EP2526696A4 - Verfahren und vorrichtung zur codierung eines bildblocks eines bildes sowie zugehöriges decodierungsverfahren und vorrichtung - Google Patents

Verfahren und vorrichtung zur codierung eines bildblocks eines bildes sowie zugehöriges decodierungsverfahren und vorrichtung

Info

Publication number
EP2526696A4
EP2526696A4 EP10843635.3A EP10843635A EP2526696A4 EP 2526696 A4 EP2526696 A4 EP 2526696A4 EP 10843635 A EP10843635 A EP 10843635A EP 2526696 A4 EP2526696 A4 EP 2526696A4
Authority
EP
European Patent Office
Prior art keywords
image
encoding
corresponding decoding
image block
decoding method
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.)
Ceased
Application number
EP10843635.3A
Other languages
English (en)
French (fr)
Other versions
EP2526696A1 (de
Inventor
Xiaozhong Xu
Zhibo Chen
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.)
InterDigital VC Holdings Inc
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of EP2526696A1 publication Critical patent/EP2526696A1/de
Publication of EP2526696A4 publication Critical patent/EP2526696A4/de
Ceased legal-status Critical Current

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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/169—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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 Of Band Width Or Redundancy In Fax (AREA)
EP10843635.3A 2010-01-22 2010-01-22 Verfahren und vorrichtung zur codierung eines bildblocks eines bildes sowie zugehöriges decodierungsverfahren und vorrichtung Ceased EP2526696A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/000102 WO2011088592A1 (en) 2010-01-22 2010-01-22 Method and device for encoding an image block of an image and corresponding decoding method and device

Publications (2)

Publication Number Publication Date
EP2526696A1 EP2526696A1 (de) 2012-11-28
EP2526696A4 true EP2526696A4 (de) 2014-06-04

Family

ID=44306367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10843635.3A Ceased EP2526696A4 (de) 2010-01-22 2010-01-22 Verfahren und vorrichtung zur codierung eines bildblocks eines bildes sowie zugehöriges decodierungsverfahren und vorrichtung

Country Status (2)

Country Link
EP (1) EP2526696A4 (de)
WO (1) WO2011088592A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106998470B (zh) * 2016-01-25 2020-03-20 华为技术有限公司 解码方法、编码方法、解码设备和编码设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1684524A1 (de) * 2005-01-19 2006-07-26 Samsung Electronics Co., Ltd. Verfahren und Vorrichtung zur Transformationskoeffizientenprädiktion in einem Videokodierer, Videokodierer und Videodekodierer mit dieser Vorrichtung, und Verfahren zur Kodierung und Dekodierung mit diesem Verfahren
US20070036224A1 (en) * 2005-08-12 2007-02-15 Microsoft Corporation Prediction of transform coefficients for image compression

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479527A (en) * 1993-12-08 1995-12-26 Industrial Technology Research Inst. Variable length coding system
FR2771581B1 (fr) * 1997-11-26 1999-12-17 Thomson Multimedia Sa Procede d'embrouillage et procede de desembrouillage de donnees video numeriques et dispositifs mettant en oeuvre les procedes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1684524A1 (de) * 2005-01-19 2006-07-26 Samsung Electronics Co., Ltd. Verfahren und Vorrichtung zur Transformationskoeffizientenprädiktion in einem Videokodierer, Videokodierer und Videodekodierer mit dieser Vorrichtung, und Verfahren zur Kodierung und Dekodierung mit diesem Verfahren
US20070036224A1 (en) * 2005-08-12 2007-02-15 Microsoft Corporation Prediction of transform coefficients for image compression

