Inventor
HITCHCOCK GREGORY C
US42 patents
⚠️ This page may combine multiple inventors who share the name “HITCHCOCK GREGORY C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROSOFT CORP
38 patentsUS6750875B1Jun 15, 2004
Compression of image data associated with two-dimensional arrays of pixel sub-components
MICROSOFT CORP176 citations99
US6278434B1Aug 21, 2001
Non-square scaling of image data to be mapped to pixel sub-components
MICROSOFT CORP176 citations99
US6243070B1Jun 5, 2001
Method and apparatus for detecting and reducing color artifacts in images
MICROSOFT CORP269 citations99
US6239783B1May 29, 2001
Weighted mapping of image data samples to pixel sub-components on a display device
MICROSOFT CORP296 citations99
US6236390B1May 22, 2001
Methods and apparatus for positioning displayed characters
MICROSOFT CORP210 citations99
US6225973B1May 1, 2001
Mapping samples of foreground/background color image data to pixel sub-components
MICROSOFT CORP154 citations99
US6219025B1Apr 17, 2001
Mapping image data samples to pixel sub-components on a striped display device
MICROSOFT CORP183 citations99
US6188385B1Feb 13, 2001
Method and apparatus for displaying images such as text
MICROSOFT CORP266 citations99
US6396505B1May 28, 2002
Methods and apparatus for detecting and reducing color errors in images
MICROSOFT CORP214 citations98
US6377262B1Apr 23, 2002
Rendering sub-pixel precision characters having widths compatible with pixel precision characters
MICROSOFT CORP174 citations98
US6356278B1Mar 12, 2002
Methods and systems for asymmeteric supersampling rasterization of image data
MICROSOFT CORP85 citations98
US6339426B1Jan 15, 2002
Methods, apparatus and data structures for overscaling or oversampling character feature information in a system for rendering text on horizontally striped displays
MICROSOFT CORP95 citations97
US6253374B1Jun 26, 2001
Method for validating a signed program prior to execution time or an unsigned program at execution time
MICROSOFT CORP247 citations97
US6577291B2Jun 10, 2003
Gray scale and color display methods and apparatus
MICROSOFT CORP66 citations96
US6693615B2Feb 17, 2004
High resolution display of image data using pixel sub-components
MICROSOFT CORP28 citations92
US6597360B1Jul 22, 2003
Automatic optimization of the position of stems of text characters
MICROSOFT CORP34 citations92
US6421054B1Jul 16, 2002
Methods and apparatus for performing grid fitting and hinting operations
MICROSOFT CORP37 citations92
US6307566B1Oct 23, 2001
Methods and apparatus for performing image rendering and rasterization operations
MICROSOFT CORP32 citations92
US6342896B1Jan 29, 2002
Methods and apparatus for efficiently implementing and modifying foreground and background color selections
MICROSOFT CORP52 citations91
US7292249B2Nov 6, 2007
Appropriately rendering a graphical object when a corresponding outline has excessive control points
MICROSOFT CORP13 citations84
US7289123B2Oct 30, 2007
Simplifying complex characters to maintain legibility
MICROSOFT CORP13 citations84
US7236174B2Jun 26, 2007
Adaptively filtering outlines of typographic characters to simplify representative control data
MICROSOFT CORP12 citations84
US7173619B2Feb 6, 2007
Matching digital information flow to a human perception system
MICROSOFT CORP13 citations84
US7136067B2Nov 14, 2006
Using externally parameterizeable constraints in a font-hinting language to synthesize font variants
MICROSOFT CORP19 citations84
US7265757B2Sep 4, 2007
Appropriately rendering a graphical object when a corresponding outline lacks control points
MICROSOFT CORP7 citations74
US7187382B2Mar 6, 2007
Iteratively solving constraints in a font-hinting language
MICROSOFT CORP8 citations74
US7145572B2Dec 5, 2006
Methods and apparatus for improving the quality of displayed images through the use of display device and display condition information
MICROSOFT CORP10 citations74
US7548239B2Jun 16, 2009
Matching digital information flow to a human perception system
MICROSOFT CORP7 citations73
US7505041B2Mar 17, 2009
Iteratively solving constraints in a font-hinting language
MICROSOFT CORP3 citations63
US7292247B2Nov 6, 2007
Dynamically determining directions of freedom for control points used to represent graphical objects
MICROSOFT CORP3 citations63
US7256786B2Aug 14, 2007
Appropriately rendering a graphical object when a corresponding outline has exact or inexact control points
MICROSOFT CORP3 citations63
US7872651B2Jan 18, 2011
Error metrics for characters
MICROSOFT CORP2 citations62
US7148893B2Dec 12, 2006
Automatic optimization of the position of stems of text characters
MICROSOFT CORP4 citations62
US6950103B2Sep 27, 2005
Automatic optimization of the position of stems of text characters
MICROSOFT CORP1 citations62
US8013860B2Sep 6, 2011
Adaptive contextual filtering based on observer colorblindness characteristics
MICROSOFT CORP0 citations52
US7969441B2Jun 28, 2011
Adaptive contextual filtering based on typographical characteristics
MICROSOFT CORP0 citations52
US7945119B2May 17, 2011
Optimizing character rendering
MICROSOFT CORP1 citations52
US7821524B2Oct 26, 2010
Adaptive contextual filtering
MICROSOFT CORP0 citations52