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:
Jul. 14, 1998
Filed:
Oct. 10, 1997
Applicant:
Inventors:
Hemant Bheda, Cupertino, CA (US);
Partha Srinivasan, Fremont, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382233 ; 382236 ; 36472405 ;
Abstract
A novel method and structure for the implementation of Half Pixel Filtering and Block Averaging that are efficient for implementation on a general purpose CPU. The number of required operations are reduced by operating on multiple pixels simultaneously using sliced arithmetic, while maintaining full accuracy. In certain embodiments, the number of operations are further reduced by compromising full accuracy. This approximation is applicable to decoding of bi-directional frames.