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:
Apr. 16, 2013
Filed:
Aug. 27, 2004
Applicants:
Yiu Cheong Ho, Fremont, CA (US);
Eric Kwong-hang Tsang, Milpitas, CA (US);
Inventors:
Yiu Cheong Ho, Fremont, CA (US);
Eric Kwong-Hang Tsang, Milpitas, CA (US);
Assignee:
NVIDIA Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system for adaptive matrix trimming in an inverse discrete cosine transform (IDCT) operation. At least one row of an input matrix is accessed. At least one matrix element of the row having a value of zero is detected. During execution of an IDCT multiplication operation on the row for generating an output row, IDCT multiplication operation for a matrix element having a value of zero is skipped.