BRPI0410320A - método e aparelho para representação de granularidade de imagem por um ou mais parámetros - Google Patents

método e aparelho para representação de granularidade de imagem por um ou mais parámetros

Info

Publication number
BRPI0410320A
BRPI0410320A BRPI0410320-3A BRPI0410320A BRPI0410320A BR PI0410320 A BRPI0410320 A BR PI0410320A BR PI0410320 A BRPI0410320 A BR PI0410320A BR PI0410320 A BRPI0410320 A BR PI0410320A
Authority
BR
Brazil
Prior art keywords
parameters
film grain
representing image
image granularity
grain
Prior art date
Application number
BRPI0410320-3A
Other languages
English (en)
Inventor
Cristina Gomila
Alexander Kobilansky
Original Assignee
Thomson Licensing
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33476739&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0410320(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0410320A publication Critical patent/BRPI0410320A/pt
Publication of BRPI0410320B1 publication Critical patent/BRPI0410320B1/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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/60—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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/87—Producing a motion picture film from a television signal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20204—Removing film grain; Adding simulated film grain

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Color Television Systems (AREA)
  • Studio Devices (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

"MéTODO E APARELHO PARA REPRESENTAçãO DE GRANULARIDADE DE IMAGEM POR UM OU MAIS PARáMETROS". Para caracterizar grão de filme, um Caracterizador de grão de filme (23) recebe um fluxo de informações de entrada (12) e um fluxo de informações filtradas (24) do qual o grão de filme foi removido. Desses fluxos, o Caracterizador de Grão de filme 23 transmite uma mensagem que contém uma identidade de um modelo para simular grão, bem como pelo menos um de um conjunto de vários parâmetros, incluindo parâmetros de correlação, parâmetros independentes de intensidade e parâmetros dependentes de intensidade utilizados pelo modelo identificado. Um codificador (26, 13) codifica as informações de grão de filme para transmissão subseqüente.
BRPI0410320A 2003-05-15 2004-03-30 método e aparelho para representação de granularidade de imagem por um ou mais parâmetros BRPI0410320B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47071203P 2003-05-15 2003-05-15
PCT/US2004/009491 WO2004104931A1 (en) 2003-05-15 2004-03-30 Method and apparatus for representing image granularity by one or more parameters

Publications (2)

Publication Number Publication Date
BRPI0410320A true BRPI0410320A (pt) 2006-05-23
BRPI0410320B1 BRPI0410320B1 (pt) 2018-09-04

Family

ID=33476739

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0410383-1A BRPI0410383B1 (pt) 2003-05-15 2004-03-30 "método e aparelho para simular grão de filme por um ou mais parâmetros"
BRPI0410320A BRPI0410320B1 (pt) 2003-05-15 2004-03-30 método e aparelho para representação de granularidade de imagem por um ou mais parâmetros

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI0410383-1A BRPI0410383B1 (pt) 2003-05-15 2004-03-30 "método e aparelho para simular grão de filme por um ou mais parâmetros"

Country Status (19)

Country Link
US (1) US7742655B2 (pt)
EP (8) EP3798988B1 (pt)
JP (5) JP4960703B2 (pt)
KR (2) KR100991707B1 (pt)
CN (3) CN100371955C (pt)
AU (3) AU2004240456B2 (pt)
BR (2) BRPI0410383B1 (pt)
CA (4) CA2526016C (pt)
DK (6) DK3678097T3 (pt)
ES (6) ES2697523T3 (pt)
HU (5) HUE052520T2 (pt)
MX (2) MXPA05012295A (pt)
MY (2) MY165687A (pt)
PL (8) PL378934A1 (pt)
PT (6) PT1627360T (pt)
RU (3) RU2377652C2 (pt)
SI (6) SI3457359T1 (pt)
WO (2) WO2004105250A2 (pt)
ZA (2) ZA200509227B (pt)

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Also Published As

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ES2907226T3 (es) 2022-04-22
EP3678097A1 (en) 2020-07-08
SI3913579T1 (sl) 2022-09-30
HUE059614T2 (hu) 2022-12-28
JP4960703B2 (ja) 2012-06-27
EP3862973B1 (en) 2021-12-29
PL3678097T3 (pl) 2021-03-08
HK1087232A1 (zh) 2006-10-06
AU2004241535A1 (en) 2004-12-02
EP3457359B1 (en) 2020-02-26
HUE055529T2 (hu) 2021-12-28
CN1788281A (zh) 2006-06-14
DK3862973T3 (da) 2022-02-14
ES2781093T3 (es) 2020-08-28
PT3862973T (pt) 2022-02-17
SI3862973T1 (sl) 2022-04-29
PT3913579T (pt) 2022-08-26
SI1627360T1 (sl) 2018-12-31
CN101350891A (zh) 2009-01-21
JP2010206808A (ja) 2010-09-16
JP4919804B2 (ja) 2012-04-18
KR20060015725A (ko) 2006-02-20
PL3862973T3 (pl) 2022-04-04
SI3798988T1 (sl) 2021-11-30
EP3457359A1 (en) 2019-03-20
PL1627360T3 (pl) 2019-02-28
CN100371955C (zh) 2008-02-27
EP4083923A1 (en) 2022-11-02
EP1627360A1 (en) 2006-02-22
EP1627359A2 (en) 2006-02-22
EP3862973A1 (en) 2021-08-11
JP2011071998A (ja) 2011-04-07
BRPI0410383B1 (pt) 2018-04-17
EP3678097B1 (en) 2020-11-04
MXPA05012294A (es) 2006-05-31
CN1791891A (zh) 2006-06-21
PT3678097T (pt) 2020-12-07
JP2007514336A (ja) 2007-05-31
RU2005139138A (ru) 2006-06-27
PT1627360T (pt) 2018-11-29
KR100991707B1 (ko) 2010-11-04
EP1627360B1 (en) 2018-10-03
BRPI0410320B1 (pt) 2018-09-04
PT3798988T (pt) 2021-09-08
EP3798988B1 (en) 2021-08-04
DK3913579T3 (da) 2022-08-22
CA2526016A1 (en) 2004-12-02
JP2007515846A (ja) 2007-06-14
CA2875894C (en) 2016-10-25
RU2377652C2 (ru) 2009-12-27
BRPI0410383A (pt) 2006-07-04
CA2875893A1 (en) 2004-12-02
HUE057558T2 (hu) 2022-05-28
EP3798988A1 (en) 2021-03-31
PL3457359T3 (pl) 2020-07-13
RU2010102017A (ru) 2011-07-27
AU2010202031B2 (en) 2012-01-12
EP3913579A1 (en) 2021-11-24
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ZA200509231B (en) 2007-11-28
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CA2525937A1 (en) 2004-12-02
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AU2004240456B2 (en) 2010-06-10
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