CN101072333B - 胶片颗粒的产生和添加 - Google Patents
胶片颗粒的产生和添加 Download PDFInfo
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- 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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- film grain
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- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008676 import Effects 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 7
- 230000035807 sensation Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 241000255925 Diptera Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
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- 230000003068 static effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
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- 238000012805 post-processing Methods 0.000 description 1
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Images
Classifications
-
- G06T5/70—
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
Abstract
Description
参数 | 具体要求 | 单位 |
空间采样频率(Fs) | 512 | 周期数/宽度 |
阻带频率(fs) | 0.1*Fs | 周期数/宽度 |
通带频率(fp) | 0.5*Fs | 周期数/宽度 |
通带波动(Ap) | 0.01 | 分贝 |
阻带衰减(As) | 60 | 分贝 |
Hc0 | Hc1 | Hc2 | Hc3 | Hc4 | Hc5 | Hc6 | |
Vc0 | -0.0003 | -0.0017 | -0.0042 | -0.0057 | -0.0042 | -0.0017 | -0.0003 |
Vc1 | -0.0017 | 0.0027 | 0.0263 | 0.0437 | 0.0263 | 0.0027 | -0.0017 |
Vc2 | -0.0042 | 0.0263 | -0.0537 | -0.1685 | -0.0537 | 0.0263 | -0.0042 |
Vc3 | -0.0057 | 0.0437 | -0.1685 | 0.5642 | -0.1685 | 0.0437 | -0.0057 |
Vc4 | -0.0042 | 0.0263 | 0.0537 | -0.1685 | -0.0537 | 0.0263 | -00042 |
Hc0 | Hc1 | Hc2 | Hc3 | Hc4 | Hc5 | Hc6 | |
Vc5 | -0.0017 | 0.0027 | 0.0263 | 0.0437 | 0.0263 | 0.0027 | -0.0017 |
Vc6 | -0.0003 | -0.0017 | -0.0042 | -0.0057 | -0.0042 | -0.0017 | -0.0003 |
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/313,577 US7664337B2 (en) | 2005-12-20 | 2005-12-20 | Film grain generation and addition |
US11/313,577 | 2005-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101072333A CN101072333A (zh) | 2007-11-14 |
CN101072333B true CN101072333B (zh) | 2010-11-03 |
Family
ID=37836639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006100644502A Active CN101072333B (zh) | 2005-12-20 | 2006-12-20 | 胶片颗粒的产生和添加 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7664337B2 (zh) |
EP (1) | EP1801751B1 (zh) |
JP (2) | JP5236182B2 (zh) |
CN (1) | CN101072333B (zh) |
HK (1) | HK1114987A1 (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1803094B1 (en) * | 2004-10-18 | 2020-02-19 | InterDigital VC Holdings, Inc. | Film grain simulation method |
EP1803303B1 (en) * | 2004-10-21 | 2019-12-04 | InterDigital VC Holdings, Inc. | Technique for adaptive de-blocking of block-based film grain patterns |
BRPI0517793A (pt) * | 2004-11-12 | 2008-10-21 | Thomson Licensing | simulação de grão de filme para execução normal e execução em modo de efeitos para sistemas de reprodução de vìdeo |
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 |
JP4950059B2 (ja) | 2004-11-16 | 2012-06-13 | トムソン ライセンシング | 映像システムにおけるビットアキュレートシミュレーションのためのフィルムグレインseiメッセージ挿入 |
BRPI0517759B1 (pt) * | 2004-11-17 | 2017-09-12 | Thomson Licensing | Exact bit film granulation simulation method based on pre-computed transforming coefficients |
US8483288B2 (en) * | 2004-11-22 | 2013-07-09 | Thomson Licensing | Methods, apparatus and system for film grain cache splitting for film grain simulation |
BRPI0518052B1 (pt) | 2004-11-23 | 2019-07-16 | Thomson Licensing | Método e aparelho para simular granulação de filme |
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 |
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 |
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 |
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 |
US20230179805A1 (en) * | 2021-12-07 | 2023-06-08 | Qualcomm Incorporated | Adaptive film grain synthesis |
WO2023211861A1 (en) * | 2022-04-25 | 2023-11-02 | Invizipro Llc | Simulation of analog film characteristics |
CN116708876A (zh) * | 2023-05-06 | 2023-09-05 | 神力视界(深圳)文化科技有限公司 | 视频流处理方法及电子设备 |
Citations (1)
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 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
ES2834393T3 (es) * | 2003-05-15 | 2021-06-17 | Dolby Int Ab | Método y aparato para representar la granularidad de una imagen mediante uno o más parámetros |
PL1661089T3 (pl) * | 2003-08-29 | 2008-05-30 | Thomson Licensing | Sposób i urządzenie do modelowania w dziedzinie częstotliwości wzorów ziarna błony filmowej |
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 |
RU2342703C2 (ru) * | 2003-09-23 | 2008-12-27 | Томсон Лайсенсинг | Методика имитации зернистости пленки с помощью частотной фильтрации |
SG147440A1 (en) * | 2003-10-14 | 2008-11-28 | Thomson Licensing | Technique for bit-accurate film grain simulation |
AU2004298261B2 (en) * | 2003-12-05 | 2010-02-25 | Interdigital Vc Holdings, Inc. | Technique for film grain simulation using a database of film grain patterns |
BRPI0518052B1 (pt) * | 2004-11-23 | 2019-07-16 | Thomson Licensing | Método e aparelho para simular granulação de filme |
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 |
-
2005
- 2005-12-20 US US11/313,577 patent/US7664337B2/en active Active
-
2006
- 2006-12-20 EP EP06026494.2A patent/EP1801751B1/en active Active
- 2006-12-20 JP JP2006343186A patent/JP5236182B2/ja not_active Expired - Fee Related
- 2006-12-20 CN CN2006100644502A patent/CN101072333B/zh active Active
-
2008
- 2008-04-28 HK HK08104663.0A patent/HK1114987A1/xx not_active IP Right Cessation
-
2009
- 2009-12-18 US US12/642,440 patent/US7889940B2/en active Active
-
2012
- 2012-07-18 JP JP2012159585A patent/JP5301716B2/ja not_active Expired - Fee Related
Patent Citations (1)
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 |
---|---|
JP2007174667A (ja) | 2007-07-05 |
JP5301716B2 (ja) | 2013-09-25 |
US7889940B2 (en) | 2011-02-15 |
CN101072333A (zh) | 2007-11-14 |
JP2012209974A (ja) | 2012-10-25 |
US20070140588A1 (en) | 2007-06-21 |
EP1801751B1 (en) | 2014-06-25 |
JP5236182B2 (ja) | 2013-07-17 |
US20100166335A1 (en) | 2010-07-01 |
HK1114987A1 (en) | 2008-11-14 |
EP1801751A3 (en) | 2011-04-27 |
US7664337B2 (en) | 2010-02-16 |
EP1801751A2 (en) | 2007-06-27 |
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