WO1992005509A1 - Extending dynamic range of stored image data base - Google Patents
Extending dynamic range of stored image data base Download PDFInfo
- Publication number
- WO1992005509A1 WO1992005509A1 PCT/US1991/006464 US9106464W WO9205509A1 WO 1992005509 A1 WO1992005509 A1 WO 1992005509A1 US 9106464 W US9106464 W US 9106464W WO 9205509 A1 WO9205509 A1 WO 9205509A1
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- WO
- WIPO (PCT)
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 12
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000013519 translation Methods 0.000 description 4
- 230000014616 translation Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Classifications
-
- G06T5/92—
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91918585A EP0506921B1 (en) | 1990-09-14 | 1991-09-11 | Extending dynamic range of stored image data base |
DE69130526T DE69130526T2 (en) | 1990-09-14 | 1991-09-11 | EXPANSION OF THE DYNAMIC AREA OF AN IMAGE DATABASE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US582,306 | 1990-09-14 | ||
US07/582,306 US5224178A (en) | 1990-09-14 | 1990-09-14 | Extending dynamic range of stored image database |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992005509A1 true WO1992005509A1 (en) | 1992-04-02 |
Family
ID=24328633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1991/006464 WO1992005509A1 (en) | 1990-09-14 | 1991-09-11 | Extending dynamic range of stored image data base |
Country Status (6)
Country | Link |
---|---|
US (1) | US5224178A (en) |
EP (1) | EP0506921B1 (en) |
JP (1) | JP3105539B2 (en) |
CA (1) | CA2067100C (en) |
DE (1) | DE69130526T2 (en) |
WO (1) | WO1992005509A1 (en) |
Cited By (3)
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---|---|---|---|---|
GB2305802A (en) * | 1995-09-28 | 1997-04-16 | Samsung Display Devices Co Ltd | Displaying grey scales on an image display unit |
EP0810551A1 (en) * | 1996-05-30 | 1997-12-03 | Agfa-Gevaert N.V. | Detection of and correction for specular reflections in digital image acquisition |
US6061091A (en) * | 1996-05-30 | 2000-05-09 | Agfa Gevaert N.V. | Detection of and correction for specular reflections in digital image acquisition |
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JP3237103B2 (en) * | 1992-05-25 | 2001-12-10 | 船井電機株式会社 | Playback method of photo data |
WO1994006247A1 (en) * | 1992-09-08 | 1994-03-17 | Paul Howard Mayeaux | Machine vision camera and video preprocessing system |
GB2277220B (en) * | 1993-04-14 | 1997-11-05 | Quantel Ltd | An apparatus for and method of image processing |
US5651078A (en) * | 1994-07-18 | 1997-07-22 | Thomson Consumer Electronics, Inc. | Method and apparatus for reducing contouring in video compression |
DE4433440A1 (en) * | 1994-09-20 | 1996-03-21 | Microbox Dr Welp Gmbh & Co | Method for generating a two-dimensional image matrix of pixels and film card scanner for carrying out this method |
US5726771A (en) * | 1994-10-31 | 1998-03-10 | Hewlett-Packard Company | System and method for optimizing tonal resolution in an optical scanner |
DE9419287U1 (en) * | 1994-12-02 | 1995-03-16 | Symicron Gmbh Software Enginee | Device for digitizing images present on a section of a film strip |
US5694481A (en) * | 1995-04-12 | 1997-12-02 | Semiconductor Insights Inc. | Automated design analysis system for generating circuit schematics from high magnification images of an integrated circuit |
US5883973A (en) * | 1996-02-20 | 1999-03-16 | Seiko Epson Corporation | Method and apparatus for processing a document by segmentation into text and image areas |
US5757975A (en) * | 1996-11-21 | 1998-05-26 | Xerox Corporation | Artifact reduction for large dynamic range input data in JPEG compression |
