| 8503036 |
System and method of improving image quality in digital image scanning and printing by reducing noise in output image data |
Francis K. Tse, Yingjun Bai |
2013-08-06 |
| 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 |
| 7773254 |
Method and system for improved copy quality in a multifunction reprographic system |
Ramesh Nagarajan, Francis K. Tse, Chia-Hao Lee, John W. Wu |
2010-08-10 |
| 7672023 |
Document handler systems and methods |
Francis K. Tse |
2010-03-02 |