KR101114743B1 - 주파수 필터링을 이용한 필름 그레인 시뮬레이팅을 위한기술 - Google Patents

주파수 필터링을 이용한 필름 그레인 시뮬레이팅을 위한기술 Download PDF

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Publication number
KR101114743B1
KR101114743B1 KR1020067005686A KR20067005686A KR101114743B1 KR 101114743 B1 KR101114743 B1 KR 101114743B1 KR 1020067005686 A KR1020067005686 A KR 1020067005686A KR 20067005686 A KR20067005686 A KR 20067005686A KR 101114743 B1 KR101114743 B1 KR 101114743B1
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South Korea
Prior art keywords
film grain
image
block
noise
receiving
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KR1020067005686A
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Korean (ko)
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KR20070029624A (ko
Inventor
조안 라크
질 맥도날드 보이스
알렉산드로스 토라피스
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톰슨 라이센싱
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Assigned to 인터디지털 브이씨 홀딩스 인코포레이티드 reassignment 인터디지털 브이씨 홀딩스 인코포레이티드 권리의 전부이전등록 Assignors: 톰슨 라이센싱
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    • 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—Two-dimensional [2D] image generation
    • G06T11/10—Texturing; Colouring; Generation of textures or colours
    • 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

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  • 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)
KR1020067005686A 2003-09-23 2004-09-22 주파수 필터링을 이용한 필름 그레인 시뮬레이팅을 위한기술 Expired - Fee Related KR101114743B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50526003P 2003-09-23 2003-09-23
US60/505,260 2003-09-23
PCT/US2004/030950 WO2005032143A1 (en) 2003-09-23 2004-09-22 Technique for simulating film grain using frequency filtering

Publications (2)

Publication Number Publication Date
KR20070029624A KR20070029624A (ko) 2007-03-14
KR101114743B1 true KR101114743B1 (ko) 2012-03-13

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KR1020067005686A Expired - Fee Related KR101114743B1 (ko) 2003-09-23 2004-09-22 주파수 필터링을 이용한 필름 그레인 시뮬레이팅을 위한기술

Country Status (11)

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

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US7945106B2 (en) * 2003-09-23 2011-05-17 Thomson Licensing Method for simulating film grain by mosaicing pre-computer 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
EP1673944B1 (en) * 2003-10-14 2019-09-04 InterDigital VC Holdings, Inc. Technique for bit-accurate film grain simulation
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
KR101096916B1 (ko) * 2004-10-18 2011-12-22 톰슨 라이센싱 필름 그레인 시뮬레이션 방법
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
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
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
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
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
WO2006057994A2 (en) * 2004-11-24 2006-06-01 Thomson Licensing Film grain simulation technique for use in media playback devices
EP1670255A1 (en) * 2004-12-08 2006-06-14 Koninklijke Philips Electronics N.V. Electronic image processing method and device with linked random generators
ES2323287T3 (es) * 2005-01-12 2009-07-10 Koninklijke Philips Electronics N.V. Percepcion de profundidad.
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
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
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
US20110176058A1 (en) * 2010-01-15 2011-07-21 Mainak Biswas 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
WO2024012810A1 (en) * 2022-07-11 2024-01-18 Interdigital Ce Patent Holdings, Sas Film grain synthesis using encoding information
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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JPH1079023A (ja) 1996-07-02 1998-03-24 Fujifilm Electron Imaging Ltd 画像のディジタル表現を発生する方法、画像ディジタル化装置、ならびに画像のディジタル表現および入力プロファイルを編集する方法および装置

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JPH1079023A (ja) 1996-07-02 1998-03-24 Fujifilm Electron Imaging Ltd 画像のディジタル表現を発生する方法、画像ディジタル化装置、ならびに画像のディジタル表現および入力プロファイルを編集する方法および装置

Also Published As

Publication number Publication date
US7889939B2 (en) 2011-02-15
KR20070029624A (ko) 2007-03-14
JP2012100322A (ja) 2012-05-24
EP1676447A1 (en) 2006-07-05
JP4931587B2 (ja) 2012-05-16
WO2005032143A1 (en) 2005-04-07
JP2007507172A (ja) 2007-03-22
RU2342703C2 (ru) 2008-12-27
US20070036452A1 (en) 2007-02-15
BRPI0414647A (pt) 2006-11-14
ZA200602349B (en) 2007-10-31
RU2006113613A (ru) 2006-08-27
AU2004306091A1 (en) 2005-04-07
CN1857005A (zh) 2006-11-01
HK1093642A1 (zh) 2007-03-02
AU2010202973A1 (en) 2010-08-05
CA2538832C (en) 2013-02-12
CN1857005B (zh) 2010-04-28
AU2010202973B2 (en) 2011-05-12
AU2004306091B2 (en) 2010-08-12
CA2538832A1 (en) 2005-04-07
WO2005032143A9 (en) 2005-10-13

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