NASA NTRS · 19790000016
Improving low-illumination video
Abstract
Nonmoving TV pictures are improved by electronic system that removes much of the "snow" or random noise in image. System integrates and averages picture elements in real time and thereby allows easier and more accurate evaluation of image, visually and by computer.
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Sapirstein, R. L.. 1979-08-01. Improving low-illumination video. https://ntrs.nasa.gov/citations/19790000016
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