JP2007174667A5 - - Google Patents

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Publication number
JP2007174667A5
JP2007174667A5 JP2006343186A JP2006343186A JP2007174667A5 JP 2007174667 A5 JP2007174667 A5 JP 2007174667A5 JP 2006343186 A JP2006343186 A JP 2006343186A JP 2006343186 A JP2006343186 A JP 2006343186A JP 2007174667 A5 JP2007174667 A5 JP 2007174667A5
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JP
Japan
Prior art keywords
image frame
digital image
film grain
mask
pixel
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Application number
JP2006343186A
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English (en)
Japanese (ja)
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JP5236182B2 (ja
JP2007174667A (ja
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Priority claimed from US11/313,577 external-priority patent/US7664337B2/en
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Publication of JP2007174667A publication Critical patent/JP2007174667A/ja
Publication of JP2007174667A5 publication Critical patent/JP2007174667A5/ja
Application granted granted Critical
Publication of JP5236182B2 publication Critical patent/JP5236182B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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 true JP2007174667A5 (cg-RX-API-DMAC7.html) 2010-01-21
JP5236182B2 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 (cg-RX-API-DMAC7.html)
EP (1) EP1801751B1 (cg-RX-API-DMAC7.html)
JP (2) JP5236182B2 (cg-RX-API-DMAC7.html)
CN (1) CN101072333B (cg-RX-API-DMAC7.html)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101044510B (zh) * 2004-10-18 2012-01-04 汤姆森特许公司 胶片颗粒模拟方法
US7738722B2 (en) * 2004-10-21 2010-06-15 Thomson Licensing Technique for adaptive de-blocking of block-based film grain patterns
WO2006055199A2 (en) * 2004-11-12 2006-05-26 Thomson Licensing Film grain simulation for normal play and trick mode play for video playback systems
CN101057259B (zh) 2004-11-16 2010-11-03 汤姆森许可贸易公司 基于预计算的变换系数的胶片颗粒仿真方法
WO2006055333A2 (en) 2004-11-16 2006-05-26 Thomson Licensing Film grain sei message insertion for bit-accurate simulation in a video system
CA2587117C (en) * 2004-11-17 2014-02-11 Thomson Licensing Bit-accurate film grain simulation method based on pre-computed transformed coefficients
WO2006057937A2 (en) * 2004-11-22 2006-06-01 Thomson Licensing Methods, apparatus and system for film grain cache splitting for film grain simulation
KR101166948B1 (ko) 2004-11-23 2012-07-19 톰슨 라이센싱 낮은 복잡도의 필름 그레인 시뮬레이션 기법
EP2036036B1 (en) * 2006-06-21 2018-10-31 Thomson Licensing Automatic film grain adjustment
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
WO2011088321A1 (en) * 2010-01-15 2011-07-21 Marvell World Trade, Ltd Use of film grain to mask compression artifacts
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
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
US12375734B2 (en) * 2021-12-07 2025-07-29 Qualcomm Incorporated Adaptive film grain synthesis
US20250299397A1 (en) * 2022-04-25 2025-09-25 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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ES2697523T3 (es) * 2003-05-15 2019-01-24 Dolby Int Ab Método y aparato para representar la granularidad de imagen mediante uno o más parámetros
EP1661089B1 (en) * 2003-08-29 2007-12-12 THOMSON Licensing Method and apparatus for modeling film grain patterns in the frequency domain
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
AU2004306091B2 (en) * 2003-09-23 2010-08-12 Interdigital Vc Holdings, Inc. Technique for simulating film grain using frequency filtering
HUE046111T2 (hu) * 2003-10-14 2020-02-28 Interdigital Vc Holdings Inc Bit-pontosságú film szemcsézet szimulációs technika
EP1690423B1 (en) * 2003-12-05 2020-03-18 InterDigital VC Holdings, Inc. Technique for film grain simulation using a database of film grain patterns
KR101166948B1 (ko) * 2004-11-23 2012-07-19 톰슨 라이센싱 낮은 복잡도의 필름 그레인 시뮬레이션 기법
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

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