Invariant template matching with tangent vectors

Brendt E. Wohlberg; Kevin Vixie

doi:10.1117/1.2715984

1 March 2007 Invariant template matching with tangent vectors

Brendt E. Wohlberg, Kevin Vixie

Author Affiliations +

Optical Engineering, Vol. 46, Issue 3, 037006 (March 2007). https://doi.org/10.1117/1.2715984

Abstract

Template matching is the search for a known object, represented by a template image, at an arbitrary location within a larger image. The local measure of match is often desired to be invariant to certain transforms, such as rotation and dilation, of the template. Although a variety of solutions have been proposed, most are designed to provide invariance to a specific transform or set of transforms, and often involve significant computational demands. When invariance to "small" transformations of the template (e.g., rotation by a small angle) is sufficient, local linear approximations to these transforms may be used to allow template matching with invariance to arbitrary transforms, without significantly increased computational requirements.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Brendt E. Wohlberg and Kevin Vixie "Invariant template matching with tangent vectors," Optical Engineering 46(3), 037006 (1 March 2007). https://doi.org/10.1117/1.2715984

Published: 1 March 2007

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