CN101072333B - 胶片颗粒的产生和添加 - Google Patents

胶片颗粒的产生和添加 Download PDF

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Publication number
CN101072333B
CN101072333B CN2006100644502A CN200610064450A CN101072333B CN 101072333 B CN101072333 B CN 101072333B CN 2006100644502 A CN2006100644502 A CN 2006100644502A CN 200610064450 A CN200610064450 A CN 200610064450A CN 101072333 B CN101072333 B CN 101072333B
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China
Prior art keywords
film grain
digital image
image frames
subclauses
mask
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CN2006100644502A
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English (en)
Chinese (zh)
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CN101072333A (zh
Inventor
尼克希尔·巴拉姆
巴拉特·帕萨克
尤玛·加亚拉曼
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National LLC
Xinatiekesi Ltd By Share Ltd
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Mawier International Trade Co Ltd
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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)
CN2006100644502A 2005-12-20 2006-12-20 胶片颗粒的产生和添加 Expired - Fee Related CN101072333B (zh)

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

Publications (2)

Publication Number Publication Date
CN101072333A CN101072333A (zh) 2007-11-14
CN101072333B true CN101072333B (zh) 2010-11-03

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CN2006100644502A Expired - Fee Related CN101072333B (zh) 2005-12-20 2006-12-20 胶片颗粒的产生和添加

Country Status (4)

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

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KR101096916B1 (ko) * 2004-10-18 2011-12-22 톰슨 라이센싱 필름 그레인 시뮬레이션 방법
EP1803303B1 (en) * 2004-10-21 2019-12-04 InterDigital VC Holdings, Inc. Technique for adaptive de-blocking of block-based film grain patterns
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
BRPI0517828A (pt) 2004-11-16 2008-10-21 Thomson Licensing inserção de mensagens sei de grão de filme para uma simulação exata em bits em um sistema de vìdeo
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
JP4881999B2 (ja) * 2006-06-21 2012-02-22 トムソン ライセンシング 自動フィルムグレイン調整
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
CN102291537B (zh) * 2008-09-03 2015-05-27 奥林巴斯映像株式会社 图像处理装置、摄像装置以及图像处理方法
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
US20110176058A1 (en) * 2010-01-15 2011-07-21 Mainak Biswas 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
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
US12375734B2 (en) * 2021-12-07 2025-07-29 Qualcomm Incorporated Adaptive film grain synthesis
EP4515485A1 (en) * 2022-04-25 2025-03-05 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

Citations (1)

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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

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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
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
DK3457359T3 (da) * 2003-05-15 2020-03-23 Dolby Int Ab Fremgangsmåde og apparat til representation af billedgranularitet ved en eller flere parametre
US7738721B2 (en) * 2003-08-29 2010-06-15 Thomson Licensing Method and apparatus for modeling film grain patterns in the frequency domain
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
EP1511320A1 (en) * 2003-09-01 2005-03-02 Matsushita Electric Industrial Co., Ltd. Film grain encoding
ZA200602349B (en) * 2003-09-23 2007-10-31 Thomson Licensing Technique for simulating film grain using frequency filtering
EP1673944B1 (en) * 2003-10-14 2019-09-04 InterDigital VC Holdings, Inc. Technique for bit-accurate film grain simulation
EP1690423B1 (en) * 2003-12-05 2020-03-18 InterDigital VC Holdings, Inc. Technique for film grain simulation using a database of film grain patterns
EP1815688B1 (en) * 2004-11-23 2009-07-01 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

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JP2012209974A (ja) 2012-10-25
HK1114987A1 (en) 2008-11-14
EP1801751B1 (en) 2014-06-25
EP1801751A3 (en) 2011-04-27
US20100166335A1 (en) 2010-07-01
US7664337B2 (en) 2010-02-16
JP5301716B2 (ja) 2013-09-25
JP5236182B2 (ja) 2013-07-17
US20070140588A1 (en) 2007-06-21
JP2007174667A (ja) 2007-07-05
CN101072333A (zh) 2007-11-14
US7889940B2 (en) 2011-02-15
EP1801751A2 (en) 2007-06-27

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