BR112016028199A2 - precisão adaptativa e quantificação de uma matrix transformada de wavelet - Google Patents

precisão adaptativa e quantificação de uma matrix transformada de wavelet

Info

Publication number
BR112016028199A2
BR112016028199A2 BR112016028199-3A BR112016028199A BR112016028199A2 BR 112016028199 A2 BR112016028199 A2 BR 112016028199A2 BR 112016028199 A BR112016028199 A BR 112016028199A BR 112016028199 A2 BR112016028199 A2 BR 112016028199A2
Authority
BR
Brazil
Prior art keywords
quantification
matrix
wavelet matrix
adaptive precision
transformed wavelet
Prior art date
Application number
BR112016028199-3A
Other languages
English (en)
Inventor
Merc-Eric Gervais Than
Loubet Bruno
Bessou Nicolas
Guimiot Yves
Petitfils Mickael
Roques Sébastien
Original Assignee
Jean-Claude Colin
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 Jean-Claude Colin filed Critical Jean-Claude Colin
Publication of BR112016028199A2 publication Critical patent/BR112016028199A2/pt

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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/42—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
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR112016028199-3A 2014-06-04 2015-07-09 precisão adaptativa e quantificação de uma matrix transformada de wavelet BR112016028199A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1401280A FR3022064A1 (fr) 2014-06-04 2014-06-04 Precision adaptative et quantification d'une matrice transformee par ondelettes
FR14/01280 2014-06-04
PCT/FR2015/000141 WO2015185810A1 (fr) 2014-06-04 2015-07-09 Précision adaptative et quantification d'une matrice transformée par ondelettes

Publications (1)

Publication Number Publication Date
BR112016028199A2 true BR112016028199A2 (pt) 2018-07-03

Family

ID=54151309

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016028199-3A BR112016028199A2 (pt) 2014-06-04 2015-07-09 precisão adaptativa e quantificação de uma matrix transformada de wavelet

Country Status (9)

Country Link
US (1) US10432937B2 (pt)
EP (1) EP3152903B1 (pt)
JP (1) JP6684229B2 (pt)
KR (1) KR20180018253A (pt)
CN (1) CN106664408B (pt)
BR (1) BR112016028199A2 (pt)
CA (1) CA2989785A1 (pt)
FR (1) FR3022064A1 (pt)
WO (1) WO2015185810A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112511824B (zh) * 2020-11-27 2022-12-02 苏州浪潮智能科技有限公司 一种图像压缩采样方法及组件
CN117156157A (zh) * 2022-05-16 2023-12-01 华为技术有限公司 编解码方法及电子设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1276391C (zh) * 2004-06-18 2006-09-20 王国秋 基于小波变换的图像压缩方法
JP4378245B2 (ja) * 2004-08-23 2009-12-02 キヤノン株式会社 データ変換装置及び方法
US7421139B2 (en) * 2004-10-07 2008-09-02 Infoprint Solutions Company, Llc Reducing errors in performance sensitive transformations
WO2008143156A1 (ja) * 2007-05-17 2008-11-27 Sony Corporation 符号化装置および符号化方法、並びに復号装置および復号方法
WO2010077325A2 (en) * 2008-12-29 2010-07-08 Thomson Licensing Method and apparatus for adaptive quantization of subband/wavelet coefficients
CN102685501B (zh) * 2012-05-14 2014-11-12 西安电子科技大学 实现jpeg2000图像压缩的定点小波变换方法
CN104683818B (zh) * 2015-03-15 2017-11-21 西安电子科技大学 基于双正交不变集多小波的图像压缩方法

Also Published As

Publication number Publication date
US20170195673A1 (en) 2017-07-06
EP3152903B1 (fr) 2020-11-11
CA2989785A1 (en) 2015-12-10
WO2015185810A1 (fr) 2015-12-10
US10432937B2 (en) 2019-10-01
CN106664408B (zh) 2019-08-20
FR3022064A1 (fr) 2015-12-11
JP2017525185A (ja) 2017-08-31
KR20180018253A (ko) 2018-02-21
JP6684229B2 (ja) 2020-04-22
WO2015185810A4 (fr) 2016-03-03
CN106664408A (zh) 2017-05-10
WO2015185810A8 (fr) 2016-01-14
EP3152903A1 (fr) 2017-04-12

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Legal Events

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06G Technical and formal requirements: other requirements [chapter 6.7 patent gazette]

Free format text: O REQUERENTE APRESENTOU QUADRO COM 27 REIVINDICACOES CONFORME QUADRO APRESENTADO ANTES DO PEDIDO DE EXAME NA PETICAO 020160007295 DE 30/11/2016. ATRAVES DA PETICAO 800180250697 DE 09/07/2018 FOI PAGO O PEDIDO DE EXAME EQUIVALENTE A 10 REIVINDICACOES E COM DESCONTO PARA PESSOA FISICA, COM O VALOR PAGO DE R$ 236,00 (DUZENTOS E TRINTA E SEIS REAIS). PARA QUE POSSA SER ACEITO O PEDIDO DE EXAME FEITO: 1) COMPLEMENTE O PEDIDO DE EXAME (GRU COM CODIGO DE SERVICO 800) DE ACORDO COM A TABELA DE RETRIBUICOES VIGENTE NO MOMENTO DO CUMPRIMENTO DA EXIGENCIA PARA UM PEDIDO DE PATENTE DE INVENCAO COM ATE 27 REIVINDICACOES E DESCONTO PARA PESSOA FISICA. 2) APRESENTE A GRU DE COMPLEMENTACAO OU ESCLARECIMENTO

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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