BRPI0410383A - métodos e aparelho para representação de granularidade de imagem por um ou mais parámetros - Google Patents
métodos e aparelho para representação de granularidade de imagem por um ou mais parámetrosInfo
- Publication number
- BRPI0410383A BRPI0410383A BRPI0410383-1A BRPI0410383A BRPI0410383A BR PI0410383 A BRPI0410383 A BR PI0410383A BR PI0410383 A BRPI0410383 A BR PI0410383A BR PI0410383 A BRPI0410383 A BR PI0410383A
- Authority
- BR
- Brazil
- Prior art keywords
- parameters
- film grain
- representing image
- methods
- image granularity
- Prior art date
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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
-
- 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
-
- 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
- G06T9/00—Image coding
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/87—Producing a motion picture film from a television signal
-
- 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
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
-
- 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
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
-
- 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
- G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
-
- 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Color Television Systems (AREA)
- Studio Devices (AREA)
- Facsimile Image Signal Circuits (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
"MéTODO E APARELHO PARA REPRESENTAçãO DE GRANULARIDADE DE IMAGEM POR UM OU MAIS PARáMETROS". Para simular grão de filme em um sinal de vídeo comprimido, um decodificador (15, 28) recebe uma mensagem contendo informações que contêm um conjunto de um ou mais parâmetros, cada um especificando certo atributo associado ao grão de filme. Por exemplo, um dos parâmetros especificará o modelo utilizado para simular o grão de filme, ao passo que outros parâmetros especificam cada um fator específico associado àquele modelo. Após recebimento da mensagem, o decodificador seleciona o modelo, e simula o grão de filme para adição ao sinal de vídeo após descompressão.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47071203P | 2003-05-15 | 2003-05-15 | |
| US60/470,712 | 2003-05-15 | ||
| PCT/US2004/009866 WO2004105250A2 (en) | 2003-05-15 | 2004-03-30 | Method and apparatus for representing image granularity by one or more parameters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0410383A true BRPI0410383A (pt) | 2006-07-04 |
| BRPI0410383B1 BRPI0410383B1 (pt) | 2018-04-17 |
Family
ID=33476739
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0410383-1A BRPI0410383B1 (pt) | 2003-05-15 | 2004-03-30 | "método e aparelho para simular grão de filme por um ou mais parâmetros" |
| BRPI0410320A BRPI0410320B1 (pt) | 2003-05-15 | 2004-03-30 | método e aparelho para representação de granularidade de imagem por um ou mais parâmetros |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0410320A BRPI0410320B1 (pt) | 2003-05-15 | 2004-03-30 | método e aparelho para representação de granularidade de imagem por um ou mais parâmetros |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US7742655B2 (pt) |
| EP (8) | EP3798988B1 (pt) |
| JP (5) | JP4960703B2 (pt) |
| KR (2) | KR100991707B1 (pt) |
| CN (3) | CN100371955C (pt) |
| AU (3) | AU2004240456B2 (pt) |
| BR (2) | BRPI0410383B1 (pt) |
| CA (4) | CA2526016C (pt) |
| DK (6) | DK3678097T3 (pt) |
| ES (6) | ES2697523T3 (pt) |
| HU (5) | HUE052520T2 (pt) |
| MX (2) | MXPA05012295A (pt) |
| MY (2) | MY165687A (pt) |
| PL (8) | PL378934A1 (pt) |
| PT (6) | PT1627360T (pt) |
| RU (3) | RU2377652C2 (pt) |
