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

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