Robert Ulichney
81Patents
12h-index
37Co-inventors
84Inventor score
Filing activity: Oct 10, 1989 → Mar 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7046401B2 | Camera-based document scanning system using multiple-pass mosaicking | Electricity | 111 | Expired |
| US7018050B2 | System and method for correcting luminance non-uniformity of obliquely projected images | Electricity | 94 | Expired |
| US5233684A | Method and apparatus for mapping a digital color image from a first color space to a second color space | Electricity | 91 | Expired |
| US7155058B2 | System and method for automatically detecting and correcting red eye | Electricity | 84 | Expired |
| US5535020A | Void and cluster apparatus and method for generating dither templates | Electricity | 57 | Expired |
| US4955065A | System for producing dithered images from continuous-tone image data | Electricity | 56 | Expired |
| US6921172B2 | System and method for increasing projector amplitude resolution and correcting luminance non-uniformity | Electricity | 29 | Expired |
| US5602941A | Input modification system for multilevel dithering | Electricity | 26 | Expired |
| US6172773A | Void and cluster apparatus and method for generating dither templates | Electricity | 18 | Expired |
| US5912745A | Void and cluster apparatus and method for generating dither templates | Electricity | 14 | Expired |
| US5333262A | Imaging system with multilevel dithering using two memories | Electricity | 13 | Expired |
| US5333260A | Imaging system with multilevel dithering using bit shifter | Electricity | 12 | Expired |
| US6038576A | Bit-depth increase by bit replication | Physics | 11 | Expired |
| US5508822A | Imaging system with multilevel dithering using single memory | Electricity | 9 | Expired |
| US6163629A | Method for low complexity low memory inverse dithering | Electricity | 9 | Expired |
| US6817721B1 | System and method for correcting projector non-uniformity | Electricity | 9 | Expired |
| US6473525B1 | Method for detecting an image edge within a dithered image | Physics | 8 | Expired |
| US6690389B2 | Tone modifying dithering system | Electricity | 8 | Expired |
| US6487308B1 | Method and apparatus for providing 64-bit YUV to RGB color conversion | Electricity | 8 | Expired |
| US6185334A | Method for reconstructing a dithered image | Physics | 7 | Expired |
| US7830418B2 | Perceptually-derived red-eye correction | Electricity | 7 | Active |
| US6347160B1 | Increasing the bit depth of and filtering dithered images for the purpose of inverse dithering | Physics | 7 | Expired |
| US5920322A | Method and apparatus for providing 32-bit YUV to RGB color conversion | Electricity | 7 | Expired |
| US5745259A | Void and cluster apparatus and method for generating dither templates | Electricity | 6 | Expired |
| US5543936A | Image adjustment system for translating raw input levels to adjusted input levels | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.