Uniqueness of Solutions to Three Perspective Views of Four Points

Authors:
Robert J. Holt;Arun N. Netravali
Affiliations:
AT&T Bell Labs., Murray Hill, NJ;AT&T Bell Labs., Murray Hill, NJ
Venue:
IEEE Transactions on Pattern Analysis and Machine Intelligence
Year:
1995

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Abstract

We show that there is, in general, a unique solution for the relative orientation of three cameras simultaneously photographing four feature points on a fixed object. However, multiple solutions are possible, in rare cases, even when the four feature points are not coplanar.