KR20060135612A - 사전계산된 샘플들의 모자이크에 의한 필름 그레인시뮬레이션 방법 - Google Patents
사전계산된 샘플들의 모자이크에 의한 필름 그레인시뮬레이션 방법 Download PDFInfo
- Publication number
- KR20060135612A KR20060135612A KR1020067005688A KR20067005688A KR20060135612A KR 20060135612 A KR20060135612 A KR 20060135612A KR 1020067005688 A KR1020067005688 A KR 1020067005688A KR 20067005688 A KR20067005688 A KR 20067005688A KR 20060135612 A KR20060135612 A KR 20060135612A
- Authority
- KR
- South Korea
- Prior art keywords
- film grain
- block
- blocks
- image
- input image
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 55
- 238000002156 mixing Methods 0.000 claims description 9
- 230000001131 transforming effect Effects 0.000 claims 2
- 238000004088 simulation Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 11
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000000153 supplemental effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
-
- 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
-
- 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
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
- H04N19/23—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Decoration By Transfer Pictures (AREA)
- Facsimile Image Signal Circuits (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Color Image Communication Systems (AREA)
Abstract
Description
Claims (14)
- 입력 이미지 블록에서 필름 그레인(film grain)을 시뮬레이션하는 방법으로서,(a) 상기 블록에 대한 적어도 하나의 이미지 파라미터의 평균값을 계산하는 단계와,(b) 적어도 하나의 이전에 확립된 필름 그레인 블록들의 풀로부터 이미지 파라미터가 상기 입력 이미지 블록의 이미지 파라미터와 가장 근접하게 정합하는 필름 그레인 블록을 선택하는 단계와,(c) 상기 선택된 필름 그레인 블록을 상기 입력 이미지 블록과 블렌딩하는 단계를 포함하는 방법.
- 제1항에 있어서,상기 입력 이미지 블록과 블렌딩하는 단계 전에 상기 선택된 필름 그레인 블록을 디블록킹(de-blocking)하는 단계를 더 포함하는 방법.
- 제1항에 있어서,상기 이전에 확립된 필름 그레인 블록들은 이미지 강도에 근거하여 상기 적어도 하나의 풀로 구성되는 방법.
- 제1항에 있어서,상기 입력 이미지의 특성에 따라 상기 적어도 하나의 풀을 갱신하는 단계를 더 포함하는 방법.
- 제3항에 있어서,적어도 하나의 상이한 컬러 성분에 대하여 상이한 필름 그레인 블록이 선택되는 방법.
- 제1항에 있어서,상기 블렌딩 단계 전에 상기 선택된 블록을 변환하는 단계를 더 포함하는 방법.
- 제1항에 있어서,다수의 필름 그레인 블록들의 풀들 중에서 필름 그레인 블록을 선택하는 단계를 더 포함하는 방법.
- 입력 이미지에서의 필름 그레인을 시뮬레이션하는 방법- 상기 입력 이미지는 필름 그레인이 적어도 감소되고, 입력 이미지 블록들로 분해됨 -으로서,(a) 입력 이미지 블록들의 세트 중에서 연속하는 블록을 선택하는 단계와,(b) 상기 연속하는 블록에 대한 적어도 하나의 이미지 파라미터의 평균값을 계산하는 단계와,(c) 적어도 하나의 이전에 확립된 필름 그레인 블록들의 풀 중에서 상기 연속하는 블록의 상기 적어도 하나의 이미지 파라미터의 평균값에 가장 근접하게 정합하는 이미지 파라미터를 가지는 필름 그레인 블록을 선택하는 단계와,(d) 상기 이미지 내의 모든 픽셀 블록들에 대하여 상기 (a) 내지 (c) 단계를 반복하는 단계와,(e) 상기 선택된 필름 그레인 블록들을 블렌딩하여 필름 그레인을 가지는 출력 이미지를 생성하는 단계를 포함하는 방법.
- 제8항에 있어서,상기 이전에 확립된 필름 그레인 블록들은 이미지 강도에 근거하여 상기 적어도 하나의 풀로 구성되는 방법.
- 제8항에 있어서,상기 입력 이미지의 특성에 따라 상기 사전확립된 필름 그레인 블록들의 상기 적어도 하나의 풀을 갱신하는 단계를 더 포함하는 방법.
- 제8항에 있어서,적어도 하나의 상이한 컬러 성분에 대하여 상이한 필름 그레인 블록이 선택되는 방법.
