KR100993990B1 - 사전계산된 샘플들의 모자이크에 의한 필름 그레인시뮬레이션 방법 - Google Patents
사전계산된 샘플들의 모자이크에 의한 필름 그레인시뮬레이션 방법 Download PDFInfo
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Abstract
Description
Claims (14)
- 입력 이미지 블록에서 필름 그레인(film grain)을 시뮬레이션하는 방법으로서,(a) 상기 입력 이미지 블록에 대한 적어도 하나의 이미지 파라미터의 평균값을 계산하는 단계와,(b) 적어도 하나의 이전에 확립된 필름 그레인 블록들의 풀(pool)로부터, 이미지 파라미터가 상기 입력 이미지 블록의 이미지 파라미터와 가장 근접하게 정합하는 필름 그레인 블록을 선택하는 단계와,(c) 상기 선택된 필름 그레인 블록을 상기 입력 이미지 블록과 블렌딩(blending)하는 단계를 포함하는, 입력 이미지 블록에서 필름 그레인을 시뮬레이션하는 방법.
- 제1항에 있어서,상기 입력 이미지 블록과 블렌딩하는 단계 전에, 상기 선택된 필름 그레인 블록을 디블록킹(de-blocking)하는 단계를 더 포함하는, 입력 이미지 블록에서 필름 그레인을 시뮬레이션하는 방법.
- 제1항에 있어서,상기 이전에 확립된 필름 그레인 블록들은 이미지 강도에 근거하여 상기 적어도 하나의 풀 내에 구성되는, 입력 이미지 블록에서 필름 그레인을 시뮬레이션하는 방법.
- 제1항에 있어서,입력 이미지의 특성에 따라 상기 적어도 하나의 풀을 갱신하는 단계를 더 포함하는, 입력 이미지 블록에서 필름 그레인을 시뮬레이션하는 방법.
- 제3항에 있어서,적어도 하나의 상이한 컬러 성분에 대하여 상이한 필름 그레인 블록이 선택되는, 입력 이미지 블록에서 필름 그레인을 시뮬레이션하는 방법.
- 제1항에 있어서,상기 블렌딩 단계 전에, 상기 선택된 필름 그레인 블록을 변환하는 단계를 더 포함하는, 입력 이미지 블록에서 필름 그레인을 시뮬레이션하는 방법.
- 제1항에 있어서,다수의 필름 그레인 블록들의 풀들 중에서 하나의 필름 그레인 블록을 선택하는 단계를 더 포함하는, 입력 이미지 블록에서 필름 그레인을 시뮬레이션하는 방법.
- 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법- 상기 입력 이미지는 필름 그레인이 적어도 감소되고, 입력 이미지 블록들로 분해됨 -으로서,(a) 한 세트의 입력 이미지 블록들 중에서 연속하는 블록을 선택하는 단계와,(b) 상기 연속하는 블록에 대한 적어도 하나의 이미지 파라미터의 평균값을 계산하는 단계와,(c) 적어도 하나의 이전에 확립된 필름 그레인 블록들의 풀 중에서, 상기 연속하는 블록의 상기 적어도 하나의 이미지 파라미터의 평균값에 가장 근접하게 정합하는 이미지 파라미터를 가지는 필름 그레인 블록을 선택하는 단계와,(d) 상기 입력 이미지 내의 모든 픽셀 블록들에 대하여 상기 (a) 내지 (c) 단계를 반복하는 단계와,(e) 상기 선택된 필름 그레인 블록들을 블렌딩하여 필름 그레인을 가지는 출력 이미지를 생성하는 단계를 포함하는, 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법.
- 제8항에 있어서,상기 이전에 확립된 필름 그레인 블록들은 이미지 강도에 근거하여 상기 적어도 하나의 풀 내에 구성되는, 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법.
- 제8항에 있어서,상기 입력 이미지의 특성에 따라 상기 적어도 하나의 이전에 확립된 필름 그레인 블록들의 풀을 갱신하는 단계를 더 포함하는, 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법.
- 제8항에 있어서,적어도 하나의 상이한 컬러 성분에 대하여 상이한 필름 그레인 블록이 선택되는, 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법.
