Share Email Print

Optical Engineering

Invariant object recognition under three-dimensional rotations and changes of scale
Author(s): Sebastien Roy; Henri H. Arsenault; Daniel Lefebvre
Format Member Price Non-Member Price
PDF $20.00 $25.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

Research on object recognition invariant under out-of-plane rotations has so far yielded limited results. The problem becomes even more complex when in addition scale changes must also be taken into account. We develop a new object recognition method invariant to translations, rotations, changes of pose, and scale. The method is based on angular wedge sampling about the centroid of the object, yielding translation-, rotation-, and scale-invariant features. A modified feature space trajectory classifier is used to obtain out-of-plane rotation invariance. The method is successfully tested on models of military land vehicles and is optically implementable.

Paper Details

Date Published: 1 March 2003
PDF: 9 pages
Opt. Eng. 42(3) doi: 10.1117/1.1543158
Published in: Optical Engineering Volume 42, Issue 3
Show Author Affiliations
Sebastien Roy, Univ. of Montreal (Canada)
Henri H. Arsenault, Univ. Laval (Canada)
Daniel Lefebvre, Univ. Laval (Canada)

© SPIE. Terms of Use
Back to Top