BRPI0414647A - técnica para simular grão de filme usando filtração de freqüência - Google Patents
técnica para simular grão de filme usando filtração de freqüênciaInfo
- 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
Links
- 238000001914 filtration Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000004088 simulation Methods 0.000 abstract 2
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)
Abstract
"TéCNICA PARA SIMULAR GRãO DE FILME USANDO FILTRAçãO DE FREQüêNCIA". Simulação de grão de filme em uma imagem pode ocorrer pela compressão de uma imagem de vídeo, em seguida transmissão do vídeo comprimido juntamente com uma mensagem contendo pelo menos um parâmetro indicativo do grão de filme original, a um decodificador, e restauração da aparência da granularidade original de imagens tendo-se o decodificador simulando grão de filme com base no conteúdo da mensagem do grão de filme. Para melhorar a eficiência, um ou mais parâmetros de informação de grão de filme passam por ajuste de escala de acordo com um tamanho de bloco de pixels visado para blocos de pixels na imagem. Tal ajuste na escala permite o uso de conjunto de circuitos convencionais para realizar operações baseadas em bloco em relação a simulação de grão de filme.
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 (12)
Country | Link |
---|---|
US (1) | US7889939B2 (pt) |
EP (1) | EP1676447A1 (pt) |
JP (2) | JP4931587B2 (pt) |
KR (1) | KR101114743B1 (pt) |
CN (1) | CN1857005B (pt) |
AU (2) | AU2004306091B2 (pt) |
BR (1) | BRPI0414647A (pt) |
CA (1) | CA2538832C (pt) |
HK (1) | HK1093642A1 (pt) |
RU (1) | RU2342703C2 (pt) |
WO (1) | WO2005032143A1 (pt) |
ZA (1) | ZA200602349B (pt) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7738721B2 (en) * | 2003-08-29 | 2010-06-15 | Thomson Licensing | Method and apparatus for modeling film grain patterns in the frequency domain |
RU2342703C2 (ru) * | 2003-09-23 | 2008-12-27 | Томсон Лайсенсинг | Методика имитации зернистости пленки с помощью частотной фильтрации |
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 |
ZA200703153B (en) * | 2004-10-18 | 2008-08-27 | Thomson Licensing | Film grain simulation method |
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 |
CA2584027C (en) * | 2004-10-21 | 2014-12-30 | Thomson Licensing | 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 |
CA2587118C (en) | 2004-11-16 | 2014-12-30 | Thomson Licensing | Film grain sei message insertion for bit-accurate simulation in a video system |
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 |
KR101169826B1 (ko) * | 2004-11-17 | 2012-08-03 | 톰슨 라이센싱 | 사전계산된 변환 계수들에 기초한 비트-어큐리트 필름그레인 시뮬레이션 방법 |
BRPI0518037A (pt) * | 2004-11-22 | 2008-10-28 | Thomson Licensing | métodos, aparelho e sistema para dividir cache de granulação de pelìcula para simulação de granulação de pelìcula |
MX2007006211A (es) | 2004-11-23 | 2007-06-12 | Thomson Licensing | Tecnica de simulacion de grano de pelicula de baja complejidad. |
CA2587445C (en) * | 2004-11-24 | 2013-06-18 | 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 |
KR101249236B1 (ko) * | 2005-01-12 | 2013-04-01 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 깊이 인식 |
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 |
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 |
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 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
US5140414A (en) | 1990-10-11 | 1992-08-18 | Mowry Craig P | Video system for producing video images simulating images derived from motion picture 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 |
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 |
CA2406459C (en) | 2000-04-07 | 2006-06-06 | 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 |
BRPI0408570B1 (pt) * | 2003-04-10 | 2018-02-27 | Dolby International Ab | Processos e aparelho para simular granulação de filme em uma imagem |
PT3798988T (pt) | 2003-05-15 | 2021-09-08 | Dolby Int Ab | Método e aparelho para representar a granularidade de imagens por um ou mais parâmetros |
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 |
US7738721B2 (en) * | 2003-08-29 | 2010-06-15 | Thomson Licensing | Method and apparatus for modeling film grain patterns in the frequency domain |
RU2342703C2 (ru) * | 2003-09-23 | 2008-12-27 | Томсон Лайсенсинг | Методика имитации зернистости пленки с помощью частотной фильтрации |
-
2004
- 2004-09-22 RU RU2006113613/09A patent/RU2342703C2/ru active
- 2004-09-22 WO PCT/US2004/030950 patent/WO2005032143A1/en active Application Filing
- 2004-09-22 US US10/571,148 patent/US7889939B2/en not_active Expired - Fee Related
- 2004-09-22 BR BRPI0414647-6A patent/BRPI0414647A/pt not_active Application Discontinuation
- 2004-09-22 CN CN2004800275225A patent/CN1857005B/zh not_active Expired - Fee Related
- 2004-09-22 JP JP2006528114A patent/JP4931587B2/ja not_active Expired - Fee Related
- 2004-09-22 CA CA2538832A patent/CA2538832C/en not_active Expired - Fee Related
- 2004-09-22 KR KR1020067005686A patent/KR101114743B1/ko active IP Right Grant
- 2004-09-22 EP EP04784705A patent/EP1676447A1/en not_active Withdrawn
- 2004-09-22 AU AU2004306091A patent/AU2004306091B2/en not_active Ceased
- 2004-09-22 ZA ZA200602349A patent/ZA200602349B/en unknown
-
2007
- 2007-01-03 HK HK07100067.1A patent/HK1093642A1/xx not_active IP Right Cessation
-
2010
- 2010-07-14 AU AU2010202973A patent/AU2010202973B2/en not_active Ceased
-
2011
- 2011-12-28 JP JP2011288833A patent/JP2012100322A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1857005A (zh) | 2006-11-01 |
KR20070029624A (ko) | 2007-03-14 |
AU2004306091A1 (en) | 2005-04-07 |
AU2010202973A1 (en) | 2010-08-05 |
WO2005032143A1 (en) | 2005-04-07 |
RU2342703C2 (ru) | 2008-12-27 |
JP4931587B2 (ja) | 2012-05-16 |
CA2538832A1 (en) | 2005-04-07 |
CN1857005B (zh) | 2010-04-28 |
JP2007507172A (ja) | 2007-03-22 |
EP1676447A1 (en) | 2006-07-05 |
ZA200602349B (en) | 2007-10-31 |
US20070036452A1 (en) | 2007-02-15 |
AU2004306091B2 (en) | 2010-08-12 |
RU2006113613A (ru) | 2006-08-27 |
KR101114743B1 (ko) | 2012-03-13 |
US7889939B2 (en) | 2011-02-15 |
AU2010202973B2 (en) | 2011-05-12 |
HK1093642A1 (en) | 2007-03-02 |
WO2005032143A9 (en) | 2005-10-13 |
JP2012100322A (ja) | 2012-05-24 |
CA2538832C (en) | 2013-02-12 |
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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 |