The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2010
Filed:
Jan. 27, 2006
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);
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);
Lockheed Martin Corporation, Bethesda, MD (US);
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.