- 제7항에 있어서,상기 (c) 내지 (d) 단계를 반복하기 전에 상기 선택된 블록을 변환하는 단계를 더 포함하는 방법.
- 제8항에 있어서,다수의 필름 그레인 블록들의 풀 중에서 필름 그레인 블록을 선택하는 단계를 더 포함하는 방법.
- 제8항에 있어서,상기 (c) 내지 (d) 단계를 반복하기 전에 상기 연속하는 필름 그레인 블록을 디블록킹하는 단계를 더 포함하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50514603P | 2003-09-23 | 2003-09-23 | |
US60/505,146 | 2003-09-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060135612A true KR20060135612A (ko) | 2006-12-29 |
KR100993990B1 KR100993990B1 (ko) | 2010-11-11 |
Family
ID=34421522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067005688A KR100993990B1 (ko) | 2003-09-23 | 2004-09-10 | 사전계산된 샘플들의 모자이크에 의한 필름 그레인시뮬레이션 방법 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7945106B2 (ko) |
EP (1) | EP1676445B1 (ko) |
JP (1) | JP5100121B2 (ko) |
KR (1) | KR100993990B1 (ko) |
CN (1) | CN1857006B (ko) |
AU (1) | AU2004306386B2 (ko) |
BR (1) | BRPI0414641B1 (ko) |
CA (1) | CA2538785C (ko) |
HK (1) | HK1093643A1 (ko) |
RU (1) | RU2340943C2 (ko) |
WO (1) | WO2005034518A1 (ko) |
ZA (1) | ZA200602350B (ko) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
RU2340944C2 (ru) * | 2003-10-14 | 2008-12-10 | Томсон Лайсенсинг | Способ имитации зерна пленки на битовом уровне |
US8150206B2 (en) * | 2004-03-30 | 2012-04-03 | Thomson Licensing | Method and apparatus for representing image granularity by one or more parameters |
JP4696121B2 (ja) | 2004-10-18 | 2011-06-08 | トムソン ライセンシング | フィルム粒子のシミュレーション方法 |
EP1803303B1 (en) * | 2004-10-21 | 2019-12-04 | InterDigital VC Holdings, Inc. | Technique for adaptive de-blocking of block-based film grain patterns |
EP1813118B1 (en) | 2004-11-12 | 2019-12-04 | InterDigital VC Holdings, Inc. | Film grain simulation for normal play and trick mode play for video playback systems |
EP1812904B1 (en) | 2004-11-16 | 2012-04-11 | Thomson Licensing | Film grain simulation method based on pre-computed transform coefficients |
JP4950059B2 (ja) | 2004-11-16 | 2012-06-13 | トムソン ライセンシング | 映像システムにおけるビットアキュレートシミュレーションのためのフィルムグレインseiメッセージ挿入 |
EP1812905B1 (en) * | 2004-11-17 | 2019-07-03 | InterDigital VC Holdings, Inc. | Bit-accurate film grain simulation method based on pre-computed transformed coefficients |
KR101208158B1 (ko) | 2004-11-22 | 2012-12-05 | 톰슨 라이센싱 | 필름 그레인 시뮬레이션을 위한 필름 그레인 캐시 분할방법, 장치 및 시스템 |
JP4829893B2 (ja) | 2004-11-23 | 2011-12-07 | トムソン ライセンシング | 低計算量のフィルム粒子シミュレーション技術 |
CA2587445C (en) * | 2004-11-24 | 2013-06-18 | Thomson Licensing | Film grain simulation technique for use in media playback devices |
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 |
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 |
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 |
CN102884799B (zh) * | 2010-05-11 | 2015-11-25 | 汤姆森许可贸易公司 | 用于3维视频的舒适噪声和胶片颗粒处理 |
CN105376548B (zh) * | 2010-05-11 | 2017-07-07 | 汤姆森许可贸易公司 | 用于3维视频的舒适噪声和胶片颗粒处理 |
JP5693089B2 (ja) * | 2010-08-20 | 2015-04-01 | 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 |
US9614724B2 (en) | 2014-04-21 | 2017-04-04 | Microsoft Technology Licensing, Llc | Session-based device configuration |
US9639742B2 (en) | 2014-04-28 | 2017-05-02 | Microsoft Technology Licensing, Llc | Creation of representative content based on facial analysis |
US9773156B2 (en) | 2014-04-29 | 2017-09-26 | Microsoft Technology Licensing, Llc | Grouping and ranking images based on facial recognition data |
US9430667B2 (en) | 2014-05-12 | 2016-08-30 | Microsoft Technology Licensing, Llc | Managed wireless distribution network |
