作者: Thomas C. Guthrie , Ronald G. Frey
DOI:
关键词:
摘要: A system for automatically recognizing persons or objects as they move past a selected location and classifying the in accordance with criteria. The includes emitters emitting beams toward person object moving to generate reflected from object. included angle of emitted beam is function height detector detects generates signals representative angle, thus time-dependent profile which are reflected. classified according