Symbols are characterized by a collection of features that describe their shape. A new representation of such symbols based on their interior with the shapes considered as holes, termed a negative symbol, is described. A set of shape features used to characterize geographic symbols is presented. Note that the quality of the classification is the only factor that effects accuracy. OCR applications - Blue, Candela et al.
Negative shape features for image databases consisting of geographic symbols.
In 3rd International Workshop on Visual Form, Capri, Italy, May 1997. Negative shape features for image databases consisting of geographic symbols. In 3rd International Workshop on Visual Form, Capri, Italy, May 1997.