Inventor
ULICHNEY ROBERT A
US26 patents
⚠️ This page may combine multiple inventors who share the name “ULICHNEY ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIGITAL EQUIPMENT CORP
10 patentsUS5233684AAug 3, 1993
Method and apparatus for mapping a digital color image from a first color space to a second color space
DIGITAL EQUIPMENT CORP132 citations98
US5535020AJul 9, 1996
Void and cluster apparatus and method for generating dither templates
DIGITAL EQUIPMENT CORP90 citations96
US4955065ASep 4, 1990
System for producing dithered images from continuous-tone image data
DIGITAL EQUIPMENT CORP80 citations96
US6038576AMar 14, 2000
Bit-depth increase by bit replication
DIGITAL EQUIPMENT CORP26 citations92
US5920322AJul 6, 1999
Method and apparatus for providing 32-bit YUV to RGB color conversion
DIGITAL EQUIPMENT CORP21 citations92
US5602941AFeb 11, 1997
Input modification system for multilevel dithering
DIGITAL EQUIPMENT CORP44 citations90
US5543936AAug 6, 1996
Image adjustment system for translating raw input levels to adjusted input levels
DIGITAL EQUIPMENT CORP7 citations74
US5508822AApr 16, 1996
Imaging system with multilevel dithering using single memory
DIGITAL EQUIPMENT CORP12 citations74
US5333260AJul 26, 1994
Imaging system with multilevel dithering using bit shifter
DIGITAL EQUIPMENT CORP19 citations74
US5495345AFeb 27, 1996
Imaging system with two level dithering using comparator
DIGITAL EQUIPMENT CORP6 citations63
COMPAQ COMPUTER CORP
7 patentsUS6185334B1Feb 6, 2001
Method for reconstructing a dithered image
COMPAQ COMPUTER CORP17 citations92
US6473525B1Oct 29, 2002
Method for detecting an image edge within a dithered image
COMPAQ COMPUTER CORP19 citations90
US6487308B1Nov 26, 2002
Method and apparatus for providing 64-bit YUV to RGB color conversion
COMPAQ COMPUTER CORP21 citations86
US6690389B2Feb 10, 2004
Tone modifying dithering system
COMPAQ COMPUTER CORP15 citations84
US6172714B1Jan 9, 2001
Color adjustment table system for YUV to RGB color conversion
COMPAQ COMPUTER CORP11 citations74
US6163629ADec 19, 2000
Method for low complexity low memory inverse dithering
COMPAQ COMPUTER CORP15 citations73
US6222945B1Apr 24, 2001
Selective filtering of a dithered image for the purpose of inverse dithering
COMPAQ COMPUTER CORP10 citations71
HEWLETT PACKARD DEVELOPMENT CO
6 patentsUS7155058B2Dec 26, 2006
System and method for automatically detecting and correcting red eye
HEWLETT PACKARD DEVELOPMENT CO109 citations98
US6921172B2Jul 26, 2005
System and method for increasing projector amplitude resolution and correcting luminance non-uniformity
HEWLETT PACKARD DEVELOPMENT CO53 citations96
US6817721B1Nov 16, 2004
System and method for correcting projector non-uniformity
HEWLETT PACKARD DEVELOPMENT CO24 citations93
US7830418B2Nov 9, 2010
Perceptually-derived red-eye correction
HEWLETT PACKARD DEVELOPMENT CO9 citations84
US7130491B2Oct 31, 2006
System and method for interpolating a color image
HEWLETT PACKARD DEVELOPMENT CO11 citations83
US7453449B2Nov 18, 2008
System and method for correcting defective pixels of a display device
HEWLETT PACKARD DEVELOPMENT CO6 citations63