FR2670593B1 - Procede permettant de realiser la conversion entre deux espaces de couleurs dans un microprocesseur de 32 bits. - Google Patents
Procede permettant de realiser la conversion entre deux espaces de couleurs dans un microprocesseur de 32 bits.Info
- Publication number
- FR2670593B1 FR2670593B1 FR9115459A FR9115459A FR2670593B1 FR 2670593 B1 FR2670593 B1 FR 2670593B1 FR 9115459 A FR9115459 A FR 9115459A FR 9115459 A FR9115459 A FR 9115459A FR 2670593 B1 FR2670593 B1 FR 2670593B1
- Authority
- FR
- France
- Prior art keywords
- conducting
- color spaces
- bit microprocessor
- microprocessor
- bit
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/67—Circuits for processing colour signals for matrixing
-
- 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
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6016—Conversion to subtractive colour signals
- H04N1/6019—Conversion to subtractive colour signals using look-up tables
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Complex Calculations (AREA)
- Enzymes And Modification Thereof (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Materials For Photolithography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/628,904 US5218647A (en) | 1990-12-12 | 1990-12-12 | Method to convert between 2 color space on a 32 bit μ-processor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2670593A1 FR2670593A1 (fr) | 1992-06-19 |
FR2670593B1 true FR2670593B1 (fr) | 1993-10-15 |
Family
ID=24520800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9115459A Expired - Fee Related FR2670593B1 (fr) | 1990-12-12 | 1991-12-12 | Procede permettant de realiser la conversion entre deux espaces de couleurs dans un microprocesseur de 32 bits. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5218647A (fr) |
JP (1) | JP2901213B2 (fr) |
DE (1) | DE4141024C2 (fr) |
FR (1) | FR2670593B1 (fr) |
GB (1) | GB2253320B (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5438436A (en) * | 1989-05-02 | 1995-08-01 | Harris; Scott C. | Facsimile machine apparatus |
AU1996292A (en) * | 1991-05-17 | 1992-12-30 | Analytic Sciences Corporation, The | Continuous-tone image compression |
US5625713A (en) * | 1991-08-09 | 1997-04-29 | Ricoh Corporation | Apparatus and method for increasing the throughput of an acoustic or image compression system |
US5319793A (en) * | 1992-10-21 | 1994-06-07 | International Business Machines Corporation | Method and apparatus for improved compression and recording of color video data in a personal computer using a plurality of lookup tables |
JP2891073B2 (ja) * | 1993-11-15 | 1999-05-17 | 日本電気株式会社 | 色信号変換方式 |
US5689592A (en) * | 1993-12-22 | 1997-11-18 | Vivo Software, Inc. | Parallel processing of digital signals in a single arithmetic/logic unit |
DE4444231A1 (de) * | 1994-12-13 | 1996-06-20 | Sican Gmbh | Verfahren und Schaltungsanordnung zur Hin- und Rücktransformation von Bildinformation im YCrCb- und RGB-Format (Colour-Space-Conversion) |
US5973734A (en) | 1997-07-09 | 1999-10-26 | Flashpoint Technology, Inc. | Method and apparatus for correcting aspect ratio in a camera graphical user interface |
FR2774244B1 (fr) * | 1998-01-23 | 2000-02-25 | Inst Nat Rech Inf Automat | Procede de conversion de la representation d'une image video entre deux systemes de codage |
US6201530B1 (en) * | 1998-05-29 | 2001-03-13 | Flashpoint Technology, Inc. | Method and system of optimizing a digital imaging processing chain |
US6308189B1 (en) | 1998-06-03 | 2001-10-23 | International Business Machines Corporation | Apparatus for partial logical shifts and method therefor |
US6317141B1 (en) | 1998-12-31 | 2001-11-13 | Flashpoint Technology, Inc. | Method and apparatus for editing heterogeneous media objects in a digital imaging device |
JP3729252B2 (ja) | 2001-03-26 | 2005-12-21 | セイコーエプソン株式会社 | 画像処理システム、プログラムおよび情報記憶媒体 |
US7352893B2 (en) | 2003-07-09 | 2008-04-01 | Hewlett-Packard Development Company, L.P. | Representing extended color gamut information |
US9224145B1 (en) | 2006-08-30 | 2015-12-29 | Qurio Holdings, Inc. | Venue based digital rights using capture device with digital watermarking capability |
US7639263B2 (en) * | 2007-01-26 | 2009-12-29 | Microsoft Corporation | Fast filtered YUV to RGB conversion |
US10855886B2 (en) * | 2018-02-20 | 2020-12-01 | Filmic Inc. | Cubiform method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0143533B1 (fr) * | 1983-09-29 | 1993-04-07 | Matsushita Electric Industrial Co., Ltd. | Méthode et appareil d'expansion et/ou contraction de données d'image |
EP0228028A1 (fr) * | 1985-12-20 | 1987-07-08 | Siemens Aktiengesellschaft | Dispositif de circuit pour le codage par transformation |
JPS63151263A (ja) * | 1986-12-16 | 1988-06-23 | Victor Co Of Japan Ltd | 感熱記録装置の色補正回路 |
US4998286A (en) * | 1987-02-13 | 1991-03-05 | Olympus Optical Co., Ltd. | Correlation operational apparatus for multi-dimensional images |
US4887150A (en) * | 1987-03-16 | 1989-12-12 | Mitsubishi Denki Kabushiki Kaisha | Device for converting video image signals to printing data signals |
US4974071A (en) * | 1987-04-28 | 1990-11-27 | Canon Kabushiki Kaisha | Color image data encoding apparatus having improved resolution/efficiency characteristics |
US4953196A (en) * | 1987-05-13 | 1990-08-28 | Ricoh Company, Ltd. | Image transmission system |
US4951139A (en) * | 1988-03-30 | 1990-08-21 | Starsignal, Inc. | Computer-based video compression system |
JP2880513B2 (ja) * | 1988-09-29 | 1999-04-12 | 大日本印刷株式会社 | 印刷伝送原色変換方法 |
US4951129A (en) * | 1989-01-09 | 1990-08-21 | Dubner Computer Systems, Inc. | Digital prefiltering of encoded video signals |
US5128748A (en) * | 1989-02-15 | 1992-07-07 | Hitachi, Ltd. | Image processing system and apparatus for processing color documents |
-
1990
- 1990-12-12 US US07/628,904 patent/US5218647A/en not_active Expired - Lifetime
-
1991
- 1991-12-12 JP JP3351649A patent/JP2901213B2/ja not_active Expired - Fee Related
- 1991-12-12 DE DE4141024A patent/DE4141024C2/de not_active Expired - Fee Related
- 1991-12-12 FR FR9115459A patent/FR2670593B1/fr not_active Expired - Fee Related
- 1991-12-12 GB GB9126403A patent/GB2253320B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4141024C2 (de) | 1996-07-18 |
GB2253320A (en) | 1992-09-02 |
JPH04288684A (ja) | 1992-10-13 |
JP2901213B2 (ja) | 1999-06-07 |
GB9126403D0 (en) | 1992-02-12 |
FR2670593A1 (fr) | 1992-06-19 |
US5218647A (en) | 1993-06-08 |
DE4141024A1 (de) | 1992-07-16 |
GB2253320B (en) | 1995-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |