Issued Patents All Time
Showing 126–150 of 151 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775420 | Methods and systems for improving display resolution using sub-pixel sampling and visual error compensation | — | 2004-08-10 |
| 6697109 | Method and system for field sequential color image capture | — | 2004-02-24 |
| 6690422 | Method and system for field sequential color image capture using color filter array | Xiaofan Feng | 2004-02-10 |
| 6671068 | Adaptive error diffusion with improved edge and sharpness perception | William Ho Chang | 2003-12-30 |
| 6658162 | Image coding method using visual optimization | Wenjun Zeng, Shawmin Lei | 2003-12-02 |
| 6608632 | Methods and systems for improving display resolution in images using sub-pixel sampling and visual error filtering | Rajesh Reddy K. Kovvuri | 2003-08-19 |
| 6441867 | Bit-depth extension of digital displays using noise | — | 2002-08-27 |
| 6411740 | Method for non-uniform quantization in a resolution hierarchy by use of a nonlinearity | — | 2002-06-25 |
| 6356672 | Method and apparatus for reducing the color registration artifact of image capture devices | Xiaofan Feng | 2002-03-12 |
| 6353686 | Method for non-uniform quantization in a resolution hierarchy by transmission of break points of a nonlinearity | Shawmin Lei | 2002-03-05 |
| 6173069 | Method for adapting quantization in video coding using face detection and visual eccentricity weighting | Kristine E. Matthews, Jordi Ribas-Corbera | 2001-01-09 |
| 6078307 | Method for increasing luminance resolution of color panel display systems | — | 2000-06-20 |
| 6044182 | Method for embedding digital information in an image | John R. Squilla, Michel J. Denber, Chris W. Honsinger, John F. Hamilton, Jr. | 2000-03-28 |
| 5987169 | Method for improving chromatic text resolution in images with reduced chromatic bandwidth | Jack Van Oosterhout, William C. Kress | 1999-11-16 |
| 5905819 | Method and apparatus for hiding one image or pattern within another | — | 1999-05-18 |
| 5859920 | Method for embedding digital information in an image | John R. Squilla, Michel J. Denber, Chris W. Honsinger, John F. Hamilton, Jr. | 1999-01-12 |
| 5835639 | Method for detecting rotation and magnification in images | Chris W. Honsinger | 1998-11-10 |
| 5754222 | Visual characterization using display model | Hsien-Che Lee | 1998-05-19 |
| 5541028 | Constructing tone scale curves | Hsien-Che Lee, Richard L. VanMetter, Allen K. Tsaur | 1996-07-30 |
| 5394483 | Method and apparatus for determining visually perceptible differences between images | — | 1995-02-28 |
| 5172227 | Image compression with color interpolation for a single sensor image system | Yushing T. Tsai, Majid Rabbani | 1992-12-15 |
| 5150433 | Histogram/variance mechanism for detecting presence of an edge within block of image data | — | 1992-09-22 |
| 5079621 | DCT transform compression, transmission and recovery of digital color using virtual filtering mechanism | Edward M. Granger | 1992-01-07 |
| 4780761 | Digital image compression and transmission system visually weighted transform coefficients | Majid Rabbani, Cheng-Tie Chen | 1988-10-25 |
| 4774562 | Image transmission system with preview mode | Cheng-Tie Chen, Majid Rabbani | 1988-09-27 |