DE602004010683T2 - Verfahren und vorrichtung zur modellierung von filmkorn-mustern im frequenzbereich - Google Patents

Verfahren und vorrichtung zur modellierung von filmkorn-mustern im frequenzbereich Download PDF

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Publication number
DE602004010683T2
DE602004010683T2 DE602004010683T DE602004010683T DE602004010683T2 DE 602004010683 T2 DE602004010683 T2 DE 602004010683T2 DE 602004010683 T DE602004010683 T DE 602004010683T DE 602004010683 T DE602004010683 T DE 602004010683T DE 602004010683 T2 DE602004010683 T2 DE 602004010683T2
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Prior art keywords
horizontal
coefficients
vertical
film grain
averaging
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Expired - Lifetime
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DE602004010683T
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German (de)
English (en)
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DE602004010683D1 (de
Inventor
Cristina Princeton GOMILA
Joan Princeton LLACH
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Thomson Licensing SAS
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Thomson Licensing SAS
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    • 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
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • 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
    • H04N19/85—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
    • 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

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  • 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)
  • Physical Vapour Deposition (AREA)
  • Junction Field-Effect Transistors (AREA)
DE602004010683T 2003-08-29 2004-04-07 Verfahren und vorrichtung zur modellierung von filmkorn-mustern im frequenzbereich Expired - Lifetime DE602004010683T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US49894503P 2003-08-29 2003-08-29
US498945P 2003-08-29
PCT/US2004/010789 WO2005027045A1 (en) 2003-08-29 2004-04-07 Method and apparatus for modeling film grain patterns in the frequency domain

Publications (2)

Publication Number Publication Date
DE602004010683D1 DE602004010683D1 (de) 2008-01-24
DE602004010683T2 true DE602004010683T2 (de) 2009-01-02

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DE602004010683T Expired - Lifetime DE602004010683T2 (de) 2003-08-29 2004-04-07 Verfahren und vorrichtung zur modellierung von filmkorn-mustern im frequenzbereich

Country Status (17)

Country Link
US (1) US7738721B2 (cg-RX-API-DMAC10.html)
EP (1) EP1661089B1 (cg-RX-API-DMAC10.html)
JP (3) JP4711962B2 (cg-RX-API-DMAC10.html)
KR (1) KR101001086B1 (cg-RX-API-DMAC10.html)
CN (1) CN100389437C (cg-RX-API-DMAC10.html)
AT (1) ATE381076T1 (cg-RX-API-DMAC10.html)
AU (1) AU2004273405B2 (cg-RX-API-DMAC10.html)
BR (1) BRPI0413904B1 (cg-RX-API-DMAC10.html)
CA (1) CA2537000C (cg-RX-API-DMAC10.html)
DE (1) DE602004010683T2 (cg-RX-API-DMAC10.html)
ES (1) ES2297531T3 (cg-RX-API-DMAC10.html)
MX (1) MXPA06002339A (cg-RX-API-DMAC10.html)
MY (1) MY136026A (cg-RX-API-DMAC10.html)
PL (1) PL1661089T3 (cg-RX-API-DMAC10.html)
RU (1) RU2332715C2 (cg-RX-API-DMAC10.html)
WO (1) WO2005027045A1 (cg-RX-API-DMAC10.html)
ZA (1) ZA200601707B (cg-RX-API-DMAC10.html)

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CN100574433C (zh) * 2003-09-23 2009-12-23 汤姆森特许公司 用于减少视频流中的伪像的方法和装置
BRPI0414647A (pt) * 2003-09-23 2006-11-14 Thomson Licensing técnica para simular grão de filme usando filtração de freqüência
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US8150206B2 (en) 2004-03-30 2012-04-03 Thomson Licensing Method and apparatus for representing image granularity by one or more parameters
CN101044510B (zh) 2004-10-18 2012-01-04 汤姆森特许公司 胶片颗粒模拟方法
KR101218242B1 (ko) * 2004-10-18 2013-01-04 톰슨 라이센싱 필름 그레인 시뮬레이션을 위한 방법, 장치 및 시스템
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MX2007005653A (es) 2004-11-12 2007-06-05 Thomson Licensing Simulacion de grano para reproduccion normal y reproduccion de modo de truco para sistemas de reproduccion de video.
ES2381982T3 (es) * 2004-11-16 2012-06-04 Thomson Licensing Método de simulación del grano de película basado en coeficientes de transformación previamente generados por ordenador
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FR2943201B1 (fr) * 2009-03-12 2011-03-11 Ateme Sa Parametrage du grain d'image
JP6101009B2 (ja) * 2012-06-15 2017-03-22 日本放送協会 階調削減符号化装置、階調復元復号装置及びそれらのプログラム
KR101979634B1 (ko) 2012-12-13 2019-05-20 삼성전자주식회사 화질 개선을 위한 영상 처리 장치 및 그 방법
US20140328406A1 (en) 2013-05-01 2014-11-06 Raymond John Westwater Method and Apparatus to Perform Optimal Visually-Weighed Quantization of Time-Varying Visual Sequences in Transform Space
WO2021127628A1 (en) * 2019-12-19 2021-06-24 Dolby Laboratories Licensing Corporation Noise synthesis for digital images
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Also Published As

Publication number Publication date
JP5394546B2 (ja) 2014-01-22
KR20060121832A (ko) 2006-11-29
PL1661089T3 (pl) 2008-05-30
KR101001086B1 (ko) 2010-12-14
RU2006110037A (ru) 2007-10-20
ES2297531T3 (es) 2008-05-01
JP2007504709A (ja) 2007-03-01
CN100389437C (zh) 2008-05-21
EP1661089A1 (en) 2006-05-31
RU2332715C2 (ru) 2008-08-27
DE602004010683D1 (de) 2008-01-24
ATE381076T1 (de) 2007-12-15
MY136026A (en) 2008-07-31
CN1842822A (zh) 2006-10-04
MXPA06002339A (es) 2006-05-19
BRPI0413904B1 (pt) 2017-06-06
AU2004273405B2 (en) 2009-12-17
CA2537000A1 (en) 2005-03-24
JP4711962B2 (ja) 2011-06-29
HK1094071A1 (zh) 2007-03-16
CA2537000C (en) 2011-11-15
US20060292837A1 (en) 2006-12-28
JP2012227951A (ja) 2012-11-15
WO2005027045A1 (en) 2005-03-24
JP2011004437A (ja) 2011-01-06
ZA200601707B (en) 2008-09-25
US7738721B2 (en) 2010-06-15
EP1661089B1 (en) 2007-12-12
BRPI0413904A (pt) 2006-10-24
AU2004273405A1 (en) 2005-03-24

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