Stephanie S Graham

US Patent:

7961941, Jun 14, 2011

Filed:

Mar 26, 2010

Appl. No.:

12/748057

Inventors:

Timothy O. Withum - Olney MD, US
Kurt P. Kopchik - Washington DC, US
Frederic Highland - New Midway MD, US
Supreeth Hebbal - Eldersburg MD, US
Summer C. Dasch - Crofton MD, US
Stephanie M. Graham - Crofton MD, US

Assignee:

Lockheed Martin Corporation - Bethesda MD

International Classification:

G06K 9/00
G06K 9/34

US Classification:

382163, 382162, 382164, 382175, 382176

Abstract:

Dropping out of color form backgrounds from images of completed forms to obtain color form dropout images retaining only the respondent information. In one embodiment, a color form image processing method () includes retrieving () a template image, retrieving () a respondent image, registering () the images against one another to establish correspondence between pixels in the respondent and template images, dilating () the template image, and performing () a color form dropout including comparing () corresponding pixels in the respondent and dilated template images, and determining () whether to keep corresponding pixels by applying () a geometric solid threshold comparison to assess both color similarity and relative darkness, and removing () pixels from the respondent image based on such comparison.

US Patent:

20070177796, Aug 2, 2007

Filed:

Jan 27, 2006

Appl. No.:

11/341305

Inventors:

Timothy Withum - Olney MD, US
Kurt Kopchik - Washington DC, US
Frederic Highland - New Midway MD, US
Supreeth Hebbal - Eldersburg MD, US
Summer Dasch - Crofton MD, US
Stephanie Graham - Crofton MD, US

International Classification:

G06K 9/00

US Classification:

382163000

Abstract:

Dropping out of color form backgrounds from images of completed forms to obtain color form dropout images retaining only the respondent information. In one embodiment, a color form image processing method () includes retrieving () a template image, retrieving () a respondent image, registering () the images against one another to establish correspondence between pixels in the respondent and template images, dilating () the template image, and performing () a color form dropout including comparing () corresponding pixels in the respondent and dilated template images, and determining () whether to keep corresponding pixels by applying () a geometric solid threshold comparison to assess both color similarity and relative darkness, and removing () pixels from the respondent image based on such comparison.