Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8068257 | Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dots | Xing Li, Francis K. Tse, Zhenhuan Wen | 2011-11-29 |
| 8004714 | System for replacing a portion of an image data stream in an ink jet printer | Mark R. Parker, Theresa Michelle Marconi | 2011-08-23 |
| 7953288 | Edge transition detection in a high-addressable error diffusion environment | Yingjun Bai, Xing Li | 2011-05-31 |
| 7830554 | Fiducial artifact detection and compensation algorithm | Terri A. Clingerman, Stuart A. Schweid, Howard A. Mizes | 2010-11-09 |
| 7724955 | Apparatus and method for auto windowing using multiple white thresholds | Jeng-Nan Shiau | 2010-05-25 |
| 7627188 | Error diffusion method and hardware architecture | Zhenhuan Wen, Robert Robideau | 2009-12-01 |
| 7460727 | Error diffusion method and hardware architecture | Zhenhuan Wen, Robert Robideau | 2008-12-02 |
| 7277191 | Fast efficient window region coalescing in a two-pass auto-windowing environment | Jeng-Nan Shiau | 2007-10-02 |
| 6603575 | System and apparatus for single subpixel elimination with local error compensation in a high addressable error diffusion process | Stuart A. Schweid | 2003-08-05 |
| 6594401 | Detection and elimination of scanning artifacts | Leon C. Williams, Roger L. Triplett | 2003-07-15 |
| 6519361 | Optimization of color transformation matrix with all positive coefficients | Joseph P. Taillie | 2003-02-11 |
| 6449061 | System and method for providing dynamic noise profile selection for hybrid and error diffusion image processing | — | 2002-09-10 |
| 6427030 | Method and system for image conversion utilizing dynamic error diffusion | Leon C. Williams, Jeng-Nan Shiau | 2002-07-30 |
| 6351319 | System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process | Stuart A. Schweid | 2002-02-26 |
| 6347159 | Method and system for processing image information using screening and error diffusion | Leon C. Williams, Jeng-Nan Shiau | 2002-02-12 |
| 6266438 | Architecture for color space transformation to compensate for relative chip-to-chip spectral variations on a butted full-width array sensor bar | Dawn Williams-Fuller, Joseph P. Taillie, Josef E. Jedlicka | 2001-07-24 |
| 6249357 | System and apparatus for tonal reproduction curve adjustment in a hybrid error diffusion process | Jeng-Nan Shiau | 2001-06-19 |
| 6233360 | Method and system for hybrid error diffusion processing of image information using adaptive white and black reference values | Roger L. Triplett, Xiao-fan Feng, John T. Newell | 2001-05-15 |
| 6144775 | Method and system for storing error values for an image conversion process utilizing dynamic error diffusion | Leon C. Williams, Jeng-Nan Shiau | 2000-11-07 |
| 6061143 | System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process | Stuart A. Schweid | 2000-05-09 |
| 5933539 | Method and system for hybrid error diffusion processing of image information using programmable screen modulation | Jeng-Nan Shiau | 1999-08-03 |
| 5903361 | Method and system for processing image information using background error diffusion | Jeng-Nan Shiau | 1999-05-11 |
| 5880857 | Error diffusion pattern shifting reduction through programmable threshold perturbation | Jeng-Nan Shiau, Leon C. Williams | 1999-03-09 |
| 5822464 | Method and system for processing image information using video dependent dampened screening and error diffusion | — | 1998-10-13 |
| 5809177 | Hybrid error diffusion pattern shifting reduction using programmable threshold perturbation | Jeng-Nan Shiau, Leon C. Williams | 1998-09-15 |