NASA NTRS · 19750003562
Bone mineral computation with a rectilinear scanner
Abstract
A portable rectilinear transmission scanner and associated computerized data reduction techniques for estimating bone mineral content are described. This unit can be easily disassembled for transport to various measurement sites and has been used to estimate the bone mineral content of the os calcis, radius, and ulna in the Apollo and Skylab astronauts. The scanner is used to obtain multiple rows of data from which a bone profile is derived. Bone edges are determined with the aid of a digital computer program which employs an algorithm that determines the greatest rate of change of the counting rate.
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Ullman, J., Brown, S., Silverstein, A., Vogel, J. M.. 1974-01-01. Bone mineral computation with a rectilinear scanner. https://ntrs.nasa.gov/citations/19750003562
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