US10111099B2 (en) | 2014-05-12 | 2018-10-23 | Microsoft Technology Licensing, Llc | Distributing content in managed wireless distribution networks |
US9384334B2 (en) | 2014-05-12 | 2016-07-05 | Microsoft Technology Licensing, Llc | Content discovery in managed wireless distribution networks |
US9384335B2 (en) | 2014-05-12 | 2016-07-05 | Microsoft Technology Licensing, Llc | Content delivery prioritization in managed wireless distribution networks |
US9874914B2 (en) | 2014-05-19 | 2018-01-23 | Microsoft Technology Licensing, Llc | Power management contracts for accessory devices |
US10037202B2 (en) | 2014-06-03 | 2018-07-31 | Microsoft Technology Licensing, Llc | Techniques to isolating a portion of an online computing service |
US9367490B2 (en) | 2014-06-13 | 2016-06-14 | Microsoft Technology Licensing, Llc | Reversible connector for accessory devices |
US9460493B2 (en) | 2014-06-14 | 2016-10-04 | Microsoft Technology Licensing, Llc | Automatic video quality enhancement with temporal smoothing and user override |
US9373179B2 (en) | 2014-06-23 | 2016-06-21 | Microsoft Technology Licensing, Llc | Saliency-preserving distinctive low-footprint photograph aging effect |
US20230050950A1 (en) * | 2019-12-19 | 2023-02-16 | Dolby Laboratories Licensing Corporation | Noise synthesis for digital images |
Family Cites Families (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01156069A (ja) * | 1987-12-14 | 1989-06-19 | Canon Inc | 画像処理装置 |
US4935816A (en) | 1989-06-23 | 1990-06-19 | Robert A. Faber | Method and apparatus for video image film simulation |
JPH0497681A (ja) | 1990-08-16 | 1992-03-30 | Nippon Telegr & Teleph Corp <Ntt> | 映像符号化復号化装置 |
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 |
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 |
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 |
JP3062703B2 (ja) * | 1991-05-27 | 2000-07-12 | コニカ株式会社 | 画像ノイズシミュレーション方法 |
US5335013A (en) | 1992-01-16 | 1994-08-02 | Faber Robert A | Method and apparatus for video camera image film simulation |
US5283164A (en) | 1992-06-19 | 1994-02-01 | Eastman Kodak Company | Color film with closely matched acutance between different color records |
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 |
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 |
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 |
JP3980659B2 (ja) * | 1994-08-31 | 2007-09-26 | ソニー株式会社 | 動画像符号化方法及び装置、動画像復号化方法及び装置。 |
WO1996013006A1 (en) | 1994-10-20 | 1996-05-02 | Mark Alan Zimmer | Digital mark-making method |
PL175571B1 (pl) | 1994-12-06 | 1999-01-29 | Cfb Gmbh | Sposób i urządzenie do przetwarzania standardów obrazowych |
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 |
JPH0962718A (ja) * | 1995-08-23 | 1997-03-07 | Sony Corp | シミュレーション装置およびシミュレーション方法 |
US5641596A (en) | 1995-12-05 | 1997-06-24 | Eastman Kodak Company | Adjusting film grain properties in digital images |
AU713795B2 (en) * | 1996-03-28 | 1999-12-09 | Koninklijke Philips Electronics N.V. | Method and arrangement for encoding and decoding images |
GB2312124B (en) | 1996-04-12 | 1998-05-13 | Discreet Logic Inc | Processing image data |
US5669382A (en) * | 1996-11-19 | 1997-09-23 | General Electric Company | System for measuring myocardium in cardiac images |
US6317216B1 (en) | 1999-12-13 | 2001-11-13 | Brown University Research Foundation | Optical method for the determination of grain orientation in films |
AU2001251386A1 (en) | 2000-04-07 | 2001-10-23 | Demografx | Enhanced temporal and resolution layering in advanced television |
