BRPI0414647A - técnica para simular grão de filme usando filtração de freqüência - Google Patents

técnica para simular grão de filme usando filtração de freqüência

Info

Publication number
BRPI0414647A
BRPI0414647A BRPI0414647-6A BRPI0414647A BRPI0414647A BR PI0414647 A BRPI0414647 A BR PI0414647A BR PI0414647 A BRPI0414647 A BR PI0414647A BR PI0414647 A BRPI0414647 A BR PI0414647A
Authority
BR
Brazil
Prior art keywords
film grain
technique
image
simulating
frequency filtration
Prior art date
Application number
BRPI0414647-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Joan Llach
Jill Macdonald Boyce
Alexandros Tourapis
Original Assignee
Thomson Licensing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0414647A publication Critical patent/BRPI0414647A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/001—Texturing; Colouring; Generation of texture or colour
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • 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
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • 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
    • G06T2207/20048—Transform domain processing
    • G06T2207/20052—Discrete cosine transform [DCT]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Studio Circuits (AREA)
BRPI0414647-6A 2003-09-23 2004-09-22 técnica para simular grão de filme usando filtração de freqüência BRPI0414647A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50526003P 2003-09-23 2003-09-23
PCT/US2004/030950 WO2005032143A1 (en) 2003-09-23 2004-09-22 Technique for simulating film grain using frequency filtering

Publications (1)

Publication Number Publication Date
BRPI0414647A true BRPI0414647A (pt) 2006-11-14

Family

ID=34392999

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0414647-6A BRPI0414647A (pt) 2003-09-23 2004-09-22 técnica para simular grão de filme usando filtração de freqüência

Country Status (11)

Country Link
US (1) US7889939B2 (enExample)
EP (1) EP1676447A1 (enExample)
JP (2) JP4931587B2 (enExample)
KR (1) KR101114743B1 (enExample)
CN (1) CN1857005B (enExample)
AU (2) AU2004306091B2 (enExample)
BR (1) BRPI0414647A (enExample)
CA (1) CA2538832C (enExample)
RU (1) RU2342703C2 (enExample)
WO (1) WO2005032143A1 (enExample)
ZA (1) ZA200602349B (enExample)

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CA2537000C (en) * 2003-08-29 2011-11-15 Thomson Licensing Method and apparatus for modeling film grain patterns in the frequency domain
US7889939B2 (en) * 2003-09-23 2011-02-15 Thomson Licensing Technique for simulating film grain using frequency filtering
WO2005034518A1 (en) * 2003-09-23 2005-04-14 Thomson Licensing S.A. Method for simulating film grain by mosaicing pre-computed samples
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
ES2749373T3 (es) * 2003-10-14 2020-03-20 Interdigital Vc Holdings Inc Técnica para una simulación del grano de película exacta de bits
JP4066367B2 (ja) * 2003-11-28 2008-03-26 ノーリツ鋼機株式会社 画像ノイズ除去方法
US8150206B2 (en) * 2004-03-30 2012-04-03 Thomson Licensing Method and apparatus for representing image granularity by one or more parameters
BRPI0516614B1 (pt) * 2004-10-18 2020-08-18 Interdigital Vc Holdings, Inc Método de simulação de granulação de filme
JP4543873B2 (ja) 2004-10-18 2010-09-15 ソニー株式会社 画像処理装置および処理方法
US7738722B2 (en) * 2004-10-21 2010-06-15 Thomson Licensing Technique for adaptive de-blocking of block-based film grain patterns
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.
CN101138247B (zh) 2004-11-16 2010-05-26 汤姆森特许公司 位精度仿真的胶片颗粒补充增强信息消息插入方法及系统
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
MX2007005651A (es) 2004-11-17 2007-06-05 Thomson Licensing Metodo de simulacion de grano de pelicula exacto de bits con base en coeficientes transformados pre-computados.
EP1817915A2 (en) 2004-11-22 2007-08-15 THOMSON Licensing Methods, apparatus and system for film grain cache splitting for film grain simulation
US8472526B2 (en) 2004-11-23 2013-06-25 Thomson Licensing Low-complexity film grain simulation technique
JP4960879B2 (ja) * 2004-11-24 2012-06-27 トムソン ライセンシング メディア再生装置における使用のためのフィルム粒子シミュレーション技術
EP1670255A1 (en) * 2004-12-08 2006-06-14 Koninklijke Philips Electronics N.V. Electronic image processing method and device with linked random generators
WO2006075304A2 (en) * 2005-01-12 2006-07-20 Koninklijke Philips Electronics N.V. Depth perception
US7664337B2 (en) * 2005-12-20 2010-02-16 Marvell International Ltd. Film grain generation and addition
JP2007235227A (ja) * 2006-02-27 2007-09-13 Toshiba Corp 映像再生装置、および映像再生方法
EP2036036B1 (en) * 2006-06-21 2018-10-31 Thomson Licensing Automatic film grain adjustment
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
US10715834B2 (en) 2007-05-10 2020-07-14 Interdigital Vc Holdings, Inc. Film grain simulation based on pre-computed transform coefficients
US8432975B2 (en) * 2008-01-18 2013-04-30 Mediatek Inc. Apparatus and method for processing a picture frame
US20090328093A1 (en) * 2008-06-30 2009-12-31 At&T Intellectual Property I, L.P. Multimedia Content Filtering
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
WO2011088321A1 (en) * 2010-01-15 2011-07-21 Marvell World Trade, Ltd Use of film grain to mask compression artifacts
JP5484310B2 (ja) 2010-12-24 2014-05-07 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
CN102324091A (zh) * 2011-09-08 2012-01-18 深圳市万兴软件有限公司 一种图像加噪方法和装置
KR101979634B1 (ko) 2012-12-13 2019-05-20 삼성전자주식회사 화질 개선을 위한 영상 처리 장치 및 그 방법
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
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
CN112525102B (zh) * 2020-12-09 2021-07-23 吉林大学 基于电流变液的汽车形貌测量系统噪声模拟仪
KR20250029873A (ko) * 2022-07-11 2025-03-05 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 인코딩 정보를 사용한 필름 그레인 합성
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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US4935816A (en) 1989-06-23 1990-06-19 Robert A. Faber Method and apparatus for video image film simulation
RU2088962C1 (ru) 1990-09-28 1997-08-27 Диджитал Тиатер Системз, Л.П. Звуковая кинопленка, звуковая система для кинофильма на пленке, способ получения аналоговой фонограммы и цифрового идентификатора, положения на кинопленке, способ получения звукового сигнала кинопленки и способ считывания последовательных цифровых данных из цифрового запоминающего устройства
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
US5140414A (en) 1990-10-11 1992-08-18 Mowry Craig P Video system for producing video images simulating images derived from motion picture 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
US5335013A (en) 1992-01-16 1994-08-02 Faber Robert A Method and apparatus for video camera image film simulation
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
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
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
WO1996013006A1 (en) 1994-10-20 1996-05-02 Mark Alan Zimmer Digital mark-making method
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
US5641596A (en) * 1995-12-05 1997-06-24 Eastman Kodak Company Adjusting film grain properties in digital images
GB9613865D0 (en) 1996-07-02 1996-09-04 Crosfield Electronics Ltd Method and apparatus for generating a digital representation of an image
US6317216B1 (en) 1999-12-13 2001-11-13 Brown University Research Foundation Optical method for the determination of grain orientation in films
WO2001077871A1 (en) 2000-04-07 2001-10-18 Demografx Enhanced temporal and resolution layering in advanced television
CA2309002A1 (en) * 2000-05-23 2001-11-23 Jonathan Martin Shekter Digital film grain reduction
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
US7092016B2 (en) * 2001-02-09 2006-08-15 Eastman Kodak Company Method and system for motion image digital processing
WO2004095829A1 (en) * 2003-04-10 2004-11-04 Thomson Licensing S.A. Technique for simulating film grain on encoded video
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US7245783B2 (en) * 2003-06-24 2007-07-17 Eastman Kodak Company System and method for estimating, synthesizing and matching noise in digital images and image sequences
CA2537000C (en) * 2003-08-29 2011-11-15 Thomson Licensing Method and apparatus for modeling film grain patterns in the frequency domain
US7889939B2 (en) * 2003-09-23 2011-02-15 Thomson Licensing Technique for simulating film grain using frequency filtering

Also Published As

Publication number Publication date
RU2006113613A (ru) 2006-08-27
AU2010202973A1 (en) 2010-08-05
US7889939B2 (en) 2011-02-15
AU2010202973B2 (en) 2011-05-12
ZA200602349B (en) 2007-10-31
AU2004306091B2 (en) 2010-08-12
KR101114743B1 (ko) 2012-03-13
RU2342703C2 (ru) 2008-12-27
WO2005032143A1 (en) 2005-04-07
JP4931587B2 (ja) 2012-05-16
AU2004306091A1 (en) 2005-04-07
EP1676447A1 (en) 2006-07-05
JP2007507172A (ja) 2007-03-22
WO2005032143A9 (en) 2005-10-13
CN1857005A (zh) 2006-11-01
JP2012100322A (ja) 2012-05-24
US20070036452A1 (en) 2007-02-15
CA2538832C (en) 2013-02-12
HK1093642A1 (zh) 2007-03-02
KR20070029624A (ko) 2007-03-14
CA2538832A1 (en) 2005-04-07
CN1857005B (zh) 2010-04-28

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04N 5/262 (2006.01), G06T 5/00 (2006.01), G06T 5/

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL VC HOLDINGS, INC. (US)

B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time