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:
Sep. 17, 2002
Filed:
Nov. 24, 1999
James T. Battle, San Jose, CA (US);
William N. Ng, Sunnyvale, CA (US);
ATI International SRL, Barbados, KN;
Abstract
A circuit is provided for performing a high-precision bilinear interpolation operation. The circuit includes a first interpolation operator for interpolating two operands representing a pair of texels using a weight high component of a weighting value. The first interpolation operator outputs a first result. A second interpolation operator interpolates the two operands representing the pair of texels using a weight low component of the weighting value. The second interpolation operator outputs a second result. A combination operator, coupled to the first and second interpolation operators, combines the first and second results to form a value of higher precision than that yielded by typical circuit implementations for bilinear interpolation operation.