CA2309002A1 (en) | 2000-05-23 | 2001-11-23 | Jonathan Martin Shekter | Digital film grain reduction |
JP2001357095A (ja) * | 2000-06-12 | 2001-12-26 | Fujitsu Ltd | 半導体装置設計支援装置 |
JP2001357090A (ja) | 2000-06-13 | 2001-12-26 | Hitachi Ltd | 論理合成方法及び論理合成装置 |
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 |
US6987586B2 (en) * | 2001-03-02 | 2006-01-17 | Eastman Kodak Company | Method of digital processing for digital cinema projection of tone scale and color |
ATE363183T1 (de) | 2001-08-24 | 2007-06-15 | Koninkl Philips Electronics Nv | Addieren von halbbildern eines bildes |
US20030206662A1 (en) * | 2002-05-03 | 2003-11-06 | Avinash Gopal B. | Method and apparatus for improving perceived digital image quality |
US7065255B2 (en) | 2002-05-06 | 2006-06-20 | Eastman Kodak Company | Method and apparatus for enhancing digital images utilizing non-image data |
US7147749B2 (en) | 2002-09-30 | 2006-12-12 | Tokyo Electron Limited | Method and apparatus for an improved upper electrode plate with deposition shield in a plasma processing system |
WO2004095829A1 (en) * | 2003-04-10 | 2004-11-04 | Thomson Licensing S.A. | Technique for simulating film grain on encoded video |
SI3457359T1 (sl) | 2003-05-15 | 2020-04-30 | Dolby International Ab | Postopek in naprava za predstavitev zrnatosti slike z enim ali več parametri |
JP2005080301A (ja) * | 2003-09-01 | 2005-03-24 | Matsushita Electric Ind Co Ltd | 動画像符号化方法および動画像復号化方法 |
BRPI0414397A (pt) * | 2003-09-17 | 2006-11-21 | Thomson Licensing | geração de imagem de referência adaptativa |
KR101114743B1 (ko) * | 2003-09-23 | 2012-03-13 | 톰슨 라이센싱 | 주파수 필터링을 이용한 필름 그레인 시뮬레이팅을 위한기술 |
US20070047658A1 (en) * | 2003-09-23 | 2007-03-01 | Alexandros Tourapis | Video comfort noise addition technique |
RU2340944C2 (ru) * | 2003-10-14 | 2008-12-10 | Томсон Лайсенсинг | Способ имитации зерна пленки на битовом уровне |
US7680356B2 (en) * | 2003-10-14 | 2010-03-16 | Thomson Licensing | Technique for bit-accurate comfort noise addition |
RU2346330C2 (ru) * | 2003-12-05 | 2009-02-10 | Томсон Лайсенсинг | Методика имитации зернистости пленки с помощью базы данных узоров зернистости пленки |
US8150206B2 (en) * | 2004-03-30 | 2012-04-03 | Thomson Licensing | Method and apparatus for representing image granularity by one or more parameters |
US7593465B2 (en) * | 2004-09-27 | 2009-09-22 | Lsi Corporation | Method for video coding artifacts concealment |
JP4696121B2 (ja) * | 2004-10-18 | 2011-06-08 | トムソン ライセンシング | フィルム粒子のシミュレーション方法 |
CN101044511A (zh) * | 2004-10-18 | 2007-09-26 | 汤姆森特许公司 | 胶片颗粒模拟的方法、装置及系统 |
US7400784B2 (en) * | 2004-10-19 | 2008-07-15 | Institut National De L'audiovisuel-Ina | Search of similar features representing objects in a large reference database |
EP1812904B1 (en) | 2004-11-16 | 2012-04-11 | Thomson Licensing | Film grain simulation method based on pre-computed transform coefficients |
JP4829893B2 (ja) * | 2004-11-23 | 2011-12-07 | トムソン ライセンシング | 低計算量のフィルム粒子シミュレーション技術 |
CA2587445C (en) * | 2004-11-24 | 2013-06-18 | Thomson Licensing | Film grain simulation technique for use in media playback devices |
US7432986B2 (en) * | 2005-02-16 | 2008-10-07 | Lsi Corporation | Method and apparatus for masking of video artifacts and/or insertion of film grain in a video decoder |
JP4097681B1 (ja) | 2007-02-01 | 2008-06-11 | 日本航空電子工業株式会社 | コネクタ |
GB2459875A (en) * | 2008-05-08 | 2009-11-11 | Jones Richard W | A method and apparatus for diverting flowing water from a cylindrical conduit |
-
2004
- 2004-09-10 KR KR1020067005688A patent/KR100993990B1/ko active IP Right Grant
