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. 30, 2002
Filed:
Jun. 30, 2000
Applicant:
Inventor:
David S. Taubman, Redwood City, CA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/66 ;
U.S. Cl.
CPC ...
H04B 1/66 ;
Abstract
Motion between two video fields is estimated by obtaining a two-bit representation of each sample in the bandpass filtered fields; determining an initial coarse motion estimate by comparing the two-bit representations which are associated with relatively displaced regions from the two fields; and refining the initial coarse motion estimate to fractional pixel accuracy.