- 제8항에 있어서,상기 (c) 내지 (d) 단계를 반복하기 전에, 상기 선택된 필름 그레인 블록을 변환하는 단계를 더 포함하는, 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법.
- 제8항에 있어서,다수의 필름 그레인 블록들의 풀 중에서 하나의 필름 그레인 블록을 선택하는 단계를 더 포함하는, 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법.
- 제8항에 있어서,상기 (c) 내지 (d) 단계를 반복하기 전에, 연속하는 필름 그레인 블록을 디블록킹하는 단계를 더 포함하는, 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법.
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US50514603P | 2003-09-23 | 2003-09-23 | |
US60/505,146 | 2003-09-23 |
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KR20060135612A KR20060135612A (ko) | 2006-12-29 |
KR100993990B1 true KR100993990B1 (ko) | 2010-11-11 |
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US (1) | US7945106B2 (ko) |
EP (1) | EP1676445B1 (ko) |
JP (1) | JP5100121B2 (ko) |
KR (1) | KR100993990B1 (ko) |
CN (1) | CN1857006B (ko) |
AU (1) | AU2004306386B2 (ko) |
BR (1) | BRPI0414641B1 (ko) |
CA (1) | CA2538785C (ko) |
HK (1) | HK1093643A1 (ko) |
RU (1) | RU2340943C2 (ko) |
WO (1) | WO2005034518A1 (ko) |
ZA (1) | ZA200602350B (ko) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005100100A (ja) * | 2003-09-25 | 2005-04-14 | Toyota Motor Corp | 車輪情報処理装置および車輪情報処理方法 |
BRPI0415307A (pt) * | 2003-10-14 | 2006-12-05 | Thomson Licensing | técnica para simulação de grão de filme com precisão de bit |
US8150206B2 (en) * | 2004-03-30 | 2012-04-03 | Thomson Licensing | Method and apparatus for representing image granularity by one or more parameters |
US20060082649A1 (en) | 2004-10-18 | 2006-04-20 | Cristina Gomila | Film grain simulation method |
WO2006047138A2 (en) * | 2004-10-21 | 2006-05-04 | Thomson Licensing | Technique for adaptive de-blocking of block-based film grain patterns |
CA2803789C (en) | 2004-11-12 | 2014-04-15 | Thomson Licensing | Film grain simulation for normal play and trick mode play for video playback systems |
US9117261B2 (en) | 2004-11-16 | 2015-08-25 | Thomson Licensing | Film grain SEI message insertion for bit-accurate simulation in a video system |
JP4825808B2 (ja) | 2004-11-16 | 2011-11-30 | トムソン ライセンシング | 事前に計算された変換係数に基づいたフィルムグレインシミュレーション方法 |
RU2372659C2 (ru) * | 2004-11-17 | 2009-11-10 | Томсон Лайсенсинг | Способ имитации зернистости пленки с точностью до бита на основе предварительно вычисленных преобразованных коэффициентов |
WO2006057937A2 (en) * | 2004-11-22 | 2006-06-01 | Thomson Licensing | Methods, apparatus and system for film grain cache splitting for film grain simulation |
ATE435568T1 (de) * | 2004-11-23 | 2009-07-15 | Thomson Licensing | Filmkörnigkeitssimulationstechnik mit geringer komplexität |
MX2007006139A (es) * | 2004-11-24 | 2007-07-19 | Thomson Licensing | Tecnica de simulacion de grano de pelicula para uso en dispositivos de reproduccion de medios. |
US8213500B2 (en) | 2006-12-21 | 2012-07-03 | Sharp Laboratories Of America, Inc. | Methods and systems for processing film grain noise |
US7742652B2 (en) | 2006-12-21 | 2010-06-22 | Sharp Laboratories Of America, Inc. | Methods and systems for image noise processing |
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 |
US10715834B2 (en) | 2007-05-10 | 2020-07-14 | Interdigital Vc Holdings, Inc. | Film grain simulation based on pre-computed transform coefficients |
JP5751679B2 (ja) * | 2010-01-15 | 2015-07-22 | マーベル ワールド トレード リミテッド | 圧縮アーチファクトをマスクするためのフィルムグレインの利用 |
BR112012027770A2 (pt) * | 2010-05-11 | 2017-08-08 | Thomson Licensing | processamento de granulação de filme e ruído de conforto para vídeo 3 dimensional |
