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GB2492394B - Method of entropy encoding and decoding an image, and corresponding devices - Google Patents

Method of entropy encoding and decoding an image, and corresponding devices

Info

Publication number
GB2492394B
GB2492394B GB201111196A GB201111196A GB2492394B GB 2492394 B GB2492394 B GB 2492394B GB 201111196 A GB201111196 A GB 201111196A GB 201111196 A GB201111196 A GB 201111196A GB 2492394 B GB2492394 B GB 2492394B
Authority
GB
United Kingdom
Prior art keywords
decoding
image
entropy encoding
corresponding devices
devices
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
GB201111196A
Other versions
GB201111196D0 (en
GB2492394A (en
Inventor
Fabrice Le Leannec
Sebastien Lasserre
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB201111196A priority Critical patent/GB2492394B/en
Publication of GB201111196D0 publication Critical patent/GB201111196D0/en
Publication of GB2492394A publication Critical patent/GB2492394A/en
Application granted granted Critical
Publication of GB2492394B publication Critical patent/GB2492394B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
    • H03M7/3064—Segmenting
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031—Fixed length to variable length coding
    • H03M7/4037—Prefix coding
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6017—Methods or arrangements to increase the throughput
    • H03M7/6023—Parallelization
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6035—Handling of unkown probabilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB201111196A 2011-06-30 2011-06-30 Method of entropy encoding and decoding an image, and corresponding devices Active GB2492394B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201111196A GB2492394B (en) 2011-06-30 2011-06-30 Method of entropy encoding and decoding an image, and corresponding devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201111196A GB2492394B (en) 2011-06-30 2011-06-30 Method of entropy encoding and decoding an image, and corresponding devices

Publications (3)

Publication Number Publication Date
GB201111196D0 GB201111196D0 (en) 2011-08-17
GB2492394A GB2492394A (en) 2013-01-02
GB2492394B true GB2492394B (en) 2014-11-05

Family

ID=44511901

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201111196A Active GB2492394B (en) 2011-06-30 2011-06-30 Method of entropy encoding and decoding an image, and corresponding devices

Country Status (1)

Country Link
GB (1) GB2492394B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2506854B (en) * 2012-09-28 2015-09-30 Canon Kk Methods for transmitting a stream of data, methods for encoding video data, methods for decoding a stream of data and corresponding devices
CN104901704B (en) * 2015-06-04 2018-07-03 中国科学院苏州生物医学工程技术研究所 Has the body Sensor Network signal reconfiguring method of time-space correlative characteristics
US10735736B2 (en) * 2017-08-29 2020-08-04 Google Llc Selective mixing for entropy coding in video compression
WO2020258053A1 (en) * 2019-06-25 2020-12-30 Oppo广东移动通信有限公司 Image component prediction method and apparatus, and computer storage medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1913522A2 (en) * 2005-08-12 2008-04-23 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
EP2362657A1 (en) * 2010-02-18 2011-08-31 Research In Motion Limited Parallel entropy coding and decoding methods and devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1913522A2 (en) * 2005-08-12 2008-04-23 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
EP2362657A1 (en) * 2010-02-18 2011-08-31 Research In Motion Limited Parallel entropy coding and decoding methods and devices

Also Published As

Publication number Publication date
GB201111196D0 (en) 2011-08-17
GB2492394A (en) 2013-01-02

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