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Active Multispectral 3D Vision Sensor Image Evaluation

The first laboratory images from an active multispectral 3D imaging sensor under development for cross-country navigation of an autonomous vehicle are presented. Images of the reflected return from three spectral channels, 0.532 μm, 0.802 μm, and 1.064 μm, and a range channel were acquired simultaneously in performance tests during the first stage of development of the sensor. An analysis of the image data showed strong agreement between the actual sensor performance and calculated estimates. Position, shape, and spectral discrimination of objects are evident in the images and will function as input to the autonomous vehicle for locating and classifying obstacles and terrain.