| SI (6) | SI3457359T1 (pt) |
| WO (2) | WO2004105250A2 (pt) |
| ZA (2) | ZA200509227B (pt) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100591102C (zh) | 2003-04-10 | 2010-02-17 | 汤姆森许可贸易公司 | 用于在编码视频上仿真胶片颗粒的技术 |
| MXPA05012295A (es) | 2003-05-15 | 2006-05-31 | Thomson Licensing | Metodo y aparato para representar granualridad de imagen a traves de uno o mas parametros. |
| CA2537000C (en) | 2003-08-29 | 2011-11-15 | 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 |
| CA2538785C (en) | 2003-09-23 | 2013-10-29 | 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 |
| US7680356B2 (en) | 2003-10-14 | 2010-03-16 | Thomson Licensing | Technique for bit-accurate comfort noise addition |
| EP1673944B1 (en) * | 2003-10-14 | 2019-09-04 | InterDigital VC Holdings, Inc. | Technique for bit-accurate film grain simulation |
| CN100592792C (zh) * | 2004-03-19 | 2010-02-24 | 皇家飞利浦电子股份有限公司 | 为伪随机噪声的产生而并入并提取与电视信号有关的种子 |
| US8150206B2 (en) | 2004-03-30 | 2012-04-03 | Thomson Licensing | Method and apparatus for representing image granularity by one or more parameters |
| CN101044510B (zh) * | 2004-10-18 | 2012-01-04 | 汤姆森特许公司 | 胶片颗粒模拟方法 |
| WO2006044276A1 (en) | 2004-10-18 | 2006-04-27 | Thomson Licensing | Methods, apparatus and system for film grain simulation |
| US7738722B2 (en) | 2004-10-21 | 2010-06-15 | Thomson Licensing | Technique for adaptive de-blocking of block-based film grain patterns |
| GB0424339D0 (en) * | 2004-11-03 | 2004-12-08 | Astrazeneca Ab | Combination therapy |
| CA2803789C (en) | 2004-11-12 | 2014-04-15 | Thomson Licensing | Film grain simulation for normal play and trick mode play for video playback systems |
| KR101270755B1 (ko) | 2004-11-16 | 2013-06-03 | 톰슨 라이센싱 | 비디오 시스템에서 비트-정확한 시뮬레이션을 위한 필름 그레인 sei 메시지 삽입 |
| ZA200703917B (en) | 2004-11-16 | 2009-04-29 | Thomson Licensing | Bit-accurate seed initialization for pseudo-random number generators used in a video system |
| RU2371769C2 (ru) * | 2004-11-16 | 2009-10-27 | Томсон Лайсенсинг | Способ имитации зернистости фотопленки на основе предварительно вычисленных коэффициентов преобразования |
| 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. |
| KR101208158B1 (ko) | 2004-11-22 | 2012-12-05 | 톰슨 라이센싱 | 필름 그레인 시뮬레이션을 위한 필름 그레인 캐시 분할방법, 장치 및 시스템 |
| ZA200704141B (en) | 2004-11-23 | 2008-08-27 | Thomson Licensing | Low-complexity film grain simulation technique |
| US8023567B2 (en) * | 2004-11-24 | 2011-09-20 | Thomson Licensing | Film grain simulation technique for use in media playback devices |
| US7596239B2 (en) * | 2005-08-02 | 2009-09-29 | Lsi Corporation | Method and/or apparatus for video watermarking and steganography using simulated film grain |
| US7664337B2 (en) * | 2005-12-20 | 2010-02-16 | Marvell International Ltd. | Film grain generation and addition |
| JP4943503B2 (ja) * | 2006-05-18 | 2012-05-30 | トムソン ライセンシング | イメージコンテンツにデータを隠蔽する方法及び装置 |
| CN101467179B (zh) * | 2006-06-21 | 2012-08-22 | 汤姆森许可贸易公司 | 自动的胶片颗粒调节 |
| JP2008219163A (ja) * | 2007-02-28 | 2008-09-18 | Toshiba Corp | 情報符号化方法、情報再生方法、及び情報記憶媒体 |
| US10715834B2 (en) | 2007-05-10 | 2020-07-14 | Interdigital Vc Holdings, Inc. | Film grain simulation based on pre-computed transform coefficients |
| US20100110287A1 (en) * | 2008-10-31 | 2010-05-06 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Method and apparatus for modeling film grain noise |
| 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 |
| JP2014093568A (ja) * | 2012-10-31 | 2014-05-19 | Canon Inc | 動画像符号化装置、撮像装置、及び動画像符号化装置の制御方法 |
| CN103162629B (zh) * | 2013-01-31 | 2015-04-15 | 浙江大学 | 一种一维光阱微粒位移检测方法 |
