Title :
Phase Oscillatory Network and Visual Pattern Recognition
Author :
Follmann, Rosangela ; Macau, Elbert E. N. ; Rosa, Epaminondas ; Piqueira, Jose R. C.
Author_Institution :
Polytech. Sch., Dept. of Telecommun. & Control Eng., Univ. of Sao Paulo, Sao Paulo, Brazil
Abstract :
We explore a properly interconnected set of Kuramoto type oscillators that results in a new associative-memory network configuration, which includes second- and third-order additional terms in the Fourier expansion of the network´s coupling. Investigation of the response of the network to different external stimuli indicates an increase in the network capability for coding and information retrieval. Comparison of the network output with that of an equivalent experiment with subjects, for recognizing perturbed binary patterns, shows comparable results between the two approaches. We also discuss the enhanced storage capacity of the network.
Keywords :
content-addressable storage; encoding; information retrieval; pattern recognition; Fourier expansion; Kuramoto type oscillators; associative-memory network configuration; coding; external stimuli; information retrieval; network coupling; perturbed binary pattern recognition; phase oscillatory network; second-order additional terms; storage capacity; third-order additional terms; visual pattern recognition; Couplings; Eigenvalues and eigenfunctions; Information retrieval; Neurons; Oscillators; Pattern recognition; Visualization; Associative memory; information processing; phase oscillator; synchronization;
Journal_Title :
Neural Networks and Learning Systems, IEEE Transactions on
DOI :
10.1109/TNNLS.2014.2345572