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:
Dec. 19, 2006
Filed:
Jun. 20, 2002
Kevin J Matherson, Fort Collins, CO (US);
Christopher a Whitman, Fort Collins, CO (US);
Jason E Yost, Windsor, CO (US);
Kevin J Matherson, Fort Collins, CO (US);
Christopher A Whitman, Fort Collins, CO (US);
Jason E Yost, Windsor, CO (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
Producing calibration data (to remove vignetting, e.g., color-dependent vignetting) for a digital camera includes: arranging, in front of the camera, a white reference surface that is to be imaged; capturing, via the camera, a characteristic array of data corresponding to an image of the reference surface for each color that the camera can image; and manipulating each characteristic array to reduce a total amount of data representing the reference image.