Processing Images of Craters for Spacecraft Navigation
NASA’s Jet Propulsion Laboratory, Pasadena, California
Friday, March 12 2010
A crater-detection algorithm has been conceived to enable automation of what, heretofore, have been manual processes for utilizing images of craters on a celestial body as landmarks for navigating a spacecraft flying near or landing on that body. The images are acquired by an electronic camera aboard the spacecraft, then digitized, then processed by the algorithm, which consists mainly of the following steps:
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