- 2004-09-10 JP JP2006528037A patent/JP5100121B2/ja not_active Expired - Fee Related
- 2004-09-10 CN CN2004800275282A patent/CN1857006B/zh not_active Expired - Fee Related
- 2004-09-10 EP EP04783594.7A patent/EP1676445B1/en not_active Not-in-force
- 2004-09-10 CA CA2538785A patent/CA2538785C/en not_active Expired - Fee Related
- 2004-09-10 US US10/572,820 patent/US7945106B2/en not_active Expired - Fee Related
- 2004-09-10 WO PCT/US2004/029410 patent/WO2005034518A1/en active Application Filing
- 2004-09-10 ZA ZA200602350A patent/ZA200602350B/en unknown
- 2004-09-10 RU RU2006113606/09A patent/RU2340943C2/ru active
- 2004-09-10 AU AU2004306386A patent/AU2004306386B2/en not_active Ceased
- 2004-09-10 BR BRPI0414641A patent/BRPI0414641B1/pt not_active IP Right Cessation
-
2007
- 2007-01-03 HK HK07100068.0A patent/HK1093643A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2340943C2 (ru) | 2008-12-10 |
RU2006113606A (ru) | 2007-11-20 |
AU2004306386B2 (en) | 2009-10-29 |
KR100993990B1 (ko) | 2010-11-11 |
WO2005034518A1 (en) | 2005-04-14 |
CN1857006A (zh) | 2006-11-01 |
US7945106B2 (en) | 2011-05-17 |
CA2538785A1 (en) | 2005-04-14 |
AU2004306386A1 (en) | 2005-04-14 |
BRPI0414641A (pt) | 2006-11-21 |
JP5100121B2 (ja) | 2012-12-19 |
BRPI0414641B1 (pt) | 2019-01-08 |
EP1676445B1 (en) | 2019-09-04 |
CA2538785C (en) | 2013-10-29 |
JP2007521573A (ja) | 2007-08-02 |
CN1857006B (zh) | 2011-06-08 |
HK1093643A1 (en) | 2007-03-02 |
ZA200602350B (en) | 2007-09-26 |
EP1676445A1 (en) | 2006-07-05 |
US20070058878A1 (en) | 2007-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100993990B1 (ko) | 사전계산된 샘플들의 모자이크에 의한 필름 그레인시뮬레이션 방법 | |
JP2007507169A (ja) | ビデオ・コンフォートノイズ付加技術 | |
US7013050B2 (en) | Image encoding apparatus and method, program code, and storage medium | |
US7382923B2 (en) | Method and device for processing and decoding a coded digital signal | |
EP2157796A1 (en) | Statistic image improving method, image encoding method, and image decoding method | |
JP2002325170A (ja) | 画像処理装置及びその方法並びにプログラムコード、記憶媒体 | |
KR101055355B1 (ko) | 비디오 스트림의 아티팩트 감소 방법과 복호화 장치 | |
JP4066367B2 (ja) | 画像ノイズ除去方法 | |
JP2005167399A (ja) | 画像ノイズ除去方法 | |
EP1751982A1 (en) | Method and device for encoding blocks of values | |
US20060222255A1 (en) | Image enhancement device | |
JPH06237386A (ja) | 画像処理装置 | |
KR102098375B1 (ko) | Jpeg 압축 이미지의 해상도 증가 시스템 및 그 방법 | |
JP3730538B2 (ja) | ディザ処理装置 | |
JPH07240845A (ja) | 画像のデータ圧縮および伸張 | |
US8180169B2 (en) | System and method for multi-scale sigma filtering using quadrature mirror filters | |
KR20070100279A (ko) | 링크된 랜덤 생성기들을 갖는 전자 이미지 처리 방법 및장치 | |
JP7358136B2 (ja) | 画像符号化装置、画像符号化方法、及びプログラム、画像復号装置、画像復号方法、及びプログラム | |
JP4083043B2 (ja) | 符号化ノイズ除去装置 | |
CN112511822B (zh) | 基于注意力模型和渐进式网络的图像编码失真滤波方法 | |
MXPA06003283A (en) | Method for simulating film grain by mosaicing pre-computed samples | |
JP2004072293A (ja) | 画像データ処理装置およびその制御方法 | |
JP2009188632A (ja) | 画像処理装置、画像処理システム、画像処理方法および画像処理プログラム | |
JPH10145790A (ja) | 画像形成装置および画像形成方法 | |
JP2005286710A (ja) | 画像処理装置および画像処理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20131018 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20141023 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20151016 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20161019 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20171018 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20181031 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20191023 Year of fee payment: 10 |