CN105376548B (zh) * | 2010-05-11 | 2017-07-07 | 汤姆森许可贸易公司 | 用于3维视频的舒适噪声和胶片颗粒处理 |
JP5693089B2 (ja) * | 2010-08-20 | 2015-04-01 | キヤノン株式会社 | 画像処理装置、及び画像処理装置の制御方法 |
US9614724B2 (en) | 2014-04-21 | 2017-04-04 | Microsoft Technology Licensing, Llc | Session-based device configuration |
US9639742B2 (en) | 2014-04-28 | 2017-05-02 | Microsoft Technology Licensing, Llc | Creation of representative content based on facial analysis |
US9773156B2 (en) | 2014-04-29 | 2017-09-26 | Microsoft Technology Licensing, Llc | Grouping and ranking images based on facial recognition data |
US9384334B2 (en) | 2014-05-12 | 2016-07-05 | Microsoft Technology Licensing, Llc | Content discovery in managed wireless distribution networks |
US10111099B2 (en) | 2014-05-12 | 2018-10-23 | Microsoft Technology Licensing, Llc | Distributing content in managed wireless distribution networks |
US9430667B2 (en) | 2014-05-12 | 2016-08-30 | Microsoft Technology Licensing, Llc | Managed wireless distribution network |
US9384335B2 (en) | 2014-05-12 | 2016-07-05 | Microsoft Technology Licensing, Llc | Content delivery prioritization in managed wireless distribution networks |
US9874914B2 (en) | 2014-05-19 | 2018-01-23 | Microsoft Technology Licensing, Llc | Power management contracts for accessory devices |
US10037202B2 (en) | 2014-06-03 | 2018-07-31 | Microsoft Technology Licensing, Llc | Techniques to isolating a portion of an online computing service |
US9367490B2 (en) | 2014-06-13 | 2016-06-14 | Microsoft Technology Licensing, Llc | Reversible connector for accessory devices |
US9460493B2 (en) | 2014-06-14 | 2016-10-04 | Microsoft Technology Licensing, Llc | Automatic video quality enhancement with temporal smoothing and user override |
US9373179B2 (en) * | 2014-06-23 | 2016-06-21 | Microsoft Technology Licensing, Llc | Saliency-preserving distinctive low-footprint photograph aging effect |
JP7451710B2 (ja) * | 2019-12-19 | 2024-03-18 | ドルビー ラボラトリーズ ライセンシング コーポレイション | デジタル画像のためのノイズ合成 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005039189A1 (en) * | 2003-10-14 | 2005-04-28 | Thomson Licensing | Technique for bit-accurate film grain simulation |
WO2005057936A1 (en) * | 2003-12-05 | 2005-06-23 | Thomson Licensing | Technique for film grain simulation using a database of film grain patterns |
KR20050120708A (ko) * | 2003-04-10 | 2005-12-22 | 톰슨 라이센싱 | 인코딩된 비디오 상에서 필름 그레인을 시뮬레이팅하기위한 방법 |
Family Cites Families (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01156069A (ja) * | 1987-12-14 | 1989-06-19 | Canon Inc | 画像処理装置 |
US4935816A (en) | 1989-06-23 | 1990-06-19 | Robert A. Faber | Method and apparatus for video image film simulation |
JPH0497681A (ja) | 1990-08-16 | 1992-03-30 | Nippon Telegr & Teleph Corp <Ntt> | 映像符号化復号化装置 |
US5140414A (en) | 1990-10-11 | 1992-08-18 | Mowry Craig P | Video system for producing video images simulating images derived from motion picture film |
US5374954A (en) | 1990-10-11 | 1994-12-20 | Harry E. Mowry | Video system for producing video image simulating the appearance of motion picture or other photographic film |
US5687011A (en) | 1990-10-11 | 1997-11-11 | Mowry; Craig P. | System for originating film and video images simultaneously, for use in modification of video originated images toward simulating images originated on film |
US5457491A (en) | 1990-10-11 | 1995-10-10 | Mowry; Craig P. | System for producing image on first medium, such as video, simulating the appearance of image on second medium, such as motion picture or other photographic film |
JP3062703B2 (ja) * | 1991-05-27 | 2000-07-12 | コニカ株式会社 | 画像ノイズシミュレーション方法 |
US5335013A (en) | 1992-01-16 | 1994-08-02 | Faber Robert A | Method and apparatus for video camera image film simulation |
US5283164A (en) | 1992-06-19 | 1994-02-01 | Eastman Kodak Company | Color film with closely matched acutance between different color records |
US5471572A (en) | 1993-07-09 | 1995-11-28 | Silicon Graphics, Inc. | System and method for adding detail to texture imagery in computer generated interactive graphics |
US5475425B1 (en) | 1994-01-25 | 2000-07-25 | Przyborski Production | Apparatus and method for creating video ouputs that emulate the look of motion picture film |
US5831673A (en) | 1994-01-25 | 1998-11-03 | Przyborski; Glenn B. | Method and apparatus for storing and displaying images provided by a video signal that emulates the look of motion picture film |
JP3980659B2 (ja) | 1994-08-31 | 2007-09-26 | ソニー株式会社 | 動画像符号化方法及び装置、動画像復号化方法及び装置。 |
WO1996013006A1 (en) | 1994-10-20 | 1996-05-02 | Mark Alan Zimmer | Digital mark-making method |
CZ171697A3 (en) | 1994-12-06 | 1997-10-15 | Cfb Gmbh | Method of transferring a picture and apparatus for making the same |
JPH08163594A (ja) * | 1994-12-12 | 1996-06-21 | Sony Corp | 動画像復号化方法及び動画像復号化装置 |
US5629769A (en) | 1995-06-01 | 1997-05-13 | Eastman Kodak Company | Apparatus and method for the measurement of grain in images |
JPH0962718A (ja) * | 1995-08-23 | 1997-03-07 | Sony Corp | シミュレーション装置およびシミュレーション方法 |
US5641596A (en) * | 1995-12-05 | 1997-06-24 | Eastman Kodak Company | Adjusting film grain properties in digital images |
EP0829163B1 (en) * | 1996-03-28 | 2002-08-07 | Koninklijke Philips Electronics N.V. | Method and arrangement for encoding and decoding images |
GB2312124B (en) | 1996-04-12 | 1998-05-13 | Discreet Logic Inc | Processing image data |
US5669382A (en) * | 1996-11-19 | 1997-09-23 | General Electric Company | System for measuring myocardium in cardiac images |
US6317216B1 (en) | 1999-12-13 | 2001-11-13 | Brown University Research Foundation | Optical method for the determination of grain orientation in films |
CA2406459C (en) | 2000-04-07 | 2006-06-06 | Demografx | Enhanced temporal and resolution layering in advanced television |
CA2309002A1 (en) | 2000-05-23 | 2001-11-23 | Jonathan Martin Shekter | Digital film grain reduction |
JP2001357095A (ja) * | 2000-06-12 | 2001-12-26 | Fujitsu Ltd | 半導体装置設計支援装置 |
JP2001357090A (ja) | 2000-06-13 | 2001-12-26 | Hitachi Ltd | 論理合成方法及び論理合成装置 |
US6940993B2 (en) | 2000-12-13 | 2005-09-06 | Eastman Kodak Company | System and method for embedding a watermark signal that contains message data in a digital image |
US6987586B2 (en) * | 2001-03-02 | 2006-01-17 | Eastman Kodak Company | Method of digital processing for digital cinema projection of tone scale and color |
CN1283093C (zh) | 2001-08-24 | 2006-11-01 | 皇家飞利浦电子股份有限公司 | 对视频帧的场进行相加 |
US20030206662A1 (en) * | 2002-05-03 | 2003-11-06 | Avinash Gopal B. | Method and apparatus for improving perceived digital image quality |
US7065255B2 (en) | 2002-05-06 | 2006-06-20 | Eastman Kodak Company | Method and apparatus for enhancing digital images utilizing non-image data |
