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. 16, 2002
Filed:
Jun. 08, 2001
Applicant:
Inventor:
Shan Cong, Ann Arbor, MI (US);
Assignee:
Automotive Systems Laboratory, Inc., Farmington Hills, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 1/393 ;
U.S. Cl.
CPC ...
G01S 1/393 ;
Abstract
A radar system ( ) generates a plurality of data points (x, y) representative of the position of a tracked object ( ), and a representation of an associated path ( ) is formed therefrom. At least one quality measure, and at least one heading measure, of said representation, is calculated corresponding to at least one map coordinate ( ). The quality and heading measures are stored in memory as a track map. Data from other tracked objects ( ) is used to update the track map ( ), resulting a plurality of heading values at associated map coordinates ( ) that are representative of a path ( ) followed by the tracked objects ( ).