Issued Patents All Time
Showing 151–175 of 202 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381037 | Dynamic creation of color test patterns for improved color calibration | Thyagarajan Balasubramanian, Paul G. Roetling | 2002-04-30 |
| 6342951 | Gamut mapping algorithm using inverted gamma function | Karen M. Braun, Thyagarajan Balasubramanian, William A. Fuss | 2002-01-29 |
| 6334001 | Iterative smoothing technique for pre-processing mixed raster content planes to improve the quality of a decompressed image and increase document compression ratios | Ricardo L. de Queiroz, William A. Fuss, Robert R. Buckley | 2001-12-25 |
| 6298151 | Method and apparatus for automatic image segmentation using template matching filters | Ronald E. Jodoin, Robert P. Loce | 2001-10-02 |
| 6285462 | Intelligent GCR/UCR process to reduce multiple colorant moire in color printing | Thyagarajan Balasubramanian | 2001-09-04 |
| 6275620 | Method and apparatus for pre-processing mixed raster content planes to improve the quality of a decompressed image and increase document compression ratios | Ricardo L. de Queiroz, William A. Fuss, Robert R. Buckley | 2001-08-14 |
| 6275304 | Automated enhancement of print quality based on feature size, shape, orientation, and color | Robert P. Loce | 2001-08-14 |
| 6272251 | Fully automatic pasting of images into compressed pre-collated documents | Ricardo L. de Queiroz, Gozde Bozdagi | 2001-08-07 |
| 6272255 | Method and apparatus for pre-processing mixed raster content planes to improve the quality of a decompressed image and increase document compression ratios | Ricardo L. de Queiroz, William A. Fuss, Robert R. Buckley | 2001-08-07 |
| 6205257 | System and method for selectively noise-filtering digital images | — | 2001-03-20 |
| 6192149 | Method and apparatus for automatic detection of image target gamma | Charles M. Hains | 2001-02-20 |
| 6157736 | Method and apparatus for automatic image segmentation using template matching filters | Ronald E. Jodoin, Robert P. Loce | 2000-12-05 |
| 6141114 | Edge enhanced error diffusion with artifact correction in areas of highlights and shadows | David A. Mantell | 2000-10-31 |
| 6081211 | Minimal buffering method and system for optimized encoding tables in JPEG compression | Ricardo L. de Queiroz, James E. Bollman | 2000-06-27 |
| 6014469 | System and method for selectively noise-filtering digital images | — | 2000-01-11 |
| 5978519 | Automatic image cropping | James E. Bollman, Ramana L. Rao, Dennis L. Venable | 1999-11-02 |
| 5956470 | Text quality enhancement via resolution enhancement technique based on separating jaggedness detection and filtering | — | 1999-09-21 |
| 5854857 | Using encoding cost data for segmentation and background suppression in JPEG-compressed images | Ricardo L. de Queiroz | 1998-12-29 |
| 5802214 | Method for determining and loading an image-dependent look-up table for generating an enhanced image representation | William A. Fuss, Charles M. Hains | 1998-09-01 |
| 5757975 | Artifact reduction for large dynamic range input data in JPEG compression | James E. Bollman | 1998-05-26 |
| 5748785 | Inter-separation color image processing using error diffusion | David A. Mantell | 1998-05-05 |
| 5724455 | Automated template design method for print enhancement | — | 1998-03-03 |
| H1684 | Fast preview processing for JPEG compressed images | Ricardo L. de Queiroz | 1997-10-07 |
| 5621546 | Method and apparatus for vector error diffusion with output color control | Robert V. Klassen, Krishna Bharat | 1997-04-15 |
| 5581370 | Image-dependent automatic area of interest enhancement | William A. Fuss | 1996-12-03 |