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:
Jun. 02, 2009
Filed:
Jun. 30, 2005
Igor Sevastianov, Nizhny Novgorod, RU;
Alexei M. Soupikov, Nizhny Novgorod, RU;
Yuri Moiseenko, Nizhny Novgorod, RU;
Igor Sevastianov, Nizhny Novgorod, RU;
Alexei M. Soupikov, Nizhny Novgorod, RU;
Yuri Moiseenko, Nizhny Novgorod, RU;
Intel Corporation, Santa Clara, CA (US);
Abstract
An apparatus and method for soft shadow calculations, the method including dividing an area light source into a patch of points, obtaining a packet of points on a surface that is subject to illumination by the patch of points, determining a form-factor value for each of the points in the packet of points; and simultaneously performing adaptive soft shadow calculations for each of the points in the packet based on the point in the packet having the greatest form-factor.