Inventor · disambiguated record
Gerhard Robert Thompson
Also filed as: THOMPSON GERHARD R · THOMPSON GERHARD ROBERT
36 granted patents·5 pending applications·717 citations·filing 1976–2007
98Inventor score
Top patents by PatentIndex Score
41 records- 0195US6801220B2Method and apparatus for adjusting subpixel intensity values based upon luminance characteristics of the subpixels for improved viewing angle characteristics of liquid crystal displaysIBM·Filed 2001·Granted Oct 5, 2004·128 cites·28 claims
- 0293US4654721ASystem for reproducing multi-level digital images on a bi-level printer of fixed dot sizeIBM·Filed 1985·Granted Mar 31, 1987·108 cites·5 claims
- 0386US6947178B2De-screening halftones using sigma filtersIBM·Filed 2001·Granted Sep 20, 2005·44 cites·9 claims
- 0478US5053887ATechnique for producing a fine grained dithered halftone image having an increased number of gray levelsIBM·Filed 1989·Granted Oct 1, 1991·33 cites·14 claims
- 0577US6992789B2Method, system, and program for managing a multi-page documentIBM·Filed 2001·Granted Jan 31, 2006·15 cites·45 claims
- 0676US6956670B1Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI)IBM·Filed 2000·Granted Oct 18, 2005·15 cites·50 claims
- 0773US7733533B2Generating threshold values in a dither matrixINFOPRINT SOLUTIONS CO LLC·Filed 2006·Granted Jun 8, 2010·3 cites·20 claims
- 0873US7599097B2Method and system for designing multilevel halftone screens using spot functionsINFOPRINT SOLUTIONS CO LLC·Filed 2005·Granted Oct 6, 2009·3 cites·20 claims
- 0973US5917951AClustered aperiodic maskIBM·Filed 1997·Granted Jun 29, 1999·43 cites·9 claims
- 1071US6208753B1Quality of digitized images through post-scanning reregistration of their color planesIBM·Filed 1998·Granted Mar 27, 2001·40 cites·15 claims
- 1170US7400430B2Detecting and compensating for color misregistration produced by a color scannerINFOPRINT SOLUTIONS CO LLC·Filed 2003·Granted Jul 15, 2008·9 cites·16 claims
- 1269US7545537B2Bandless halftone design for multiple beam printers employing non-orthogonal halftonesINFOPRINT SOLUTIONS CO LLC·Filed 2005·Granted Jun 9, 2009·2 cites·20 claims
- 1369US6870643B2Method and system for error diffusion with a plurality of error measuresIBM·Filed 2001·Granted Mar 22, 2005·12 cites·44 claims
- 1467US6721448B2Color clustering and segmentation using sigma filteringIBM·Filed 2001·Granted Apr 13, 2004·25 cites·7 claims
- 1563US7446904B2Methods and apparatus for generating dither mask through interpolation between preferred patternsINFOPRINT SOLUTIONS CO LLC·Filed 2004·Granted Nov 4, 2008·5 cites·30 claims
- 1661US4095283AFirst in-first out memory array containing special bits for replacement addressingIBM·Filed 1976·Granted Jun 13, 1978·20 cites·9 claims
- 1760US7310168B2Method and apparatus for controlling a spot function for digital halftoningINFOPRINT SOLUTIONS CO LLC·Filed 2001·Granted Dec 18, 2007·8 cites·12 claims
- 1860US6922196B1Priority-driven ditherIBM·Filed 2000·Granted Jul 26, 2005·4 cites·6 claims
- 1959US6633411B1Method and apparatus for repurposing binary imagesIBM·Filed 1998·Granted Oct 14, 2003·21 cites·21 claims
- 2059US6172769B1Printer dependent descreening methodIBM·Filed 1998·Granted Jan 9, 2001·22 cites·5 claims
- 2158US7333244B2Method and system for embedding an image into two other imagesIBM·Filed 2004·Granted Feb 19, 2008·2 cites·12 claims
- 2257US6515770B1Dither mask generation with calibration-independent number of threshold levelsIBM·Filed 1999·Granted Feb 4, 2003·20 cites·23 claims
- 2355US7489419B2Method and system for specifying halftone spot shapesINFOPRINT SOLUTIONS CO LLC·Filed 2004·Granted Feb 10, 2009·2 cites·36 claims
- 2455US6782126B2Method for combining feature distance with spatial distance for segmentationIBM·Filed 2001·Granted Aug 24, 2004·12 cites·3 claims
- 2555US6025930AMulticell clustered mask with blue noise adjustmentsIBM·Filed 1997·Granted Feb 15, 2000·17 cites·15 claims
- 2655US2008279417A1Method and system for embedding an image into two other imagesIBM·Filed 2007·Application pending·0 cites
- 2754US5943477AMicrolocal calibration of digital printersIBM·Filed 1998·Granted Aug 24, 1999·17 cites·8 claims
- 2852US6088123ADithering masks with very large periodsIBM·Filed 1997·Granted Jul 11, 2000·20 cites·13 claims
- 2951US7616347B2System and method for multi-bit halftoningIBM·Filed 2005·Granted Nov 10, 2009·0 cites·31 claims
- 3049US6597813B1Masks with modulated clustering and aperiodicity and rescaling of masksIBM·Filed 1999·Granted Jul 22, 2003·12 cites·22 claims
- 3149US6055065APrinter independent halftone image renderingIBM·Filed 1998·Granted Apr 25, 2000·13 cites·10 claims
- 3248US2006082843A1Method and system for calibration and characterization of joint nonlinear and linear transformations for a color input or output deviceIBM·Filed 2004·Application pending·0 cites
- 3346US7593600B2Black white image scaling for optical character recognitionIBM·Filed 2004·Granted Sep 22, 2009·3 cites·19 claims
- 3446US4435782AData processing system with high density arithmetic and logic unitIBM·Filed 1981·Granted Mar 6, 1984·15 cites·6 claims
- 3546US2004233477A1Digital halftoningIBM·Filed 2003·Application pending·0 cites
- 3645US2004218220A1Enhanced error diffusionIBM·Filed 2003·Application pending·0 cites
- 3745US2007165284A1System and method for content based color scanning optimized enhancement using a localized approachIBM·Filed 2006·Application pending·0 cites
- 3843US6687023B1Data processing system and method for producing shifted-element halftone screensIBM·Filed 2000·Granted Feb 3, 2004·0 cites·18 claims
- 3943US6208431B1Method of eliminating artifacts in display devicesIBM·Filed 1998·Granted Mar 27, 2001·8 cites·18 claims
- 4042US6738162B1Digital printer for avoiding moire patterns by using a dithering mask and angular rotation between print head and print medium to simulate analog printer halftoning of color imagesIBM·Filed 1999·Granted May 18, 2004·8 cites·30 claims
- 4142US6714318B1Dithering method and apparatus for multitone printersIBM·Filed 1999·Granted Mar 30, 2004·8 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →