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Hopfield network with constraint parameter adaptation for overlapped shape recognition
P N Suganthan1, E K Teoh, D P Mital
1Department of Computer Science and Electrical Engineering, University of Queensland, St. Lucia QLD 4072, Australia.
IEEE Transactions on Neural Networks
|February 7, 2008
Abstract:
In this paper, we propose an energy formulation for homomorphic graph matching by the Hopfield network and a Lyapunov indirect method-based learning approach to adaptively learn the constraint parameter in the energy function. The adaptation scheme eliminates the need to specify the constraint parameter empirically and generates valid and better quality mappings than the analog Hopfield network with a fixed constraint parameter. The proposed Hopfield network with constraint parameter adaptation is applied to match silhouette images of keys and results are presented.