Abstract
A new circular scanning technique is proposed for rapid acquisition of 2D objects. The object is scanned in a circle centered at an arbitrary boundary point of the object. The resulting scan is matched to a set of prototypes obtained from scanning about closely spaced centers on the boundary of a model. Each successful match yields a possible rotation and translation mapping the model onto the object. The technique requires only 1D boundary detection and thereby obtains a relative speed advantage over many alternative techniques. Both pilot simulations and experiments on real image data are reported which support the utility of the technique.
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