HK1093642A1 - Technique for simulating film grain using frequency filtering - Google Patents

Technique for simulating film grain using frequency filtering

Info

Publication number
HK1093642A1
HK1093642A1 HK07100067.1A HK07100067A HK1093642A1 HK 1093642 A1 HK1093642 A1 HK 1093642A1 HK 07100067 A HK07100067 A HK 07100067A HK 1093642 A1 HK1093642 A1 HK 1093642A1
Authority
HK
Hong Kong
Prior art keywords
film grain
image
technique
decoder
simulation
Prior art date
Application number
HK07100067.1A
Other languages
English (en)
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 HK1093642A1 publication Critical patent/HK1093642A1/xx

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; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR 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; 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
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • 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
    • G06T2207/20048—Transform domain processing
    • G06T2207/20052—Discrete cosine transform [DCT]
    • 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

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)
  • Studio Circuits (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
HK07100067.1A 2003-09-23 2007-01-03 Technique for simulating film grain using frequency filtering HK1093642A1 (en)

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
HK1093642A1 true HK1093642A1 (en) 2007-03-02

Family

ID=34392999

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07100067.1A HK1093642A1 (en) 2003-09-23 2007-01-03 Technique for simulating film grain using frequency filtering

Country Status (12)

Country Link
US (1) US7889939B2 (xx)
EP (1) EP1676447A1 (xx)
JP (2) JP4931587B2 (xx)
KR (1) KR101114743B1 (xx)
CN (1) CN1857005B (xx)
AU (2) AU2004306091B2 (xx)
BR (1) BRPI0414647A (xx)
CA (1) CA2538832C (xx)
HK (1) HK1093642A1 (xx)
RU (1) RU2342703C2 (xx)
WO (1) WO2005032143A1 (xx)
ZA (1) ZA200602349B (xx)

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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
JP4685021B2 (ja) * 2003-10-14 2011-05-18 トムソン ライセンシング ビットアキュレートフィルムグレインシミュレーション技術
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
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
KR101096916B1 (ko) * 2004-10-18 2011-12-22 톰슨 라이센싱 필름 그레인 시뮬레이션 방법
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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
RU2371769C2 (ru) 2004-11-16 2009-10-27 Томсон Лайсенсинг Способ имитации зернистости фотопленки на основе предварительно вычисленных коэффициентов преобразования
KR101229942B1 (ko) 2004-11-16 2013-02-06 톰슨 라이센싱 비디오 시스템에서 비트까지 정확한 시뮬레이션을 위한필름 그레인 ｓｅｉ 메시지 삽입
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
ZA200704141B (en) 2004-11-23 2008-08-27 Thomson Licensing Low-complexity film grain simulation technique
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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
US8295628B2 (en) * 2006-06-21 2012-10-23 Thomson Licensing Automatic film grain adjustment
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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
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
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
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
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
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Also Published As

Publication number Publication date
CN1857005A (zh) 2006-11-01
ZA200602349B (en) 2007-10-31
EP1676447A1 (en) 2006-07-05
AU2010202973A1 (en) 2010-08-05
US7889939B2 (en) 2011-02-15
WO2005032143A1 (en) 2005-04-07
WO2005032143A9 (en) 2005-10-13
JP2012100322A (ja) 2012-05-24
CA2538832A1 (en) 2005-04-07
JP4931587B2 (ja) 2012-05-16
BRPI0414647A (pt) 2006-11-14
RU2006113613A (ru) 2006-08-27
AU2010202973B2 (en) 2011-05-12
CA2538832C (en) 2013-02-12
RU2342703C2 (ru) 2008-12-27
JP2007507172A (ja) 2007-03-22
KR20070029624A (ko) 2007-03-14
AU2004306091B2 (en) 2010-08-12
US20070036452A1 (en) 2007-02-15
AU2004306091A1 (en) 2005-04-07
KR101114743B1 (ko) 2012-03-13
CN1857005B (zh) 2010-04-28

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20210924