Title :
A novel continuous-time neural network for realizing associative memory
Author :
Tao, Qing ; Fang, Tingjian ; Qiao, Hong
Author_Institution :
Hefei Inst. of Intelligent Machines, Acad. Sinica, Hefei, China
fDate :
3/1/2001 12:00:00 AM
Abstract :
A novel neural network is proposed in this paper for realizing associative memory. The main advantage of the neural network is that each prototype pattern is stored if and only if as an asymptotically stable equilibrium point. Furthermore, the basin of attraction of each desired memory pattern is distributed reasonably (in the Hamming distance sense), and an equilibrium point that is not asymptotically stable is really the state that cannot be recognized. The proposed network also has a high storage as well as the capability of learning and forgetting, and all its components can be implemented. The network considered is a very simple linear system with a projection on a closed convex set spanned by the prototype patterns. The advanced performance of the proposed network is demonstrated by means of simulation of a numerical example
Keywords :
asymptotic stability; content-addressable storage; neural nets; Hamming distance; associative memory realization; asymptotically stable equilibrium point; attraction basin; closed convex set; continuous-time neural network; forgetting; learning; linear system; prototype pattern storage; prototype patterns; Artificial neural networks; Associative memory; Hamming distance; Learning systems; Linear systems; Network synthesis; Neural networks; Numerical simulation; Pattern recognition; Prototypes;
Journal_Title :
Neural Networks, IEEE Transactions on