| Patent | Date |
|---|
Method for estimation of image defocus and defocus restoration
Grant 8,368,964 - Xu , et al. February 5, 2 | 2013-02-05 |
Method For Estimation Of Image Defocus And Defocus Restoration
App 20110032575 - Xu; Beilei ; et al. | 2011-02-10 |
Magnetic watermark for text documents
Grant 7,706,594 - Lin , et al. April 27, 2 | 2010-04-27 |
Magnetic Watermark For Text Documents
App 20080217416 - Lin; Ying-wei ; et al. | 2008-09-11 |
Method and system for image classification and halftone frequency detection
Grant 7,424,151 - Lin , et al. September 9, 2 | 2008-09-09 |
Magnetic watermark for text documents
Grant 7,386,159 - Handley , et al. June 10, 2 | 2008-06-10 |
Binary halftone detection
Grant 7,239,430 - Shiau , et al. July 3, 2 | 2007-07-03 |
Method and apparatus for windowing and image rendition
Grant 7,218,332 - Cheng , et al. May 15, 2 | 2007-05-15 |
Detection and segmentation of sweeps in color graphics images
Grant 7,119,924 - Prabhakar , et al. October 10, 2 | 2006-10-10 |
Neutral pixel detection using color space feature vectors wherein one color space coordinate represents lightness
Grant 7,116,443 - Handley , et al. October 3, 2 | 2006-10-03 |
Copier or scanner platen cover with fluorescent coating
Grant 7,058,350 - Hsieh , et al. June 6, 2 | 2006-06-06 |
Grayscale image de-speckle algorithm
Grant 7,031,543 - Cheng , et al. April 18, 2 | 2006-04-18 |
Color to black and white converter
Grant 7,009,739 - Lin , et al. March 7, 2 | 2006-03-07 |
Watermarked image generator and method of embedding watermarks into an input image
Grant 7,006,256 - Wang , et al. February 28, 2 | 2006-02-28 |
Picture/graphics classification system and method
Grant 6,983,068 - Prabhakar , et al. January 3, 2 | 2006-01-03 |
Magnetic watermark for text documents
App 20050281434 - Handley, John C. ; et al. | 2005-12-22 |
Method and system for image classification and halftone frequency detection
App 20050271277 - Lin, Ying-Wei ; et al. | 2005-12-08 |
Soft picture/graphics classification system and method
Grant 6,947,597 - Lin , et al. September 20, 2 | 2005-09-20 |
Method and apparatus for segmenting an image using a combination of image segmentation techniques
Grant 6,941,014 - Lin , et al. September 6, 2 | 2005-09-06 |
Adaptive filtering method and apparatus for descreening scanned halftoned image representations
Grant 6,839,152 - Fan , et al. January 4, 2 | 2005-01-04 |
Adaptive image enhancement filter
Grant 6,834,124 - Lin , et al. December 21, 2 | 2004-12-21 |
Binary halftone detection
App 20040114185 - Shiau, Jeng-nan ; et al. | 2004-06-17 |
Logic-based image processing method
Grant 6,728,004 - Loce , et al. April 27, 2 | 2004-04-27 |
Method and system for adjusting binary images
Grant 6,717,700 - Sanderson , et al. April 6, 2 | 2004-04-06 |
Neutral pixel detection using color space feature vectors wherein one color space coordinate represents lightness
App 20030206307 - Handley, John C. ; et al. | 2003-11-06 |
Method and apparatus for windowing and image rendition
App 20030202702 - Cheng, Hui ; et al. | 2003-10-30 |
Watermarked image generator and method of embedding watermarks into an input image
App 20030133163 - Wang, Shen-ge ; et al. | 2003-07-17 |
Copier or scanner platen cover with fluorescent coating
App 20030133172 - Hsieh, Bing R. ; et al. | 2003-07-17 |
Grayscale image de-speckle algorithm
App 20030123749 - Cheng, Hui ; et al. | 2003-07-03 |
Detection and segmentation of sweeps in color graphics images
App 20030063097 - Prabhakar, Salil ; et al. | 2003-04-03 |
Soft picture/graphics classification system and method
App 20030063803 - Lin, Ying-Wei ; et al. | 2003-04-03 |
Adaptive filtering method and apparatus for descreening scanned halftoned image representations
App 20020093686 - Fan, Zhigang ; et al. | 2002-07-18 |
Method and apparatus for segmenting an image using a combination of image segmentation techniques
App 20020076103 - Lin, Ying-Wei ; et al. | 2002-06-20 |
Picture/graphics classification system and method
App 20020031268 - Prabhakar, Salil ; et al. | 2002-03-14 |
Logic-based image processing method
App 20010038460 - Loce, Robert P. ; et al. | 2001-11-08 |
Logic-based image processing method
Grant 6,297,889 - Loce , et al. October 2, 2 | 2001-10-02 |
Method and apparatus for color correction in a multi-chip imaging array
Grant 6,069,973 - Lin , et al. May 30, 2 | 2000-05-30 |
Image compression and decompression using predictive coding and error diffusion
Grant 5,859,931 - Fan , et al. January 12, 1 | 1999-01-12 |
Method and apparatus for the resolution enhancement of gray-scale images that include text and line art
Grant 5,742,703 - Lin , et al. April 21, 1 | 1998-04-21 |
Quantization method for color document reproduction in a color printing system
Grant 5,740,334 - Lin , et al. April 14, 1 | 1998-04-14 |
Method and apparatus for gray screening
Grant 5,729,663 - Lin , et al. March 17, 1 | 1998-03-17 |
Area mapping employing reference clusters for high quality noninteger resolution conversion with enhancement
Grant 5,689,343 - Loce , et al. November 18, 1 | 1997-11-18 |
Stack filters for 1-to-N bit image processing in electronic printers
Grant 5,493,419 - Jodoin , et al. February 20, 1 | 1996-02-20 |
Stack filters for 1-to-N bit image processing in electronic printers
Grant 5,471,320 - Jodoin , et al. November 28, 1 | 1995-11-28 |
Image scaling apparatus
Grant 5,237,432 - Calarco , et al. August 17, 1 | 1993-08-17 |
Method and apparatus for dynamically setting a background level
Grant 5,086,485 - Lin February 4, 1 | 1992-02-04 |
Offset, gain and bad pixel correction in electronic scanning arrays
Grant 4,920,428 - Lin , et al. April 24, 1 | 1990-04-24 |
Multi-channel image processing with cross channel context
Grant 4,916,551 - Lin , et al. April 10, 1 | 1990-04-10 |
Image processing apparatus using approximate auto correlation function to detect the frequency of half-tone image data
Grant 4,811,115 - Lin , et al. March 7, 1 | 1989-03-07 |
Cleaning apparatus for charge retentive surface
Grant 4,705,387 - Lin November 10, 1 | 1987-11-10 |
Development apparatus with paper debris remover
Grant 4,639,115 - Lin January 27, 1 | 1987-01-27 |
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