Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911651 | Method for screening an image | Nicolas Monnerie | 2011-03-22 |
| 7054038 | Method and apparatus for generating digital halftone images by multi color dithering | Roger D. Hersch | 2006-05-30 |
| 6870642 | Halftoning by enhanced error diffusion | — | 2005-03-22 |
| 6356362 | Halftoning by enhanced error diffusion | — | 2002-03-12 |
| 6198545 | Method and apparatus for generating halftone images by evolutionary screen dot contours | Roger D. Hersch | 2001-03-06 |
| 5923774 | Matrix-based gray component replacement for color halftoning | — | 1999-07-13 |
| 5737453 | Enhanced error-diffusion method for color or black-and-white reproduction | — | 1998-04-07 |
| 5701366 | Halftoning with gradient-based selection of dither matrices | Smadar Nehab | 1997-12-23 |
| 5438431 | Method and apparatus for generating digital halftone images using a rotated dispersed dither matrix | — | 1995-08-01 |
| 5422742 | Method and apparatus for generating halftone images by discrete one-to-one dither tile rotation | Roger D. Hersch | 1995-06-06 |