Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6862366 | Techniques for scratch and date removal from scanned film | — | 2005-03-01 |
| 6813367 | Method and apparatus for site selection for data embedding | — | 2004-11-02 |
| 6546132 | Color table manipulations for smooth splicing | Hakan Ancin | 2003-04-08 |
| 6522427 | Color table manipulations for contour reduction | Tsung-Nan Lin, Joseph Shu | 2003-02-18 |
| 6456393 | Information embedding in document copies | Hakan Ancin | 2002-09-24 |
| 6400843 | Color image reproduction with accurate inside-gamut colors and enhanced outside-gamut colors | Joseph Shu, Tsung-Nan Lin, Hakan Ancin | 2002-06-04 |
| 6373590 | Method and apparatus for slant adjustment and photo layout | Hakan Ancin, Sean Miceli, Sean Gugler | 2002-04-16 |
| 6370271 | Image processing apparatus and methods for pattern recognition | Bin Fu | 2002-04-09 |
| 6369904 | User verification by zero-knowledge interactive proof | Hakan Ancin | 2002-04-09 |
| 6233060 | Reduction of moire in screened images using hierarchical edge detection and adaptive-length averaging filters | Joseph Shu, Tsung-Nan Lin | 2001-05-15 |
| 6227725 | Text enhancement for color and gray-scale documents | Hakan Ancin | 2001-05-08 |
| 6185004 | Self-calibration for color image reproduction system | Tsung-Nan Lin | 2001-02-06 |
| 6088512 | Void-and-cluster dither-matrix generation for better half-tone uniformity | Hakan Ancin, Joseph Shu | 2000-07-11 |
| 6038340 | System and method for detecting the black and white points of a color image | Hakan Ancin, Joseph Shu | 2000-03-14 |
| 6031626 | Color stochastic screening with optimal color dot placement | Joseph Shu, Hakan Ancin, Chia-Hsin Li | 2000-02-29 |
| 5963714 | Multicolor and mixed-mode halftoning | Hakan Ancin, Joseph Shu | 1999-10-05 |
| 5963715 | Color stochastic screening with optimal color dot placement for display devices having arbitrary aspect ratios | Joseph Shu, Hakan Ancin, Chia-Hsin Li | 1999-10-05 |
| 5809213 | Automatic color calibration of a color reproduction system | — | 1998-09-15 |