FR2739953B1 - Procede et appareil de transformation de donnees d'image - Google Patents
Procede et appareil de transformation de donnees d'imageInfo
- Publication number
- FR2739953B1 FR2739953B1 FR9607669A FR9607669A FR2739953B1 FR 2739953 B1 FR2739953 B1 FR 2739953B1 FR 9607669 A FR9607669 A FR 9607669A FR 9607669 A FR9607669 A FR 9607669A FR 2739953 B1 FR2739953 B1 FR 2739953B1
- Authority
- FR
- France
- Prior art keywords
- image data
- transforming image
- transforming
- data
- image
- 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
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
-
- 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
- H04N1/41—Bandwidth or redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/540,632 US5907665A (en) | 1995-10-11 | 1995-10-11 | Method and apparatus for transforming image data |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2739953A1 FR2739953A1 (fr) | 1997-04-18 |
FR2739953B1 true FR2739953B1 (fr) | 2000-08-11 |
Family
ID=24156297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9607669A Expired - Fee Related FR2739953B1 (fr) | 1995-10-11 | 1996-06-20 | Procede et appareil de transformation de donnees d'image |
Country Status (4)
Country | Link |
---|---|
US (1) | US5907665A (fr) |
DE (1) | DE19631390C2 (fr) |
FR (1) | FR2739953B1 (fr) |
GB (1) | GB2306264B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0185136B1 (ko) * | 1996-02-21 | 1999-04-15 | 김광호 | Vcr의 화상 선명도 확대장치 |
US6751780B1 (en) * | 1998-10-01 | 2004-06-15 | Hewlett-Packard Development Company, L.P. | User interface for initiating the export of an optimized scanned document using drag and drop |
US7266761B2 (en) * | 1999-06-15 | 2007-09-04 | Microsoft Corporation | Special API interface for interfacing an application with a TWAIN module, negotiating and presenting a user interface for inserting an image into a document |
US6415079B1 (en) | 2000-03-03 | 2002-07-02 | Fitel Usa Corp. | Optical fiber gratings having internal gap cladding for reduced short wavelength cladding mode loss |
US6690251B2 (en) * | 2001-04-11 | 2004-02-10 | Kyocera Wireless Corporation | Tunable ferro-electric filter |
US7050650B2 (en) * | 2002-02-28 | 2006-05-23 | Hewlett-Packard Development Company, L.P. | User selected background noise removal for scanned document images |
US6983081B2 (en) * | 2002-08-23 | 2006-01-03 | Ulead Systems, Inc. | Method for integration of source object into base image |
US7348991B1 (en) * | 2003-04-16 | 2008-03-25 | Silicon Image, Inc. | Video/graphics text mode enhancement method for digitally processed data |
US10853709B1 (en) | 2019-12-18 | 2020-12-01 | Ricoh Company, Ltd. | Image filtering for improved lossless compression |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3723649A (en) * | 1971-04-27 | 1973-03-27 | Electronic Image Syst Corp | Adaptive binary state decision system |
US4590606A (en) * | 1982-12-13 | 1986-05-20 | International Business Machines Corporation | Multi-function image processing system |
US4723173A (en) * | 1984-05-31 | 1988-02-02 | Canon Kabushiki Kaisha | Image processing apparatus |
US4593325A (en) * | 1984-08-20 | 1986-06-03 | The Mead Corporation | Adaptive threshold document duplication |
FR2604582B1 (fr) * | 1986-09-30 | 1989-01-06 | Bertin & Cie | Procede pour transformer une image initiale de type video a multiples niveaux de gris en une image binaire |
US5339368A (en) * | 1991-11-21 | 1994-08-16 | Unisys Corporation | Document image compression system and method |
US5642204A (en) * | 1992-12-02 | 1997-06-24 | Industrial Technology Research Institute | Error diffusion method |
-
1995
- 1995-10-11 US US08/540,632 patent/US5907665A/en not_active Expired - Fee Related
-
1996
- 1996-06-20 FR FR9607669A patent/FR2739953B1/fr not_active Expired - Fee Related
- 1996-08-02 DE DE19631390A patent/DE19631390C2/de not_active Expired - Fee Related
- 1996-08-20 GB GB9617480A patent/GB2306264B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9617480D0 (en) | 1996-10-02 |
GB2306264A (en) | 1997-04-30 |
US5907665A (en) | 1999-05-25 |
DE19631390C2 (de) | 2000-04-27 |
FR2739953A1 (fr) | 1997-04-18 |
GB2306264B (en) | 2000-03-22 |
DE19631390A1 (de) | 1997-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20070228 |