Management of graphical symbols in a CAD environment: A neural network approach

A new neural network called AUGURS is designed to assist a user of a computer-aided design package in utilizing standard graphical symbols. AUGURS is similar to the Zipcode Net by Le Cun et al. (1989, 1990) in its encoding of transformation knowledge into its network structure, but is much more compact and efficient. The experiments compare AUGURS with two versions of the Zipcode Net and a traditional layered feedforward network with an unconstrained structure. The experimental results show that AUGURS can recognize a user-drawn symbol with better accuracy and plausibility than the other networks with the least amount of recognition time when the number of training examples is limited.