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:
Oct. 27, 1998
Filed:
Mar. 15, 1996
Applicant:
Inventor:
Masahide Nomura, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01P / ; G01N / ; H04N / ;
U.S. Cl.
CPC ...
356 28 ; 348135 ; 356342 ;
Abstract
A motion picture signal, as it is obtained from a camera, is processed by a spatiotemporal filter so that an optical flow of a concerned object is measured, and a velocity of the object is measured from the optical flow, identifying the object.