US7158670B1 (en) | 1999-05-21 | 2007-01-02 | Microsoft Corporation | Visually error-free color image representation |
US6748107B1 (en) * | 1999-08-05 | 2004-06-08 | Microsoft Corporation | Implementation and uses of XsRGB |
US6741753B1 (en) * | 2000-09-05 | 2004-05-25 | Hewlett-Packard Development Company, L.P. | Method and system of local color correction using background liminance masking |
US7064740B2 (en) * | 2001-11-09 | 2006-06-20 | Sharp Laboratories Of America, Inc. | Backlit display with improved dynamic range |
US7623105B2 (en) * | 2003-11-21 | 2009-11-24 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive color |
US7505018B2 (en) * | 2004-05-04 | 2009-03-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with reduced black level insertion |
US7777714B2 (en) | 2004-05-04 | 2010-08-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive width |
US7872631B2 (en) | 2004-05-04 | 2011-01-18 | Sharp Laboratories Of America, Inc. | Liquid crystal display with temporal black point |
US7532192B2 (en) | 2004-05-04 | 2009-05-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with filtered black point |
US7612757B2 (en) | 2004-05-04 | 2009-11-03 | Sharp Laboratories Of America, Inc. | Liquid crystal display with modulated black point |
US7602369B2 (en) * | 2004-05-04 | 2009-10-13 | Sharp Laboratories Of America, Inc. | Liquid crystal display with colored backlight |
US8395577B2 (en) | 2004-05-04 | 2013-03-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with illumination control |
JP4412720B2 (en) * | 2004-06-24 | 2010-02-10 | キヤノン株式会社 | Video processing method and apparatus |
US7898519B2 (en) | 2005-02-17 | 2011-03-01 | Sharp Laboratories Of America, Inc. | Method for overdriving a backlit display |
US7525528B2 (en) | 2004-11-16 | 2009-04-28 | Sharp Laboratories Of America, Inc. | Technique that preserves specular highlights |
US8050512B2 (en) * | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US8050511B2 (en) * | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US7473745B2 (en) * | 2005-09-02 | 2009-01-06 | Equistar Chemicals, Lp | Preparation of multimodal polyethylene |
US8121401B2 (en) | 2006-01-24 | 2012-02-21 | Sharp Labortories of America, Inc. | Method for reducing enhancement of artifacts and noise in image color enhancement |
US9143657B2 (en) | 2006-01-24 | 2015-09-22 | Sharp Laboratories Of America, Inc. | Color enhancement technique using skin color detection |
US8941580B2 (en) | 2006-11-30 | 2015-01-27 | Sharp Laboratories Of America, Inc. | Liquid crystal display with area adaptive backlight |
TW200830861A (en) * | 2007-01-11 | 2008-07-16 | Ind Tech Res Inst | Method for calibrating a response curve of a camera |
EP3319013A1 (en) | 2016-11-03 | 2018-05-09 | Thomson Licensing | Method and device for estimating cast shadow regions and/or highlight regions in images |
CN110501339B (en) * | 2019-08-13 | 2022-03-29 | 江苏大学 | Cloth cover positioning method in complex environment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2546352A1 (en) * | 1983-05-20 | 1984-11-23 | Thomson Csf | Method and device for processing a digitised image and their implementation in a mapping radar |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5687044A (en) * | 1979-12-17 | 1981-07-15 | Dainippon Screen Mfg Co Ltd | Method of determining adjusting items in image scanning recorder |
JPS56102853A (en) * | 1980-01-21 | 1981-08-17 | Dainippon Screen Mfg Co Ltd | Metho for pretreating image signal of image copying apparatus |
US4472736A (en) * | 1980-03-11 | 1984-09-18 | Dainippon Ink And Chemicals Incorporated | Lithographic reproduction original classification and color separation tone curve adjustment |
