Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8368964 | Method for estimation of image defocus and defocus restoration | Beilei Xu, Robert P. Loce, Chu-heng Liu | 2013-02-05 |
| 7706594 | Magnetic watermark for text documents | Raphael F. Bov, Jr., Zhigang Fan, John C. Handley | 2010-04-27 |
| 7424151 | Method and system for image classification and halftone frequency detection | Shen-Ge Wang, Beilei Xu | 2008-09-09 |
| 7386159 | Magnetic watermark for text documents | John C. Handley, Zhigang Fan, Raphael F. Bov, Jr. | 2008-06-10 |
| 7239430 | Binary halftone detection | Jeng-Nan Shiau | 2007-07-03 |
| 7218332 | Method and apparatus for windowing and image rendition | Hui Cheng | 2007-05-15 |
| 7119924 | Detection and segmentation of sweeps in color graphics images | Salil Prabhakar, Raja Bala, Hui Cheng, John C. Handley | 2006-10-10 |
| 7116443 | Neutral pixel detection using color space feature vectors wherein one color space coordinate represents lightness | John C. Handley | 2006-10-03 |
| 7058350 | Copier or scanner platen cover with fluorescent coating | Bing R. Hsieh, Leon C. Williams | 2006-06-06 |
| 7031543 | Grayscale image de-speckle algorithm | Hui Cheng, Stuart A. Schweid | 2006-04-18 |
| 7009739 | Color to black and white converter | Jeng-Nan Shiau | 2006-03-07 |
| 7006256 | Watermarked image generator and method of embedding watermarks into an input image | Shen-Ge Wang, Hui Cheng, Zhigang Fan | 2006-02-28 |
| 6983068 | Picture/graphics classification system and method | Salil Prabhakar, Hui Cheng, Zhigang Fan, John C. Handley | 2006-01-03 |
| 6947597 | Soft picture/graphics classification system and method | Stuart A. Schweid, Jeng-Nan Shiau, Raja Bala, Zhigang Fan | 2005-09-20 |
| 6941014 | Method and apparatus for segmenting an image using a combination of image segmentation techniques | Martin E. Banton, William A. Fuss | 2005-09-06 |
| 6839152 | Adaptive filtering method and apparatus for descreening scanned halftoned image representations | Zhigang Fan, Hong Li | 2005-01-04 |
| 6834124 | Adaptive image enhancement filter | Robert P. Loce | 2004-12-21 |
| 6728004 | Logic-based image processing method | Robert P. Loce, Michael Branciforte | 2004-04-27 |
| 6717700 | Method and system for adjusting binary images | Thomas A. Sanderson | 2004-04-06 |
| 6549656 | Fuzzy image segmentation | — | 2003-04-15 |
| 6426802 | Complementary halftone screens for highlight printing | — | 2002-07-30 |
| 6356654 | Systems and methods for template matching of multicolored images | Robert P. Loce, Michael S. Cianciosi | 2002-03-12 |
| 6347115 | Method and system for predictive coding of images treated with the Roberts Method | Zhigang Fan | 2002-02-12 |
| 6297889 | Logic-based image processing method | Robert P. Loce, Michael Branciforte | 2001-10-02 |
| 6285463 | Method and apparatus for image compensation of blooming artifacts | Katherine Loj | 2001-09-04 |