NASA NTRS · 19860055768
A two-dimensional near-infrared tracking system
Abstract
Video tracking systems face the problem of discriminating between a target in space and the earth in the background. The visual tracking system described in this paper uses the near-infrared to take advantage of differences in spectral reflectance between the target and the earth in the background to enhance amplitude differences, simplifying the detection process. The real-time visual tracking system is microprocessor controlled, light weight, and low-power.
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Walton, D. P., Lipoma, P. C.. 1985-01-01. A two-dimensional near-infrared tracking system. https://ntrs.nasa.gov/citations/19860055768
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