Algebraic Description of Curve Structure
IEEE Transactions on Pattern Analysis and Machine Intelligence
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The clues for discontinuous structural transformation in handwriting lie in deformation around singular points and stroke connections of handwriting. For designing an algorithm for automatic construction of structural models incorporating discontinuous transformations, we analyze systematically how global structures and features are changed by stroke connections. Based on the set of systematic laws of shape transformations, we design an algorithm for finding component correspondence between a pair of deformed patterns, and present an algorithm for automatic construction of structural models for unconstrained handwritten characters along with some examples. The proposed algorithm can generalize unconstrained handwritten characters into a small number of classes, and one class can represent various deformed patterns.