Issued Patents All Time
Showing 151–175 of 274 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7719719 | Sharpening a halftoned image | Yeqing Zhang, Beilei Xu | 2010-05-18 |
| 7688473 | Tinted edge enhancement using harmonic halftones for the boundary pixels | Connie F. Purdum, Beilei Xu, David J. Lieberman, Mark A. Gwaltney, Jon S. McElvain +1 more | 2010-03-30 |
| 7679787 | N-color printing with hexagonal rosettes | Shen-Ge Wang | 2010-03-16 |
| 7675651 | Moire-free color halftone configuration employing common frequency vectors | Shen-Ge Wang | 2010-03-09 |
| 7667727 | Multiple-beam raster output scanner with a compensating filter | Beilei Xu, Patrick Y. Maeda | 2010-02-23 |
| 7639891 | Corner sharpening using look-up table edge pixel identification | Beilei Xu, Stuart A. Schweid, Son H. Nguyen, Michael Branciforte | 2009-12-29 |
| 7636480 | Super resolution encoding | Yeqing Zhang | 2009-12-22 |
| 7627191 | Image manipulation | Beilei Xu, Yeqing Zhang | 2009-12-01 |
| 7590282 | Optimal test patch level selection for systems that are modeled using low rank eigen functions, with applications to feedback controls | Zhigang Fan, Lalit Keshav Mestha, Yao Rong Wang, Yeqing Zhang | 2009-09-15 |
| 7565015 | Edge pixel identification | Beilei Xu, Stuart A. Schweid, Son H. Nguyen, Michael Branciforte | 2009-07-21 |
| 7539351 | Model-based line width control | Beilei Xu, Stuart A. Schweid | 2009-05-26 |
| 7536052 | Corner sharpening of text and line art in a super resolution anti-aliasing image path | Eli Saber | 2009-05-19 |
| 7525704 | System for providing depth discrimination of source images encoded in a rendered composite image | Yeqing Zhang, Gaurav Sharma, Steven J. Harrington, Peter A. Crean | 2009-04-28 |
| 7518618 | Anti-aliased tagging using look-up table edge pixel identification | Beilei Xu, Stuart A. Schweid, Son H. Nguyen, Michael Branciforte | 2009-04-14 |
| 7486416 | Inter-separation decorrelator | Edul N. Dalal, Wencheng Wu, Raja Bala, Yeqing Zhang, Norman W. Zeck | 2009-02-03 |
| 7460276 | Systems and methods for rank-order error diffusion image processing | Beilei Xu, David J. Lieberman | 2008-12-02 |
| 7440139 | Systems and methods for controlling a tone reproduction curve using error diffusion | Beilei Xu, Reiner Eschbach, David J. Lieberman | 2008-10-21 |
| 7379588 | Systems for spectral multiplexing of source images to provide a composite image, for rendering the composite image, and for spectral demultiplexing the composite image to obtain a normalized color image | Yeqing Zhang, Gaurav Sharma | 2008-05-27 |
| 7376264 | Systems for spectral multiplexing of a source image and a background image to provide a composite image, for rendering the composite image, and for spectral demultiplexing of the composite images | Yeqing Zhang, Gaurav Sharma, Steven J. Harrington | 2008-05-20 |
| 7295346 | Methods and apparatus for antialiasing using selective implementation of logical and averaging filter operations | Jon S. McElvain | 2007-11-13 |
| 7283143 | Measurement and control of high frequency banding in a marking system | Howard A. Mizes, Beilei Xu, Chu-heng Liu, Michael D. Thompson, Eric S. Hamby +1 more | 2007-10-16 |
| 7277196 | Iterative printer control and color balancing system and method using a high quantization resolution halftone array to achieve improved image quality with reduced processing overhead | Jean-Pierre Van de Capelle, Lalit Keshav Mestha, Raja Bala, Martin S. Maltz, Peter A. Crean | 2007-10-02 |
| 7269297 | Illuminant-neutral gray component replacement in systems for spectral multiplexing of source images to provide a composite image, for rendering the composite image, and for spectral demultiplexing of the composite image | Yeqing Zhang, Gaurav Sharma | 2007-09-11 |
| 7230738 | System for spectral multiplexing of source image to provide a composite image with noise encoding to increase image confusion in the composite image, for rendering the composite image, and for spectral demultiplexing of the composite image | Yeqing Zhang, Gaurav Sharma, Steven J. Harrington | 2007-06-12 |
| 7227669 | Method of selective edge softening and rendering for the suppression of halo | Clara Cuciurean-Zapan | 2007-06-05 |