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7 September 2006 Photometric signature inversion
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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.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Brandoch Calef, John Africano, Brian Birge, Doyle Hall, and Paul Kervin "Photometric signature inversion", Proc. SPIE 6307, Unconventional Imaging II, 63070E (7 September 2006); https://doi.org/10.1117/12.683015
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