EP2526696A4 - Method and device for encoding an image block of an image and corresponding decoding method and device - Google Patents

Method and device for encoding an image block of an image and corresponding decoding method and device

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
German (de)
French (fr)
Other versions
EP2526696A1 (en
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/en
Publication of EP2526696A4 publication Critical patent/EP2526696A4/en
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 Method and device for encoding an image block of an image and corresponding decoding method and device Ceased EP2526696A4 (en)

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 (en) 2012-11-28
EP2526696A4 true EP2526696A4 (en) 2014-06-04

Family

ID=44306367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10843635.3A Ceased EP2526696A4 (en) 2010-01-22 2010-01-22 Method and device for encoding an image block of an image and corresponding decoding method and device

Country Status (2)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106998470B (en) * 2016-01-25 2020-03-20 华为技术有限公司 Decoding method, encoding method, decoding apparatus, and encoding apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1684524A1 (en) * 2005-01-19 2006-07-26 Samsung Electronics Co., Ltd. Method and apparatus for predicting frequency transform coefficients in video codec, video encoder and decoder having the apparatus and encoding and decoding method using the method
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 (en) * 1997-11-26 1999-12-17 Thomson Multimedia Sa SCALING METHOD AND SCALING METHOD OF DIGITAL VIDEO DATA AND DEVICES IMPLEMENTING THE METHODS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1684524A1 (en) * 2005-01-19 2006-07-26 Samsung Electronics Co., Ltd. Method and apparatus for predicting frequency transform coefficients in video codec, video encoder and decoder having the apparatus and encoding and decoding method using the method
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
WO2011088592A1 (en) 2011-07-28
EP2526696A1 (en) 2012-11-28

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