JPS56128947A (en) * | 1980-03-13 | 1981-10-08 | Dainippon Screen Mfg Co Ltd | Method of setting highlight and shadow point density value of original picture to picture scanning recorder |
US4384336A (en) * | 1980-08-29 | 1983-05-17 | Polaroid Corporation | Method and apparatus for lightness imaging |
US4491961A (en) * | 1982-02-12 | 1985-01-01 | Burroughs Corporation | Pixel correction logic circuit |
JPS60230767A (en) * | 1984-04-28 | 1985-11-16 | Toshiba Corp | Binarizing system of picture signal |
JPS6187471A (en) * | 1984-09-17 | 1986-05-02 | Canon Inc | Picture processing system |
US4731662A (en) * | 1985-03-21 | 1988-03-15 | Canon Kabushiki Kaisha | Image processing method for processing an image signal differently depending on the range of an image characteristic thereof relative to the range within which an output device can reproduce the image characteristic |
US4758885A (en) * | 1985-06-17 | 1988-07-19 | Canon Kabushiki Kaisha | Method of processing color image |
US4953227A (en) * | 1986-01-31 | 1990-08-28 | Canon Kabushiki Kaisha | Image mosaic-processing method and apparatus |
JPH0671300B2 (en) * | 1987-03-20 | 1994-09-07 | 富士写真フイルム株式会社 | Radiation image information reading processing condition determination device |
US4845761A (en) * | 1987-04-17 | 1989-07-04 | Recognition Equipment Incorporated | Letter mail address block locator system |
US4903310A (en) * | 1987-04-20 | 1990-02-20 | Fuji Photo Film Co. Ltd. | Method of automatically determining imaged body posture in medical image display |
JPH088695B2 (en) * | 1988-06-20 | 1996-01-29 | 富士写真フイルム株式会社 | Hard copy simulator |
-
1990
- 1990-09-14 US US07/582,306 patent/US5224178A/en not_active Expired - Lifetime
-
1991
- 1991-09-11 CA CA002067100A patent/CA2067100C/en not_active Expired - Lifetime
- 1991-09-11 JP JP03517853A patent/JP3105539B2/en not_active Expired - Lifetime
- 1991-09-11 DE DE69130526T patent/DE69130526T2/en not_active Expired - Lifetime
- 1991-09-11 WO PCT/US1991/006464 patent/WO1992005509A1/en active IP Right Grant
- 1991-09-11 EP EP91918585A patent/EP0506921B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2546352A1 (en) * | 1983-05-20 | 1984-11-23 | Thomson Csf | Method and device for processing a digitised image and their implementation in a mapping radar |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 12, no. 449 (E-686)(3269) 25 November 1988 & JP,A,63 177 679 ( MATSUSHITA ELECTRIC ) 21 July 1988 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2305802A (en) * | 1995-09-28 | 1997-04-16 | Samsung Display Devices Co Ltd | Displaying grey scales on an image display unit |
US5917471A (en) * | 1995-09-28 | 1999-06-29 | Samsung Display Devices, Co., Ltd. | Method for displaying gray scales of image display unit |
GB2305802B (en) * | 1995-09-28 | 2000-03-08 | Samsung Display Devices Co Ltd | Method for displaying gray scales of image display unit |
CN1107237C (en) * | 1995-09-28 | 2003-04-30 | 三星电管株式会社 | Method for displaying gray scales of image display unit |
EP0810551A1 (en) * | 1996-05-30 | 1997-12-03 | Agfa-Gevaert N.V. | Detection of and correction for specular reflections in digital image acquisition |
US6061091A (en) * | 1996-05-30 | 2000-05-09 | Agfa Gevaert N.V. | Detection of and correction for specular reflections in digital image acquisition |
Also Published As
Publication number | Publication date |
---|---|
JPH05502748A (en) | 1993-05-13 |
CA2067100A1 (en) | 1992-03-15 |
DE69130526T2 (en) | 1999-06-10 |
EP0506921A1 (en) | 1992-10-07 |
US5224178A (en) | 1993-06-29 |
CA2067100C (en) | 1998-08-11 |
DE69130526D1 (en) | 1999-01-07 |
JP3105539B2 (en) | 2000-11-06 |
EP0506921B1 (en) | 1998-11-25 |
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