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Proceedings Paper

Photometric signature inversion
Author(s): Brandoch Calef; John Africano; Brian Birge; Doyle Hall; Paul Kervin
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Paper Abstract

We explore the problem of reconstructing a 3-d model of a convex object from unresolved time-series photometric measurements (i.e., lightcurves). The problem is broken into three steps. First, the lightcurves are used to recover the albedo-area density of the object as a function of the surface normal. The ill-posedness of this inversion is considered and a suitable regularization scheme proposed. Second, the albedo and area contributions are separated using either transits or additional measurements at different wavelengths. Finally, the Minkowski problem is solved to produce the 3-dimensional shape corresponding to the area density.

Paper Details

Date Published: 7 September 2006
PDF: 10 pages
Proc. SPIE 6307, Unconventional Imaging II, 63070E (7 September 2006); doi: 10.1117/12.683015
Show Author Affiliations
Brandoch Calef, Boeing LTS (United States)
John Africano, Boeing LTS (United States)
Brian Birge, Boeing LTS (United States)
Doyle Hall, Boeing LTS (United States)
Paul Kervin, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 6307:
Unconventional Imaging II
Victor L. Gamiz; Paul S. Idell; Marija S. Strojnik, Editor(s)

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