DE69601708D1 - Vorrichtung und verfahren zur farbwiedergewinnung unter anwendung der diskreten cosinustransformation - Google Patents
Vorrichtung und verfahren zur farbwiedergewinnung unter anwendung der diskreten cosinustransformationInfo
- Publication number
- DE69601708D1 DE69601708D1 DE69601708T DE69601708T DE69601708D1 DE 69601708 D1 DE69601708 D1 DE 69601708D1 DE 69601708 T DE69601708 T DE 69601708T DE 69601708 T DE69601708 T DE 69601708T DE 69601708 D1 DE69601708 D1 DE 69601708D1
- Authority
- DE
- Germany
- Prior art keywords
- discrete cosine
- color recovery
- cosine transfer
- transfer
- recovery
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
Classifications
-
- 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
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4084—Scaling of whole images or parts thereof, e.g. expanding or contracting in the transform domain, e.g. fast Fourier transform [FFT] domain scaling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
-
- 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
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4015—Image demosaicing, e.g. colour filter arrays [CFA] or Bayer patterns
-
- 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
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/10—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
- H04N19/18—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 a set of transform coefficients
-
- 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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2209/00—Details of colour television systems
- H04N2209/04—Picture signal generators
- H04N2209/041—Picture signal generators using solid-state devices
- H04N2209/042—Picture signal generators using solid-state devices having a single pick-up sensor
- H04N2209/045—Picture signal generators using solid-state devices having a single pick-up sensor using mosaic colour filter
- H04N2209/046—Colour interpolation to calculate the missing colour values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2209/00—Details of colour television systems
- H04N2209/04—Picture signal generators
- H04N2209/041—Picture signal generators using solid-state devices
- H04N2209/048—Picture signal generators using solid-state devices having several pick-up sensors
- H04N2209/049—Picture signal generators using solid-state devices having several pick-up sensors having three pick-up sensors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Discrete Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/441,000 US5748770A (en) | 1993-11-30 | 1995-05-15 | System and method for color recovery using discrete cosine transforms |
PCT/US1996/001163 WO1996036940A1 (en) | 1995-05-15 | 1996-01-25 | A system and method for color recovery using discrete cosine transforms |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69601708D1 true DE69601708D1 (de) | 1999-04-15 |
DE69601708T2 DE69601708T2 (de) | 1999-07-29 |
Family
ID=23751081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69601708T Expired - Lifetime DE69601708T2 (de) | 1995-05-15 | 1996-01-25 | Vorrichtung und verfahren zur farbwiedergewinnung unter anwendung der diskreten cosinustransformation |
Country Status (6)
Country | Link |
---|---|
US (1) | US5748770A (de) |
EP (1) | EP0826193B1 (de) |
JP (1) | JP4019201B2 (de) |
CA (1) | CA2221243A1 (de) |
DE (1) | DE69601708T2 (de) |
WO (1) | WO1996036940A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19714906A1 (de) * | 1997-04-04 | 1998-10-08 | Coin Inst Fuer Computer Integr | Verfahren zur Verbesserung der Bildauflösung bei Farbbildwiedergabegeräten |
US6400680B1 (en) * | 1997-12-30 | 2002-06-04 | Koninklijke Philips Electronics N.V. | Data transformation of the inverse-fourier type |
US6650795B1 (en) | 1999-08-10 | 2003-11-18 | Hewlett-Packard Development Company, L.P. | Color image capturing system with antialiazing |
US7053908B2 (en) | 2001-04-12 | 2006-05-30 | Polaroid Corporation | Method and apparatus for sensing and interpolating color image data |
US7694224B2 (en) * | 2001-05-31 | 2010-04-06 | International Business Machines Corporation | Location predicative restoration of compressed images stored on a hard disk drive with soft and hard errors |
US7129962B1 (en) * | 2002-03-25 | 2006-10-31 | Matrox Graphics Inc. | Efficient video processing method and system |
TW588546B (en) * | 2002-10-25 | 2004-05-21 | Veutron Corp | Method for reducing image noise |
US9606634B2 (en) * | 2005-05-18 | 2017-03-28 | Nokia Technologies Oy | Device incorporating improved text input mechanism |
US8437043B2 (en) * | 2007-07-19 | 2013-05-07 | Xerox Corporation | Compression of grayscale image data using multi-bit halftoning |
US8289573B2 (en) * | 2009-01-12 | 2012-10-16 | Xerox Corporation | Method for reducing registration defects in color printing |
US8330990B2 (en) * | 2009-01-12 | 2012-12-11 | Xerox Corporation | Method and system for modifying a multi-bit rasterized digital image to reduce registration artifacts |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4441123A (en) * | 1981-09-30 | 1984-04-03 | Fuji Photo Film Co., Ltd. | Photosensor pattern of solid-state imaging sensors |
US4941185A (en) * | 1985-03-18 | 1990-07-10 | Crosfield Electronics | Image processing |
DE3615342A1 (de) * | 1985-05-08 | 1986-11-13 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Farbbildsensor |
US4663661A (en) * | 1985-05-23 | 1987-05-05 | Eastman Kodak Company | Single sensor color video camera with blurring filter |
US5121445A (en) * | 1986-07-01 | 1992-06-09 | Konica Corporation | Method and apparatus for reading image |
US4888795A (en) * | 1987-06-30 | 1989-12-19 | Nec Corporation | Videotelephone apparatus for transmitting high and low resolution video signals over telephone exchange lines |
US4896029A (en) * | 1988-04-08 | 1990-01-23 | United Parcel Service Of America, Inc. | Polygonal information encoding article, process and system |
US4998010A (en) * | 1988-04-08 | 1991-03-05 | United Parcel Service Of America, Inc. | Polygonal information encoding article, process and system |
JP2751248B2 (ja) * | 1988-10-27 | 1998-05-18 | ソニー株式会社 | 固体撮像装置の信号処理回路 |
US4967264A (en) * | 1989-05-30 | 1990-10-30 | Eastman Kodak Company | Color sequential optical offset image sampling system |
JP2948240B2 (ja) * | 1989-10-09 | 1999-09-13 | 株式会社日立製作所 | 信号補間装置 |
US5079621A (en) * | 1990-06-29 | 1992-01-07 | Eastman Kodak Company | Dct transform compression, transmission and recovery of digital color using virtual filtering mechanism |
US5459823A (en) * | 1990-07-05 | 1995-10-17 | Canon Kabushiki Kaisha | Graphics engine for true colour 2D graphics |
US5172227A (en) * | 1990-12-10 | 1992-12-15 | Eastman Kodak Company | Image compression with color interpolation for a single sensor image system |
US5168375A (en) * | 1991-09-18 | 1992-12-01 | Polaroid Corporation | Image reconstruction by use of discrete cosine and related transforms |
US5533173A (en) * | 1991-10-21 | 1996-07-02 | Polaroid Corporation | Method and apparatus for processing a color map using discrete cosine transforms |
US5245416A (en) * | 1992-01-30 | 1993-09-14 | Florida Atlantic University | Multicolor solid state imager with rotational swing drive |
US5475769A (en) * | 1992-07-13 | 1995-12-12 | Polaroid Corporation | Method and apparatus for recovering image data through the use of a color test pattern |
US5629780A (en) * | 1994-12-19 | 1997-05-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Image data compression having minimum perceptual error |
-
1995
- 1995-05-15 US US08/441,000 patent/US5748770A/en not_active Expired - Lifetime
-
1996
- 1996-01-25 CA CA002221243A patent/CA2221243A1/en not_active Abandoned
- 1996-01-25 JP JP53478996A patent/JP4019201B2/ja not_active Expired - Lifetime
- 1996-01-25 DE DE69601708T patent/DE69601708T2/de not_active Expired - Lifetime
- 1996-01-25 EP EP96906211A patent/EP0826193B1/de not_active Expired - Lifetime
- 1996-01-25 WO PCT/US1996/001163 patent/WO1996036940A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US5748770A (en) | 1998-05-05 |
JPH11505389A (ja) | 1999-05-18 |
EP0826193A1 (de) | 1998-03-04 |
DE69601708T2 (de) | 1999-07-29 |
JP4019201B2 (ja) | 2007-12-12 |
CA2221243A1 (en) | 1996-11-21 |
EP0826193B1 (de) | 1999-03-10 |
WO1996036940A1 (en) | 1996-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: POLAROID CORP., WALTHAM, MASS., US |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SENSHIN CAPITAL, LLC, WILMINGTON, DEL., US |