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
- 230000006837 decompression Effects 0.000 abstract 1
Classifications
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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
- H04N19/10—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
-
- G06T5/70—
-
- 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 by non-spatial domain filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR 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; 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
- G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
-
- 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Color Television Systems (AREA)
- Studio Devices (AREA)
- Facsimile Image Signal Circuits (AREA)
- Crystals, And After-Treatments Of Crystals (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 (20)
Country | Link |
---|---|
US (1) | US7742655B2 (pt) |
EP (8) | EP3798988B1 (pt) |
JP (5) | JP4919804B2 (pt) |
KR (2) | KR101017260B1 (pt) |
CN (3) | CN100371955C (pt) |
AU (3) | AU2004240456B2 (pt) |
BR (2) | BRPI0410383B1 (pt) |
CA (4) | CA2875893A1 (pt) |
DK (6) | DK3913579T3 (pt) |
ES (6) | ES2907226T3 (pt) |
HK (1) | HK1087232A1 (pt) |
HU (5) | HUE055529T2 (pt) |
MX (2) | MXPA05012294A (pt) |
MY (2) | MY165687A (pt) |
PL (8) | PL1627360T3 (pt) |
PT (6) | PT3798988T (pt) |
RU (3) | RU2005139131A (pt) |
SI (6) | SI3862973T1 (pt) |
WO (2) | WO2004104931A1 (pt) |
ZA (2) | ZA200509227B (pt) |
Families Citing this family (39)
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BRPI0408570B1 (pt) | 2003-04-10 | 2018-02-27 | Dolby International Ab | Processos e aparelho para simular granulação de filme em uma imagem |
JP4919804B2 (ja) * | 2003-05-15 | 2012-04-18 | トムソン ライセンシング | 1つ又は複数のパラメータによって画像粒状性を表す方法及び装置 |
EP1661089B1 (en) | 2003-08-29 | 2007-12-12 | 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 |
CN1857006B (zh) | 2003-09-23 | 2011-06-08 | 汤姆森特许公司 | 通过镶嵌预先计算的样本来模拟胶片颗粒的方法 |
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 |
WO2005091642A1 (en) * | 2004-03-19 | 2005-09-29 | Koninklijke Philips Electronics N.V. | Imcorporation and extraction of a seed linked to a television signal for pseudo-random noise generation |
US8150206B2 (en) * | 2004-03-30 | 2012-04-03 | Thomson Licensing | Method and apparatus for representing image granularity by one or more parameters |
JP4764883B2 (ja) | 2004-10-18 | 2011-09-07 | トムソン ライセンシング | フィルムグレイン・シミュレーションの方法、装置及びシステム |
WO2006044260A1 (en) | 2004-10-18 | 2006-04-27 | Thomson Licensing | Film grain simulation method |
KR101174179B1 (ko) | 2004-10-21 | 2012-08-16 | 톰슨 라이센싱 | 블록 기반의 필름 그레인 패턴의 적응적 디블로킹을 위한기술 |
GB0424339D0 (en) * | 2004-11-03 | 2004-12-08 | Astrazeneca Ab | Combination therapy |
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 |
KR101170584B1 (ko) * | 2004-11-16 | 2012-08-01 | 톰슨 라이센싱 | 사전계산된 변환 계수에 기반한 필름 그레인 시뮬레이션방법 |
MX2007005828A (es) | 2004-11-16 | 2007-07-25 | Thomson Licensing | Inicializacion de semilla exacta de bits para generadores de numero pseudo-aleatorio utilizados en un sistema de video. |
AU2005306936B2 (en) * | 2004-11-17 | 2011-02-10 | Interdigital Vc Holdings, Inc. | Bit-accurate film grain simulation method based on pre-computed transformed coefficients |
EP1817915A2 (en) * | 2004-11-22 | 2007-08-15 | THOMSON Licensing | Methods, apparatus and system for film grain cache splitting for film grain simulation |
CN101065970B (zh) | 2004-11-23 | 2010-09-29 | 汤姆森许可贸易公司 | 用于仿真胶片颗粒的方法与设备 |
