Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731671 | Contrast adjustment in digital image processing method employing histogram normalization | — | 1988-03-15 |
| 4729016 | Digital color image processing method and apparatus employing three color reproduction functions for adjusting both tone scale and color balance | — | 1988-03-01 |
| 4677465 | Digital color image processing method with shape correction of histograms used to produce color reproduction functions | — | 1987-06-30 |
| 4654722 | Tone value sample selection in digital image processing method employing histogram normalization | — | 1987-03-31 |
| 4651199 | Method for detecting blank frames in a photographic color printer | — | 1987-03-17 |
| 4642683 | Digital image processing method for images with bimodal tone value distribution | — | 1987-02-10 |
| 4642684 | Method and apparatus for detecting and printing color photographic images of scenes exposed with narrow band illuminant | — | 1987-02-10 |
| 4636845 | Digital image processing method for over and under exposed photographic images | — | 1987-01-13 |