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- Title
Invariant template matching with tangent vectors.
- Authors
Brendt Wohlberg; Kevin R. Vixie
- 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.
- Subjects
CHEMICAL templates; DIGITAL images; TIME dilation; COMPUTATION laboratories
- Publication
Optical Engineering, 2007, Vol 46, Issue 3, p37006
- ISSN
0091-3286
- Publication type
Article
- DOI
10.1117/1.2715984