Clutter rejection in active object detection systems

Details Clutter rejection in active object detection systems Clutter rejection in active object detection systems

2011-06-21

2011-06-21

Tarcza, Thomas H (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S004010, C356S004100, C356S005010, C356S005150

Reexamination Certificate

active

07965384

ABSTRACT:
According to a method and apparatus taught herein an active object detection system performs reliable object detection based on light pulse emissions and corresponding and time-of-flight based distance determination, while advantageously rejecting clutter. While not limiting, the method and apparatus taught herein may be particularly advantageous for safety-critical object detection applications, such as where the active object detection system, e.g., a laser scanner, monitors for objects of at least a specified size within a predetermined monitoring radius or contour.

REFERENCES:
patent: 5760887 (1998-06-01), Fink et al.
patent: 6493653 (2002-12-01), Drinkard et al.
patent: 6665621 (2003-12-01), Drinkard et al.
patent: 6753776 (2004-06-01), Drinkard
patent: 2003/0072470 (2003-04-01), Lee
patent: 2006/0233421 (2006-10-01), Portigal et al.

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