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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Thornton; Jay E.
Address:
Watertown, MA
No. of patents:
24
Patents:












Patent Number Title Of Patent Date Issued
RE43149 Method for generating a halftone of a source image January 31, 2012
In one aspect of the present invention, a method is provided for producing a halftone of a source image. The halftone includes halftone pixels. The halftone pixels are suitable for containing halftone dots. The method selects glyphs corresponding to intensities of regions (e.g., pixe
RE42473 Rendering images utilizing adaptive error diffusion June 21, 2011
An adaptive halftoning method where the difference between a digital image and a filtered digital image is introduced into the system on a pixel by pixel basis is disclosed. In this method, each input difference pixel has a corresponding error value of the previous pixel added to the
8265420 Digital image exposure correction September 11, 2012
Techniques are disclosed for correcting the exposure of a digital image. An exposure predictor may be generated based on a set of images for which ground truth data are known. After identifying an optimal set of features, the exposure of the digital image may be corrected by extracti
7907781 System and method for determining geometries of scenes March 15, 2011
A method and an apparatus determines a geometry of a scene by projecting one or more output image into the scene, in which a time to project the output image is t.sub.1. Input images are acquired of the scene, in which a time to acquire each input image is t.sub.2, and in which t.sub
7826660 Digital image exposure correction November 2, 2010
Techniques are disclosed for correcting the exposure of a digital image. An exposure predictor may be generated based on a set of images for which ground truth data are known. After identifying an optimal set of features, the exposure of the digital image may be corrected by extracti
7635660 Thermal imaging system December 22, 2009
A multicolor imaging system is described wherein at least two, and preferably three, different image-forming layers of a thermal imaging member are addressed at least partially independently by a thermal printhead or printheads from the same surface of the imaging member by controlli
7283666 Digital image exposure correction October 16, 2007
Techniques are disclosed for correcting the exposure of a digital image. An exposure predictor may be generated based on a set of images for which ground truth data are known. After identifying an optimal set of features, the exposure of the digital image may be corrected by extracti
7227592 Self-correcting rear projection television June 5, 2007
In a rear projection television, cathode ray tubes are mounted inside an enclosure so that each cathode ray tube projects output images onto a rear projection screen using a corresponding electron beam. Calibration images are generated for each cathode ray tube. A camera, also mounted
7207645 Printer color correction April 24, 2007
Techniques are disclosed for performing color correction in a color printer. An RGB test image is printed to produce a printed calibration image. Colors in the printed calibration image are measured and compared to expected color values. A color corrector generates a printer lookup t
7166558 Thermal imaging system January 23, 2007
A multicolor imaging system is described wherein at least two, and preferably three, different image-forming layers of a thermal imaging member are addressed at least partially independently by a thermal printhead or printheads from the same surface of the imaging member by controlli
6999202 Method for generating a halftone of a source image February 14, 2006
In one aspect of the present invention, a method is provided for producing a halftone of a source image. The halftone includes halftone pixels. The halftone pixels are suitable for containing halftone dots. The method selects glyphs corresponding to intensities of regions (e.g., pixels)
6937365 Rendering images utilizing adaptive error diffusion August 30, 2005
An adaptive halftoning method where the difference between a digital image and a filtered digital image is introduced into the system on a pixel by pixel basis is disclosed. In this method, each input difference pixel has a corresponding error value of the previous pixel added to the inp
6906735 Thermal imaging system June 14, 2005
A multicolor imaging system is described wherein at least two, and preferably three, different image-fonning layers of a thermal imaging member are addressed at least partially independently by a thermal printhead or printheads from the same surface of the imaging member by controlli
6842186 High speed photo-printing apparatus January 11, 2005
A thermal printer is disclosed which includes a plurality of thermal print heads, each of the plurality of thermal print heads being operable to print a distinct one of a plurality of colors. The plurality of thermal print heads may print output at a plurality of spatial resolutions. The
6801233 Thermal imaging system October 5, 2004
A multicolor imaging system is described wherein at least two, and preferably three, different image-forming layers of a thermal imaging member are addressed at least partially independently by a thermal printhead or printheads from the same surface of the imaging member by controlli
6661443 Method and apparatus for voltage correction December 9, 2003
A method is provided for providing the same amount of energy to each print head element in a thermal printer during each print head cycle used to print an image, regardless of the number of print head elements that are active during each print head cycle. The desired amount of energy may
6307961 User-interactive corrective tuning of color profiles October 23, 2001
Local color correction to color values which result from processing of images within a Color Management System (CMS) is implemented by adjusting existing fields and tags within a color profile. A source image is rendered on a source digital imaging device, and the same or a different
6128415 Device profiles for use in a digital image processing system October 3, 2000
Device profiles conventionally describe properties of a device or element within a digital image processing system that capture, transform or render color components of an image. An improved device profile includes both chromatic characteristic information and spatial characteristic
6072901 System and method for deriving an invertible relationship between color spaces where the intrins June 6, 2000
A system and method can generate a singular solution where a color is represented by an unique set of values in a first color space corresponding to more than one set of values which represent the same color in a second color space. One preferred method determines a singular set of c
6037950 Configurable, extensible, integrated profile generation and maintenance environment for facilita March 14, 2000
A method and system for facilitating image transfer between transform spaces by establishing a configurable, extensible, integrated profile generation and maintenance environment in a computer system includes the steps of providing a profile generation environment, a profile viewing
6008907 Printer calibration December 28, 1999
A system and method for calibrating a printer includes the steps or functions of: printing a predetermined color test pattern with the printer by transforming data, representing said predetermined color test pattern, from a device-independent color space to a device-dependent color space
5745660 Image rendering system and method for generating stochastic threshold arrays for use therewith April 28, 1998
An image rendering system, for generating discrete tone image data representing a continuous-tone image for rendering by a rendering device, the image rendering system includes a stochastic threshold array generating arrangement and an image data processing section. The stochastic th
5696612 Multiple density level stochastic screening system and method December 9, 1997
An image rendering system for generating discrete tone image data for representing continuous tone image data to be rendered by a rendering device. The continuous tone image data includes a plurality of pixel values each associated with a pixel. The rendering device renders a coloran
5221971 Area modulation printing apparatus June 22, 1993
Printing apparatus and method particularly suited to provide a hardcopy of an image which is produced by medical imaging equipment or the like. The apparatus produces hardcopy consisting of pixels whose size can be changed by area modulation to suit image tonal content and detail while s










 
 
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