| EP2821961A1 (en) * | 2013-07-05 | 2015-01-07 | Thomson Licensing | Method and apparatus for superimposing noise on an image sequence |
| EP2821962A1 (en) * | 2013-07-05 | 2015-01-07 | Thomson Licensing | Method and apparatus for superimposing noise on an image sequence |
| US10839489B2 (en) * | 2017-08-22 | 2020-11-17 | Netflix, Inc. | Techniques for synthesizing film grain |
| US10791343B2 (en) | 2018-03-13 | 2020-09-29 | Google Llc | Mixed noise and fine texture synthesis in lossy image compression |
| CN112381744B (zh) * | 2020-10-27 | 2022-10-11 | 杭州微帧信息科技有限公司 | 一种av1合成胶片颗粒自适应前处理的方法 |
| KR20230141829A (ko) | 2021-02-12 | 2023-10-10 | 구글 엘엘씨 | 그래픽 아티팩트 제거를 위한 파라미터화된 노이즈 합성 |
| CN119404500A (zh) * | 2022-04-19 | 2025-02-07 | 杜比实验室特许公司 | 元数据辅助的胶片颗粒去除 |
| 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 |
| US20250232460A1 (en) * | 2024-01-11 | 2025-07-17 | Beijing Yojaja Software Technology Development Co., Ltd. | Film grain measurement using adaptable region selection |
| WO2025186724A1 (en) * | 2024-03-05 | 2025-09-12 | Imax Corporation | Systems and methods for assessing perceptual quality of synthesized film grain |
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| US470712A (en) | 1892-03-15 | Carl siemens | ||
| DE2805528C2 (de) | 1978-02-10 | 1983-06-01 | Antonius Maria Adrianus Henricus van Dr.jur. Haarlem Tetering | Verfahren und Vorrichtung zur Gewinnung anamorphotischer Bilder |
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| PL181416B1 (pl) | 1995-09-12 | 2001-07-31 | Philips Electronics Nv | i modelowego kodowania sygnalów obrazu oraz sposób i urzadzenie do mieszanego, konturowego i modelowego dekodowania sygnalów obrazu PL |
| US5641596A (en) * | 1995-12-05 | 1997-06-24 | Eastman Kodak Company | Adjusting film grain properties in digital images |
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| US6067125A (en) * | 1997-05-15 | 2000-05-23 | Minerva Systems | Structure and method for film grain noise reduction |
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-
2004
- 2004-03-30 MX MXPA05012295A patent/MXPA05012295A/es active IP Right Grant
- 2004-03-30 CN CNB2004800131888A patent/CN100371955C/zh not_active Expired - Lifetime
- 2004-03-30 ES ES04785461T patent/ES2697523T3/es not_active Expired - Lifetime
- 2004-03-30 CA CA2526016A patent/CA2526016C/en not_active Expired - Lifetime
- 2004-03-30 SI SI200432489T patent/SI3457359T1/sl unknown
- 2004-03-30 HU HUE20154535A patent/HUE052520T2/hu unknown
- 2004-03-30 PL PL378934A patent/PL378934A1/pl not_active Application Discontinuation
- 2004-03-30 BR BRPI0410383-1A patent/BRPI0410383B1/pt active IP Right Grant
- 2004-03-30 PL PL20203073T patent/PL3798988T3/pl unknown
- 2004-03-30 AU AU2004240456A patent/AU2004240456B2/en not_active Expired
- 2004-03-30 EP EP20203073.0A patent/EP3798988B1/en not_active Revoked
- 2004-03-30 PT PT04785461T patent/PT1627360T/pt unknown
- 2004-03-30 EP EP21180366.3A patent/EP3913579B1/en not_active Expired - Lifetime
- 2004-03-30 ES ES18198246T patent/ES2781093T3/es not_active Expired - Lifetime
- 2004-03-30 RU RU2005139138/09A patent/RU2377652C2/ru active
- 2004-03-30 PL PL21180366.3T patent/PL3913579T3/pl unknown
- 2004-03-30 ES ES21180366T patent/ES2925988T3/es not_active Expired - Lifetime
- 2004-03-30 JP JP2006532359A patent/JP4960703B2/ja not_active Expired - Lifetime
- 2004-03-30 PT PT211803663T patent/PT3913579T/pt unknown
- 2004-03-30 US US10/556,834 patent/US7742655B2/en active Active
- 2004-03-30 DK DK20154535.7T patent/DK3678097T3/da active
- 2004-03-30 EP EP21160153.9A patent/EP3862973B1/en not_active Expired - Lifetime
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