BRPI0518258A2 - tÉcnica de simulaÇço de granulaÇço de filme para uso nos dispositivos de reproduÇço de mÍdia - Google Patents

tÉcnica de simulaÇço de granulaÇço de filme para uso nos dispositivos de reproduÇço de mÍdia

Info

Publication number
BRPI0518258A2
BRPI0518258A2 BRPI0518258-1A BRPI0518258A BRPI0518258A2 BR PI0518258 A2 BRPI0518258 A2 BR PI0518258A2 BR PI0518258 A BRPI0518258 A BR PI0518258A BR PI0518258 A2 BRPI0518258 A2 BR PI0518258A2
Authority
BR
Brazil
Prior art keywords
media players
film
block
simulation technique
film grain
Prior art date
Application number
BRPI0518258-1A
Other languages
English (en)
Inventor
Christina Gomila
Joan Llach
Jeffrey Allen Cooper
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
Application filed by Thomson Licensing filed Critical Thomson Licensing
Priority to BR122018071050-0A priority Critical patent/BR122018071050B1/pt
Publication of BRPI0518258A2 publication Critical patent/BRPI0518258A2/pt

Links

Classifications

    • 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
    • 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
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/10—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • 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
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20204—Removing film grain; Adding simulated film grain
    • 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

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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

TÉCNICA DE SIMULAÇçO DE GRANULAÇçO DE FILME PARA USO NOS DISPOSITIVOS DE REPRODUÇçO DE MÍDIA. A simulação de um bloco de granulação de filme para a adição em um bloco de uma imagem ocorre primeiro estabelecendo pelo menos um parâmetro pelo menos em parte de acordo com um atributo do bloco de imagem. Pelo menos um pelo menos um bloco de granulação de filme é simulado de pelo menos um padrão de granulação de filme gerado de acordo com o pelo menos um parâmetro. Em particular, o padrão de granulação de filme é gerado usando uma técnica com precisão de bit.
BRPI0518258-1A 2004-11-24 2005-11-22 tÉcnica de simulaÇço de granulaÇço de filme para uso nos dispositivos de reproduÇço de mÍdia BRPI0518258A2 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122018071050-0A BR122018071050B1 (pt) 2004-11-24 2005-11-22 Técnica de simulação de granulação de filme para uso nos dispositivos de reprodução de mídia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63075604P 2004-11-24 2004-11-24
PCT/US2005/042282 WO2006057994A2 (en) 2004-11-24 2005-11-22 Film grain simulation technique for use in media playback devices

Publications (1)

Publication Number Publication Date
BRPI0518258A2 true BRPI0518258A2 (pt) 2008-11-11

Family

ID=36021743

Family Applications (2)

Application Number Title Priority Date Filing Date
BR122018071050-0A BR122018071050B1 (pt) 2004-11-24 2005-11-22 Técnica de simulação de granulação de filme para uso nos dispositivos de reprodução de mídia
BRPI0518258-1A BRPI0518258A2 (pt) 2004-11-24 2005-11-22 tÉcnica de simulaÇço de granulaÇço de filme para uso nos dispositivos de reproduÇço de mÍdia

Family Applications Before (1)

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BR122018071050-0A BR122018071050B1 (pt) 2004-11-24 2005-11-22 Técnica de simulação de granulação de filme para uso nos dispositivos de reprodução de mídia

Country Status (13)

Country Link
US (1) US8023567B2 (pt)
EP (1) EP1815691A2 (pt)
JP (2) JP4960879B2 (pt)
KR (1) KR101274644B1 (pt)
CN (2) CN101065971B (pt)
AU (2) AU2005309719B2 (pt)
BR (2) BR122018071050B1 (pt)
CA (1) CA2587445C (pt)
MX (1) MX2007006139A (pt)
MY (2) MY143341A (pt)
RU (1) RU2372660C2 (pt)
WO (1) WO2006057994A2 (pt)
ZA (2) ZA200704041B (pt)

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JP4960879B2 (ja) 2012-06-27
CA2587445C (en) 2013-06-18
JP2012100354A (ja) 2012-05-24
BR122018071050B1 (pt) 2019-04-02
JP5400185B2 (ja) 2014-01-29
EP1815691A2 (en) 2007-08-08
AU2010200926B2 (en) 2012-04-26
AU2010200926A1 (en) 2010-04-01
WO2006057994A3 (en) 2006-08-24
CN101065971A (zh) 2007-10-31
WO2006057994A2 (en) 2006-06-01
KR101274644B1 (ko) 2013-06-14
JP2008522491A (ja) 2008-06-26
MX2007006139A (es) 2007-07-19
AU2005309719A1 (en) 2006-06-01
CA2587445A1 (en) 2006-06-01
KR20070088632A (ko) 2007-08-29
AU2005309719B2 (en) 2010-07-01
US20060133686A1 (en) 2006-06-22
CN101841721B (zh) 2011-11-30
HK1107481A1 (en) 2008-04-03
RU2007123613A (ru) 2008-12-27
ZA200704041B (en) 2009-03-25
ZA200810507B (en) 2009-08-26
MY143341A (en) 2011-04-29
CN101841721A (zh) 2010-09-22
RU2372660C2 (ru) 2009-11-10
MY159019A (en) 2016-11-30
US8023567B2 (en) 2011-09-20
CN101065971B (zh) 2014-01-01

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