Image analysis – Histogram processing – For setting a threshold
Patent
1987-11-05
1990-05-08
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
356 12, 356379, 382 42, G06K 952
Patent
active
049245066
ABSTRACT:
A method for directly measuring the area of a topological surface with an arbitrary boundary shape lying in a fixed elevation different from a fixed surrounding surface elevation relies upon binocular stereo vision. Three stereo correlation measurements are made, one over a window entirely within the surface of interest, a second over a window outside the surface of interest and within the surrounding area, and a third over a window fully containing the surface of interest as well as some of the surrounding area. The correlation measured in the third case is the linear sum of the correlation value over each of the first two cases weighted by the proportion of the window that the two surfaces occupy.
REFERENCES:
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patent: 4573191 (1986-02-01), Kidode et al.
patent: 4654872 (1987-03-01), Hisano et al.
patent: 4685071 (1987-08-01), Lee
patent: 4693607 (1987-09-01), Conway
Crossley P. Anthony
Hunt Neil D.
Nishihara H. Keith
Boudreau Leo H.
Carroll David H.
Colwell Robert C.
Mancuso Joseph
Park Theodore S.
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