ES2297531T3 - Metodo y aparato para moldear modelos de grano de pelicula en el dominio de la frecuencia. - Google Patents

Metodo y aparato para moldear modelos de grano de pelicula en el dominio de la frecuencia. Download PDF

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Publication number
ES2297531T3
ES2297531T3 ES04816165T ES04816165T ES2297531T3 ES 2297531 T3 ES2297531 T3 ES 2297531T3 ES 04816165 T ES04816165 T ES 04816165T ES 04816165 T ES04816165 T ES 04816165T ES 2297531 T3 ES2297531 T3 ES 2297531T3
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ES
Spain
Prior art keywords
horizontal
coefficients
vertical
transformed
film grain
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
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ES04816165T
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English (en)
Spanish (es)
Inventor
Cristina Gomila
Joan Llach
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Thomson Licensing SAS
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Thomson Licensing SAS
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Publication of ES2297531T3 publication Critical patent/ES2297531T3/es
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Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Physical Vapour Deposition (AREA)
  • Junction Field-Effect Transistors (AREA)
ES04816165T 2003-08-29 2004-04-07 Metodo y aparato para moldear modelos de grano de pelicula en el dominio de la frecuencia. Expired - Lifetime ES2297531T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49894503P 2003-08-29 2003-08-29
US498945P 2003-08-29

Publications (1)

Publication Number Publication Date
ES2297531T3 true ES2297531T3 (es) 2008-05-01

Family

ID=34312174

Family Applications (1)

Application Number Title Priority Date Filing Date
ES04816165T Expired - Lifetime ES2297531T3 (es) 2003-08-29 2004-04-07 Metodo y aparato para moldear modelos de grano de pelicula en el dominio de la frecuencia.

Country Status (17)

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

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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
KR101096916B1 (ko) 2004-10-18 2011-12-22 톰슨 라이센싱 필름 그레인 시뮬레이션 방법
JP4764883B2 (ja) 2004-10-18 2011-09-07 トムソン ライセンシング フィルムグレイン・シミュレーションの方法、装置及びシステム
JP4543873B2 (ja) * 2004-10-18 2010-09-15 ソニー株式会社 画像処理装置および処理方法
JP4960877B2 (ja) 2004-11-12 2012-06-27 トムソン ライセンシング 映像再生システムの通常再生及びトリックモード再生に関するフィルムグレインシミュレーション
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
ES2739452T3 (es) * 2004-11-17 2020-01-31 Interdigital Vc Holdings Inc Método de simulación de grano de película con precisión de bits basado en coeficientes transformados calculados previamente
KR101208158B1 (ko) 2004-11-22 2012-12-05 톰슨 라이센싱 필름 그레인 시뮬레이션을 위한 필름 그레인 캐시 분할방법, 장치 및 시스템
EP1815688B1 (en) 2004-11-23 2009-07-01 Thomson Licensing Low-complexity film grain simulation technique
WO2006057994A2 (en) 2004-11-24 2006-06-01 Thomson Licensing Film grain simulation technique for use in media playback devices
US7596239B2 (en) * 2005-08-02 2009-09-29 Lsi Corporation Method and/or apparatus for video watermarking and steganography using simulated film grain
CN101317443A (zh) * 2005-11-29 2008-12-03 松下电器产业株式会社 再现装置
US7664337B2 (en) * 2005-12-20 2010-02-16 Marvell International Ltd. Film grain generation and addition
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US8213500B2 (en) 2006-12-21 2012-07-03 Sharp Laboratories Of America, Inc. Methods and systems for processing film grain noise
JP2008219163A (ja) * 2007-02-28 2008-09-18 Toshiba Corp 情報符号化方法、情報再生方法、及び情報記憶媒体
US7873210B2 (en) * 2007-03-14 2011-01-18 Autodesk, Inc. Automatic film grain reproduction
US10715834B2 (en) 2007-05-10 2020-07-14 Interdigital Vc Holdings, Inc. Film grain simulation based on pre-computed transform coefficients
US20100110287A1 (en) * 2008-10-31 2010-05-06 Hong Kong Applied Science And Technology Research Institute Co. Ltd. Method and apparatus for modeling film grain noise
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
US20140327737A1 (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
CN114945944B (zh) 2019-12-19 2025-08-19 杜比实验室特许公司 用于数字图像的噪声合成
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Also Published As

Publication number Publication date
MXPA06002339A (es) 2006-05-19
RU2332715C2 (ru) 2008-08-27
EP1661089A1 (en) 2006-05-31
RU2006110037A (ru) 2007-10-20
PL1661089T3 (pl) 2008-05-30
JP2007504709A (ja) 2007-03-01
BRPI0413904B1 (pt) 2017-06-06
ATE381076T1 (de) 2007-12-15
HK1094071A1 (zh) 2007-03-16
JP2012227951A (ja) 2012-11-15
KR101001086B1 (ko) 2010-12-14
JP4711962B2 (ja) 2011-06-29
EP1661089B1 (en) 2007-12-12
DE602004010683D1 (de) 2008-01-24
KR20060121832A (ko) 2006-11-29
US7738721B2 (en) 2010-06-15
MY136026A (en) 2008-07-31
BRPI0413904A (pt) 2006-10-24
DE602004010683T2 (de) 2009-01-02
ZA200601707B (en) 2008-09-25
CA2537000C (en) 2011-11-15
JP2011004437A (ja) 2011-01-06
CN1842822A (zh) 2006-10-04
CN100389437C (zh) 2008-05-21
AU2004273405B2 (en) 2009-12-17
JP5394546B2 (ja) 2014-01-22
CA2537000A1 (en) 2005-03-24
AU2004273405A1 (en) 2005-03-24
US20060292837A1 (en) 2006-12-28
WO2005027045A1 (en) 2005-03-24

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