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
BING ZENG ET AL: "Directional Discrete Cosine Transformsâ A New Framework for Image Coding", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 18, no. 3, 1 March 2008 (2008-03-01), pages 305 - 313, XP011204025, ISSN: 1051-8215 *
CHUO-LING CHANG ET AL: "Direction-adaptive partitioned block transform for image coding", IMAGE PROCESSING, 2008. ICIP 2008. 15TH IEEE INTERNATIONAL CONFERENCE, IEEE, PISCATAWAY, NJ, USA, 12 October 2008 (2008-10-12), pages 145 - 148, XP031373959, ISBN: 978-1-4244-1765-0, DOI: 10.1109/ICIP.2008.4711712 *
See also references of WO2011088592A1 *
ZHANG YONG-DONG ET AL: "Fast 4x4 intra-prediction mode selection for H.264", 2004 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO : JUNE 27 - 30, 2004, TAIPEI, TAIWAN, IEEE OPERATIONS CENTER, PISCATAWAY, NJ, vol. 2, 27 June 2004 (2004-06-27), pages 1151 - 1154, XP010771028, ISBN: 978-0-7803-8603-7, DOI: 10.1109/ICME.2004.1394421 *
ZHIBO CHEN ET AL: "Pattern-based assembled DCT scheme for image coding", VISUAL COMMUNICATIONS AND IMAGE PROCESSING; 11-7-2010 - 14-7-2010; HUANG SHAN, AN HUI, CHINA,, 11 July 2010 (2010-07-11), XP030082199 *
ZHIBO CHEN ET AL: "Pattern-based Assembled DCT scheme with DC prediction and adaptive mode coding", INTERNATIONAL CONF. ON IMAGE PROCESSING (ICIP 2010), USA, 26 September 2010 (2010-09-26), pages 1253 - 1256, XP031813785, ISBN: 978-1-4244-7992-4 *

Also Published As

Publication number Publication date
EP2526696A1 (de) 2012-11-28
WO2011088592A1 (en) 2011-07-28

Similar Documents

Publication Publication Date Title
IL246886A (en) Character encoding device and method
GB2488830B (en) Method and device for encoding image data and method and device for decoding image data
EP2574056A4 (de) Vorrichtung und verfahren für bildkodierung und -dekodierung
EP2675169A4 (de) Verfahren zur kodierung und dekodierung von bildern und vorrichtung damit
EP2579598A4 (de) Verfahren zur codierung / decodierung hochauflösender bilder und vorrichtung zu seiner durchführung
GB2551088B (en) Method and apparatus for encoding/decoding image
EP2557795A4 (de) Verfahren und vorrichtung zur kodierung von videodaten sowie verfahren und vorrichtung zur dekodierung von videodaten
GB2503875B (en) Method and device for encoding or decoding an image
EP2723078A4 (de) Verfahren zur bildkodierung und -dekodierung sowie vorrichtung dafür
GB201719372D0 (en) Method and apparatus for encoding/decoding image
HUE059918T2 (hu) Kép-elõrejelzési dekódoló eszköz és kép-elõrejelzési dekódolási eljárás
EP2663079A4 (de) Verfahren zur kodierung und dekodierung von bildinformationen und vorrichtung damit
PL2661087T3 (pl) Sposób kodowania obrazów i urządzenie do kodowania obrazów
EP2583457A4 (de) Verfahren und vorrichtung zur kodierung und -dekodierung von bilddaten
EP2658256A4 (de) Verfahren und vorrichtung für bildkodierung und -dekodierung
HUE036051T2 (hu) Eljárás és berendezés kép kódolására és dekódolására nagy transzformációs egység felhasználásával
EP2685722A4 (de) Verfahren und vorrichtung zur verschlüsselung von bildern sowie verfahren und vorrichtung zur entschlüsselung von bildern
EP2569947A4 (de) Verfahren und vorrichtung zur kodierung von videosignalen sowie verfahren und vorrichtung zur dekodierung von videosignalen
EP2556674A4 (de) Verfahren und vorrichtung zur kodierung und dekodierung von videoinhalten
EP2721816A4 (de) Verfahren und vorrichtung zu kodierung und dekodierung eines bildes
EP2457378A4 (de) Verfahren und vorrichtung zur bildkodierung und -dekodierung
EP2750384A4 (de) Verfahren und vorrichtung zur kodierung und dekodierung eines bildes
EP2651136A4 (de) Mehrfachansichts-bildkodierungsverfahren, mehrfachansichts-bilddekodierungsverfahren, mehrfachansichts-bildkodierungsvorrichtung, mehrfachansichts-bilddekodierungsvorrichtung und programme dafür
GB2504069B (en) Method and device for predicting an image portion for encoding or decoding of an image
GB2498982B (en) Method and device for encoding or decoding an image

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120711

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140502

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 19/11 20140101AFI20140425BHEP

Ipc: H04N 19/18 20140101ALI20140425BHEP

Ipc: H04N 19/12 20140101ALI20140425BHEP

Ipc: H04N 19/176 20140101ALI20140425BHEP

Ipc: H04N 19/61 20140101ALI20140425BHEP

17Q First examination report despatched

Effective date: 20171005

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: INTERDIGITAL VC HOLDINGS, INC.

REG Reference to a national code

Ref country code: DE

Ref legal event code: R003

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20190527