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Proceedings Paper

Characterization of generic light sources
Author(s): Warren M. Krueger
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Paper Abstract

The purpose of this note is to describe the degenerate critical point behavior of illumination functions as function of light direction and to use this description to characterize the set of light source directions whose image intensities have no degenerate critical points. A relationship, the accidental axis theorem, between certain degeneracies and the intrinsic geometry of the scene is established.

Paper Details

Date Published: 20 October 1997
PDF: 7 pages
Proc. SPIE 3168, Vision Geometry VI, (20 October 1997); doi: 10.1117/12.279670
Show Author Affiliations
Warren M. Krueger, DePaul Univ. (United States)


Published in SPIE Proceedings Vol. 3168:
Vision Geometry VI
Robert A. Melter; Angela Y. Wu; Longin Jan Latecki, Editor(s)

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