BR112013022033A2 - aparelho, método e programa para codificar imagem e aparelho, método e programa para decodificar imagem - Google Patents

aparelho, método e programa para codificar imagem e aparelho, método e programa para decodificar imagem

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Publication number
BR112013022033A2
BR112013022033A2 BR112013022033A BR112013022033A BR112013022033A2 BR 112013022033 A2 BR112013022033 A2 BR 112013022033A2 BR 112013022033 A BR112013022033 A BR 112013022033A BR 112013022033 A BR112013022033 A BR 112013022033A BR 112013022033 A2 BR112013022033 A2 BR 112013022033A2
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BR
Brazil
Prior art keywords
program
unit configured
basic block
difference value
image
Prior art date
Application number
BR112013022033A
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English (en)
Other versions
BR112013022033B1 (pt
Inventor
Mitsuru Maeda
Original Assignee
Canon Kk
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Publication date
Application filed by Canon Kk filed Critical Canon Kk
Publication of BR112013022033A2 publication Critical patent/BR112013022033A2/pt
Publication of BR112013022033B1 publication Critical patent/BR112013022033B1/pt

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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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/134—Methods 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/42—Methods 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
    • H04N19/436—Methods 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 using parallelised computational arrangements
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

aparelho, método e programa para codificar imagem e aparelho, método e programa para decodificar imagem trata-se de um aparelho de processamento de imagem que inclui uma unidade de divisão configurada para dividir uma imagem de entrada em vários sub-blocos submetidos a controle de quantização, uma unidade de cálculo de parâmetro de quantização de sub-bloco configurada para calcular um parâmetro de quantização de cada um dos sub-blocos, uma unidade de cálculo de parâmetro de quantização de bloco básico configurada para configurar um bloco básico incluindo ao menos dois sub-blocos e para calcular o parâmetro de quantização do bloco básico, uma unidade de cálculo de valor da diferença configurada para calcular um valor da diferença entre o parâmetro de quantização do bloco básico e o parâmetro de quantização de cada sub-bloco incluído no bloco básico, e uma unidade de codificação de valor da diferença configurada para codificar o valor da diferença.
BR112013022033A 2011-03-09 2012-02-27 aparelho, método e programa para codificar imagem e aparelho, método e programa para decodificar imagem BR112013022033B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011051267A JP5875236B2 (ja) 2011-03-09 2011-03-09 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
PCT/JP2012/001319 WO2012120823A1 (en) 2011-03-09 2012-02-27 Image coding apparatus, method for coding image, program therefor, image decoding apparatus, method for decoding image, and program therefor

Publications (2)

Publication Number Publication Date
BR112013022033A2 true BR112013022033A2 (pt) 2016-11-29
BR112013022033B1 BR112013022033B1 (pt) 2019-12-31

Family

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BR112013022033A BR112013022033B1 (pt) 2011-03-09 2012-02-27 aparelho, método e programa para codificar imagem e aparelho, método e programa para decodificar imagem

Country Status (14)

Country Link
US (6) US9277221B2 (pt)
EP (5) EP3253060B1 (pt)
JP (1) JP5875236B2 (pt)
KR (6) KR102043579B1 (pt)
CN (6) CN107371035B (pt)
BR (1) BR112013022033B1 (pt)
ES (4) ES2641826T3 (pt)
HU (2) HUE060431T2 (pt)
PL (3) PL4114003T3 (pt)
PT (2) PT4114002T (pt)
RS (1) RS65462B1 (pt)
RU (5) RU2551800C2 (pt)
TR (1) TR201907745T4 (pt)
WO (1) WO2012120823A1 (pt)

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CN107371036A (zh) 2017-11-21
KR20180120794A (ko) 2018-11-06
CN107371037B (zh) 2020-03-06
CN107197265B (zh) 2020-01-14
US9979979B2 (en) 2018-05-22
ES2928850T3 (es) 2022-11-23
US20180270494A1 (en) 2018-09-20
PT4114003T (pt) 2024-03-26
RU2663353C2 (ru) 2018-08-03
KR20170143024A (ko) 2017-12-28
US9716895B2 (en) 2017-07-25
KR101914897B1 (ko) 2018-11-02
KR102043581B1 (ko) 2019-11-11
EP2684368A1 (en) 2014-01-15
US20130343665A1 (en) 2013-12-26
BR112013022033B1 (pt) 2019-12-31
CN107371035A (zh) 2017-11-21
KR102043580B1 (ko) 2019-11-11
CN107371035B (zh) 2019-12-20
RU2013145086A (ru) 2015-04-20
US10567785B2 (en) 2020-02-18
EP3253060B1 (en) 2019-04-10
WO2012120823A1 (en) 2012-09-13
JP5875236B2 (ja) 2016-03-02
US20190182500A1 (en) 2019-06-13
TR201907745T4 (tr) 2019-06-21
EP2684368B1 (en) 2017-07-26
US9277221B2 (en) 2016-03-01
US20170289563A1 (en) 2017-10-05
ES2974535T3 (es) 2024-06-27
CN103416057A (zh) 2013-11-27
KR102043579B1 (ko) 2019-11-11
HUE060431T2 (hu) 2023-03-28
PL3512199T3 (pl) 2023-01-23
RU2016141332A (ru) 2018-04-23
EP3512199A1 (en) 2019-07-17
CN107197265A (zh) 2017-09-22
KR101757960B1 (ko) 2017-07-13
ES2641826T3 (es) 2017-11-14
KR20180120792A (ko) 2018-11-06
CN107371038A (zh) 2017-11-21
CN107371036B (zh) 2020-03-10
EP4114002B1 (en) 2024-04-10
PL3253060T3 (pl) 2019-08-30
EP4114003A1 (en) 2023-01-04
EP4114003B1 (en) 2024-02-14
CN103416057B (zh) 2017-05-24
EP4114002A1 (en) 2023-01-04
CN107371037A (zh) 2017-11-21
KR20180120793A (ko) 2018-11-06
EP3253060A1 (en) 2017-12-06
EP2684368A4 (en) 2014-09-17
EP3512199B1 (en) 2022-09-07
RU2688266C1 (ru) 2019-05-21
CN107371038B (zh) 2019-08-23
US10554995B2 (en) 2020-02-04
RU2686027C1 (ru) 2019-04-23
US20160205400A1 (en) 2016-07-14
US10237568B2 (en) 2019-03-19
HUE043625T2 (hu) 2019-08-28
RS65462B1 (sr) 2024-05-31
KR20130129454A (ko) 2013-11-28
US20190182501A1 (en) 2019-06-13
JP2012191294A (ja) 2012-10-04
PT4114002T (pt) 2024-05-13
RU2603500C2 (ru) 2016-11-27
PL4114003T3 (pl) 2024-06-24
ES2726324T3 (es) 2019-10-03
RU2015113430A (ru) 2015-09-10
KR20150126738A (ko) 2015-11-12
RU2551800C2 (ru) 2015-05-27

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