Patent ID: 7889113

Claim:
A contraband detection system, comprising: a) a first camera having a first field of view, the first camera having an output providing first image data representative of radiation in a first frequency band from items in the first field of view, wherein the first frequency band comprises visible light frequencies; b) a second camera having a second field of view at least partially overlapping the first field of view, the second camera having an output providing second image data representative of radiation in a second frequency band, the second frequency band being different from the first frequency band and comprising frequencies between 20 GHz and 300 GHz, the radiation in the second frequency band being representative of items in the second field of view; and c) a display station coupled to the first camera and the second camera to receive the first image data and the second image data, the display station comprising at least one computer programmed to present a display of items in the first field of view using the first image data selectively overlaid with an indication of at least one item derived from the second image data.