AU2005309719B2 (en) * | 2004-11-24 | 2010-07-01 | Interdigital Vc Holdings, Inc. | 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 |
WO2007136546A2 (en) * | 2006-05-18 | 2007-11-29 | Thomson Licensing | Data hiding technique |
US8295628B2 (en) | 2006-06-21 | 2012-10-23 | Thomson Licensing | Automatic film grain adjustment |
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 |
EP2821962A1 (en) * | 2013-07-05 | 2015-01-07 | Thomson Licensing | Method and apparatus for superimposing noise on an image sequence |
EP2821961A1 (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 |
WO2023205144A1 (en) * | 2022-04-19 | 2023-10-26 | Dolby Laboratories Licensing Corporation | Metadata-aided removal of film grain |
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2004
- 2004-03-30 JP JP2006532349A patent/JP4919804B2/ja not_active Expired - Lifetime
- 2004-03-30 BR BRPI0410383-1A patent/BRPI0410383B1/pt active IP Right Grant
- 2004-03-30 RU RU2005139131/09A patent/RU2005139131A/ru unknown
- 2004-03-30 PL PL04785461T patent/PL1627360T3/pl unknown
- 2004-03-30 PT PT202030730T patent/PT3798988T/pt unknown
- 2004-03-30 ZA ZA200509227A patent/ZA200509227B/en unknown
- 2004-03-30 DK DK21180366.3T patent/DK3913579T3/da active
- 2004-03-30 ZA ZA200509231A patent/ZA200509231B/en unknown
- 2004-03-30 DK DK04785461.7T patent/DK1627360T3/da active
- 2004-03-30 HU HUE20203073A patent/HUE055529T2/hu unknown
- 2004-03-30 CA CA2875893A patent/CA2875893A1/en not_active Abandoned
- 2004-03-30 AU AU2004240456A patent/AU2004240456B2/en not_active Expired
- 2004-03-30 ES ES21160153T patent/ES2907226T3/es not_active Expired - Lifetime
- 2004-03-30 PT PT211803663T patent/PT3913579T/pt unknown
- 2004-03-30 BR BRPI0410320A patent/BRPI0410320B1/pt active IP Right Grant
- 2004-03-30 EP EP20203073.0A patent/EP3798988B1/en not_active Expired - Lifetime
- 2004-03-30 ES ES21180366T patent/ES2925988T3/es not_active Expired - Lifetime
- 2004-03-30 EP EP04749583.3A patent/EP1627359B1/en not_active Expired - Lifetime
- 2004-03-30 MX MXPA05012294A patent/MXPA05012294A/es active IP Right Grant
- 2004-03-30 CA CA2526016A patent/CA2526016C/en not_active Expired - Lifetime
- 2004-03-30 PL PL21160153T patent/PL3862973T3/pl unknown
- 2004-03-30 MX MXPA05012295A patent/MXPA05012295A/es active IP Right Grant
- 2004-03-30 KR KR1020057021613A patent/KR101017260B1/ko active IP Right Grant
- 2004-03-30 ES ES04785461T patent/ES2697523T3/es not_active Expired - Lifetime
- 2004-03-30 WO PCT/US2004/009491 patent/WO2004104931A1/en active Application Filing
- 2004-03-30 SI SI200432517T patent/SI3862973T1/sl unknown
- 2004-03-30 PT PT181982463T patent/PT3457359T/pt unknown
- 2004-03-30 HU HUE21180366A patent/HUE059614T2/hu unknown
- 2004-03-30 CN CNB2004800131888A patent/CN100371955C/zh not_active Expired - Lifetime
- 2004-03-30 AU AU2004241535A patent/AU2004241535B2/en not_active Expired
- 2004-03-30 PT PT201545357T patent/PT3678097T/pt unknown
- 2004-03-30 EP EP21180366.3A patent/EP3913579B1/en not_active Expired - Lifetime
- 2004-03-30 SI SI200432453T patent/SI1627360T1/sl unknown
- 2004-03-30 HU HUE21160153A patent/HUE057558T2/hu unknown
- 2004-03-30 CN CNA2008101460219A patent/CN101350891A/zh active Pending
- 2004-03-30 CA CA2525937A patent/CA2525937C/en not_active Expired - Lifetime
- 2004-03-30 EP EP18198246.3A patent/EP3457359B1/en not_active Expired - Lifetime
- 2004-03-30 DK DK21160153.9T patent/DK3862973T3/da active
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