Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041143 | Methods for background and noise suppression in binary to grayscale image conversion | Francis K. Tse, Ramesh Nagarajan, Chia-Hao Lee, John W. Wu | 2011-10-18 |
| 8023150 | Method and system for improved copy quality by generating contone value based on pixel pattern and image context type around pixel of interest | Ramesh Nagarajan, Francis K. Tse, Chia-Hao Lee, John W. Wu | 2011-09-20 |
| 7991235 | Light compression for color images using error diffusion | Zhigang Fan, Francis K. Tse | 2011-08-02 |
| 7869093 | Method and system for improved copy quality in a multifunction reprographic system | Francis K. Tse, Ramesh Nagarajan, Chia-Hao Lee, John W. Wu | 2011-01-11 |