
US12243274B2 (en) * 2021-12-07 2025-03-04 Cloudinary Ltd. System, device, and method for improved encoding and enhanced compression of images, videos, and media content

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013001278A1 (en) * 2011-06-27 2013-01-03 British Broadcasting Corporation Video encoding and decoding using transforms
CN104521232A (zh) * 2012-07-02 2015-04-15 韩国电子通信研究院 用于编码/解码图像的方法和设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9300973B2 (en) 2011-10-19 2016-03-29 Kt Corporation Method and apparatus for encoding/decoding image using transform skip flag
HUE043260T2 (hu) * 2012-02-29 2019-08-28 Sony Corp Képfeldolgozó eszköz és képfeldolgozási eljárás
US9426466B2 (en) * 2012-06-22 2016-08-23 Qualcomm Incorporated Transform skip mode
GB2503875B (en) * 2012-06-29 2015-06-10 Canon Kk Method and device for encoding or decoding an image
RU2624103C2 (ru) * 2012-09-06 2017-06-30 Сан Пэтент Траст Способ кодирования изображений, способ декодирования изображений, устройство кодирования изображений, устройство декодирования изображений и устройство кодирования и декодирования изображений
JP6210368B2 (ja) * 2012-09-18 2017-10-11 サン パテント トラスト 画像復号方法および画像復号装置
US9253483B2 (en) * 2012-09-25 2016-02-02 Google Technology Holdings LLC Signaling of scaling list
WO2014050676A1 (ja) * 2012-09-28 2014-04-03 ソニー株式会社 画像処理装置および方法
WO2014084903A1 (en) * 2012-11-28 2014-06-05 General Instrument Corporation Devices and methods for modifications of syntax related to transform skip for high efficiency video coding (hevc)
JP6287035B2 (ja) * 2013-10-11 2018-03-07 ソニー株式会社 復号装置および復号方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013001278A1 (en) * 2011-06-27 2013-01-03 British Broadcasting Corporation Video encoding and decoding using transforms
CN104521232A (zh) * 2012-07-02 2015-04-15 韩国电子通信研究院 用于编码/解码图像的方法和设备

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"Non-RCE2:Transform skip on large TUs";Peng X et al;《JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16》;20130716;全文 *
"On Transform Skip";Morigami Y et al;《JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16》;20120702;全文 *
"QM bypass for transform skip mode";Kim H Y et al;《MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11》;20120709;全文 *
"Transform skip based on minimum TU size";Won K et al;《JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16》;20130719;全文 *
"Transform Skipping in the presence of Scaling Lists";Flynn D et al;《JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16》;20120702;全文 *

Also Published As

Publication number Publication date
TW201524194A (zh) 2015-06-16
WO2015052898A1 (en) 2015-04-16
JP6287035B2 (ja) 2018-03-07
US11546594B2 (en) 2023-01-03
US20210250585A1 (en) 2021-08-12
US20200221090A1 (en) 2020-07-09
CN105900424A (zh) 2016-08-24
EP3039869A1 (en) 2016-07-06
KR20210043750A (ko) 2021-04-21
KR20160071364A (ko) 2016-06-21
KR102338523B1 (ko) 2021-12-14
KR102242722B1 (ko) 2021-04-22
EP3039869B1 (en) 2021-12-01
US10687060B2 (en) 2020-06-16
JP2015076859A (ja) 2015-04-20
US20160255346A1 (en) 2016-09-01
TWI684351B (zh) 2020-02-01

Similar Documents

Publication Publication Date Title
CN105900424B (zh) 解码装置、解码方法、编码装置以及编码方法
JP6780761B2 (ja) 画像符号化装置および方法
CN104429068B (zh) 图像处理装置及方法
TWI749530B (zh) 資訊處理設備及資訊處理方法
CN106412610B (zh) 图像处理装置和方法
JP6711353B2 (ja) 画像処理装置および画像処理方法
CN109417621A (zh) 图像处理装置及方法
CN109076226A (zh) 图像处理装置和方法
WO2015053115A1 (ja) 復号装置および復号方法、並びに、符号化装置および符号化方法
JP6256340B2 (ja) 画像処理装置および方法、並びにプログラム
CN109644269A (zh) 图像处理设备、图像处理方法和程序
KR20190003497A (ko) 화상 처리 장치 및 화상 처리 방법
WO2015137145A1 (ja) 画像符号化装置および方法、並びに画像復号装置および方法
JP6654434B2 (ja) 画像処理装置および方法
WO2018131524A1 (ja) 画像処理装置及び画像処理方法
WO2015053116A1 (ja) 復号装置および復号方法、並びに、符号化装置および符号化方法
WO2015064403A1 (ja) 画像処理装置および方法
WO2015056566A1 (ja) 画像処理装置および方法
WO2015053112A1 (ja) 復号装置および復号方法、並びに、符号化装置および符号化方法
JP6150134B2 (ja) 画像符号化装置および方法、画像復号装置および方法、プログラム、並びに記録媒体
JP6477930B2 (ja) 符号化装置および符号化方法
WO2015053111A1 (ja) 復号装置および復号方法、並びに、符号化装置および符号化方法
WO2014002900A1 (ja) 画像処理装置および画像処理方法
JP2015050738A (ja) 復号装置および復号方法、並びに、符号化装置および符号化方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant