JP5236182B2 - フィルムグレインの生成及び付加 - Google Patents

フィルムグレインの生成及び付加 Download PDF

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Publication number
JP5236182B2
JP5236182B2 JP2006343186A JP2006343186A JP5236182B2 JP 5236182 B2 JP5236182 B2 JP 5236182B2 JP 2006343186 A JP2006343186 A JP 2006343186A JP 2006343186 A JP2006343186 A JP 2006343186A JP 5236182 B2 JP5236182 B2 JP 5236182B2
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Prior art keywords
digital image
image frame
film grain
mask
grain
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JP2006343186A
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Japanese (ja)
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JP2007174667A (ja
JP2007174667A5 (enExample
Inventor
バルラム ニキル
パサク バーラト
サヤラマン ユマ
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マーベル ワールド トレード リミテッド
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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
    • G06T5/70—Denoising; Smoothing
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Picture Signal Circuits (AREA)
JP2006343186A 2005-12-20 2006-12-20 フィルムグレインの生成及び付加 Expired - Fee Related JP5236182B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/313,577 2005-12-20
US11/313,577 US7664337B2 (en) 2005-12-20 2005-12-20 Film grain generation and addition

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2012159585A Division JP5301716B2 (ja) 2005-12-20 2012-07-18 デジタル画像フレームにフィルムグレインを与える方法、およびシステム

Publications (3)

Publication Number Publication Date
JP2007174667A JP2007174667A (ja) 2007-07-05
JP2007174667A5 JP2007174667A5 (enExample) 2010-01-21
JP5236182B2 true JP5236182B2 (ja) 2013-07-17

Family

ID=37836639

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2006343186A Expired - Fee Related JP5236182B2 (ja) 2005-12-20 2006-12-20 フィルムグレインの生成及び付加
JP2012159585A Expired - Fee Related JP5301716B2 (ja) 2005-12-20 2012-07-18 デジタル画像フレームにフィルムグレインを与える方法、およびシステム

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2012159585A Expired - Fee Related JP5301716B2 (ja) 2005-12-20 2012-07-18 デジタル画像フレームにフィルムグレインを与える方法、およびシステム

Country Status (4)

Country Link
US (2) US7664337B2 (enExample)
EP (1) EP1801751B1 (enExample)
JP (2) JP5236182B2 (enExample)
CN (1) CN101072333B (enExample)

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EP1803094B1 (en) * 2004-10-18 2020-02-19 InterDigital VC Holdings, Inc. Film grain simulation method
JP4920592B2 (ja) * 2004-10-21 2012-04-18 トムソン ライセンシング ブロック・ベースのフィルム・グレイン・パターンの適応的非ブロック化の手法
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.
KR101270755B1 (ko) 2004-11-16 2013-06-03 톰슨 라이센싱 비디오 시스템에서 비트-정확한 시뮬레이션을 위한 필름 그레인 ｓｅｉ 메시지 삽입
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
KR101169826B1 (ko) * 2004-11-17 2012-08-03 톰슨 라이센싱 사전계산된 변환 계수들에 기초한 비트-어큐리트 필름그레인 시뮬레이션 방법
JP5474300B2 (ja) * 2004-11-22 2014-04-16 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フィルムグレインキャッシュ分割のための方法、装置及びシステム
WO2006057703A1 (en) 2004-11-23 2006-06-01 Thomson Licensing Low-complexity film grain simulation technique
CN101467179B (zh) * 2006-06-21 2012-08-22 汤姆森许可贸易公司 自动的胶片颗粒调节
US7813425B2 (en) * 2006-11-29 2010-10-12 Ipera Technology, Inc. System and method for processing videos and images to a determined quality level
US10715834B2 (en) 2007-05-10 2020-07-14 Interdigital Vc Holdings, Inc. Film grain simulation based on pre-computed transform coefficients
US8334912B2 (en) 2008-09-03 2012-12-18 Olympus Imaging Corp. Image processing apparatus, imaging apparatus, image processing method, and computer readable recording medium storing image processing program
JP2010062836A (ja) * 2008-09-03 2010-03-18 Olympus Imaging Corp 画像処理装置、画像処理方法、および、画像処理プログラム
CN101778300B (zh) * 2008-12-05 2012-05-30 香港应用科技研究院有限公司 模拟胶片颗粒噪声的方法和装置
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
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
CN102263963A (zh) * 2011-08-10 2011-11-30 深圳市万兴软件有限公司 图像摄像方法、装置及移动终端
JP6082304B2 (ja) * 2012-04-17 2017-02-15 キヤノン株式会社 画像処理装置及びその処理方法
US8885953B2 (en) * 2012-09-01 2014-11-11 Apple Inc. Grain effect
US9652867B2 (en) * 2013-10-18 2017-05-16 Apple Inc. Grain generation and blending
US9438821B1 (en) * 2014-04-11 2016-09-06 Suny Behar Parker Method for applying multi-layered film grain and texture mapping to a digital video image
US10224074B2 (en) 2017-07-12 2019-03-05 Karl Storz Imaging, Inc. Apparatus and methods for improving video quality from a digital video signal including replicated image frames
US12136140B2 (en) 2019-12-19 2024-11-05 Dolby Laboratories Licensing Corporation Noise synthesis for digital images
US12375734B2 (en) * 2021-12-07 2025-07-29 Qualcomm Incorporated Adaptive film grain synthesis
WO2023211861A1 (en) * 2022-04-25 2023-11-02 Invizipro Llc Simulation of analog film characteristics
US12262063B2 (en) * 2022-09-21 2025-03-25 Qualcomm Incorporated Systems and methods of video decoding with dynamic noise reconstruction
CN116708876B (zh) * 2023-05-06 2024-05-14 神力视界(深圳)文化科技有限公司 视频流处理、展示方法、计算机可读存储介质及电子设备

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JP3169369B2 (ja) * 1989-02-06 2001-05-21 ソニー株式会社 画像信号符号化装置及び符号化方法
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
JP3353604B2 (ja) * 1995-08-09 2002-12-03 ソニー株式会社 動画像符号化方法及び装置、並びに信号記録媒体
US5641596A (en) * 1995-12-05 1997-06-24 Eastman Kodak Company Adjusting film grain properties in digital images
US6055340A (en) * 1997-02-28 2000-04-25 Fuji Photo Film Co., Ltd. Method and apparatus for processing digital images to suppress their noise and enhancing their sharpness
JPH11250246A (ja) * 1998-02-27 1999-09-17 Fuji Photo Film Co Ltd 画像処理方法および装置
CA2309002A1 (en) * 2000-05-23 2001-11-23 Jonathan Martin Shekter Digital film grain reduction
US6868190B1 (en) * 2000-10-19 2005-03-15 Eastman Kodak Company Methods for automatically and semi-automatically transforming digital image data to provide a desired image look
ES2907226T3 (es) * 2003-05-15 2022-04-22 Dolby Int Ab Método y aparato para representar la granularidad de una imagen mediante uno o más parámetros
RU2332715C2 (ru) * 2003-08-29 2008-08-27 Томсон Лайсенсинг Способ и устройство для моделирования зернистых структур пленки в частотной области
EP1511320A1 (en) * 2003-09-01 2005-03-02 Matsushita Electric Industrial Co., Ltd. Film grain encoding
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
EP1676447A1 (en) * 2003-09-23 2006-07-05 THOMSON Licensing Technique for simulating film grain using frequency filtering
PT1673944T (pt) * 2003-10-14 2019-10-24 Interdigital Vc Holdings Inc Técnica para a simulação de granulação de película com bits de precisão.
US20070117291A1 (en) * 2003-12-05 2007-05-24 Thomson Licensing Technique for film grain simulation using a database of film grain patterns
WO2006057703A1 (en) * 2004-11-23 2006-06-01 Thomson Licensing Low-complexity film grain simulation technique
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

Also Published As

Publication number Publication date
US7889940B2 (en) 2011-02-15
EP1801751A2 (en) 2007-06-27
JP5301716B2 (ja) 2013-09-25
JP2007174667A (ja) 2007-07-05
EP1801751B1 (en) 2014-06-25
JP2012209974A (ja) 2012-10-25
US7664337B2 (en) 2010-02-16
CN101072333B (zh) 2010-11-03
US20070140588A1 (en) 2007-06-21
HK1114987A1 (en) 2008-11-14
US20100166335A1 (en) 2010-07-01
CN101072333A (zh) 2007-11-14
EP1801751A3 (en) 2011-04-27

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