US7147749B2 (en) | 2002-09-30 | 2006-12-12 | Tokyo Electron Limited | Method and apparatus for an improved upper electrode plate with deposition shield in a plasma processing system |
RU2377652C2 (ru) | 2003-05-15 | 2009-12-27 | Томсон Лайсенсинг | Способ и устройство для представления зернистости изображения одним или несколькими параметрами |
JP2005080301A (ja) * | 2003-09-01 | 2005-03-24 | Matsushita Electric Ind Co Ltd | 動画像符号化方法および動画像復号化方法 |
KR101094323B1 (ko) * | 2003-09-17 | 2011-12-19 | 톰슨 라이센싱 | 적응 기준 화상 생성 |
JP4931587B2 (ja) * | 2003-09-23 | 2012-05-16 | トムソン ライセンシング | 周波数フィルタリングを用いてフィルムグレインをシミュレートする手法 |
US20070047658A1 (en) * | 2003-09-23 | 2007-03-01 | Alexandros Tourapis | Video comfort noise addition technique |
US7680356B2 (en) * | 2003-10-14 | 2010-03-16 | Thomson Licensing | Technique for bit-accurate comfort noise addition |
US8150206B2 (en) * | 2004-03-30 | 2012-04-03 | Thomson Licensing | Method and apparatus for representing image granularity by one or more parameters |
US7593465B2 (en) * | 2004-09-27 | 2009-09-22 | Lsi Corporation | Method for video coding artifacts concealment |
US20060082649A1 (en) * | 2004-10-18 | 2006-04-20 | Cristina Gomila | Film grain simulation method |
US8014558B2 (en) * | 2004-10-18 | 2011-09-06 | Thomson Licensing | Methods, apparatus and system for film grain simulation |
US7400784B2 (en) * | 2004-10-19 | 2008-07-15 | Institut National De L'audiovisuel-Ina | Search of similar features representing objects in a large reference database |
JP4825808B2 (ja) | 2004-11-16 | 2011-11-30 | トムソン ライセンシング | 事前に計算された変換係数に基づいたフィルムグレインシミュレーション方法 |
ATE435568T1 (de) * | 2004-11-23 | 2009-07-15 | Thomson Licensing | Filmkörnigkeitssimulationstechnik mit geringer komplexität |
MX2007006139A (es) * | 2004-11-24 | 2007-07-19 | Thomson Licensing | Tecnica de simulacion de grano de pelicula para uso en dispositivos de reproduccion de medios. |
US7432986B2 (en) * | 2005-02-16 | 2008-10-07 | Lsi Corporation | Method and apparatus for masking of video artifacts and/or insertion of film grain in a video decoder |
JP4097681B1 (ja) | 2007-02-01 | 2008-06-11 | 日本航空電子工業株式会社 | コネクタ |
GB2459875A (en) * | 2008-05-08 | 2009-11-11 | Jones Richard W | A method and apparatus for diverting flowing water from a cylindrical conduit |
-
2004
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050120708A (ko) * | 2003-04-10 | 2005-12-22 | 톰슨 라이센싱 | 인코딩된 비디오 상에서 필름 그레인을 시뮬레이팅하기위한 방법 |
WO2005039189A1 (en) * | 2003-10-14 | 2005-04-28 | Thomson Licensing | Technique for bit-accurate film grain simulation |
WO2005057936A1 (en) * | 2003-12-05 | 2005-06-23 | Thomson Licensing | Technique for film grain simulation using a database of film grain patterns |
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CA2538785C (en) | 2013-10-29 |
US7945106B2 (en) | 2011-05-17 |
KR20060135612A (ko) | 2006-12-29 |
RU2340943C2 (ru) | 2008-12-10 |
US20070058878A1 (en) | 2007-03-15 |
EP1676445A1 (en) | 2006-07-05 |
HK1093643A1 (en) | 2007-03-02 |
CA2538785A1 (en) | 2005-04-14 |
JP2007521573A (ja) | 2007-08-02 |
CN1857006B (zh) | 2011-06-08 |
CN1857006A (zh) | 2006-11-01 |
RU2006113606A (ru) | 2007-11-20 |
BRPI0414641A (pt) | 2006-11-21 |
BRPI0414641B1 (pt) | 2019-01-08 |
WO2005034518A1 (en) | 2005-04-14 |
ZA200602350B (en) | 2007-09-26 |
AU2004306386B2 (en) | 2009-10-29 |
JP5100121B2 (ja) | 2012-12-19 |
AU2004306386A1 (en) | 2005-04-14 |
EP1676445B1 (en) | 2019-09-04 |
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