Result: Neocognitron trained by winner-kill-loser with triple threshold
Faculty of Informatics, Kansai University, Takatsuki, Osaka 569-1095, Japan
Center for Computational Neuroscience and Neural Technology, Boston University, Boston, MA 02215, United States
CC BY 4.0
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Psychology. Ethology
FRANCIS
Further Information
The neocognitron is a hierarchical, multi-layered neural network capable of robust visual pattern recognition. The neocognitron acquires the ability to recognize visual patterns through learning. The winner-kill-loser is a competitive learning rule recently shown to outperform standard winner-take-all learning when used in the neocognitron to perform a character recognition task. In this paper, we improve over the winner-kill-loser rule by introducing an additional threshold to the already existing two thresholds used in the original version. It is shown theoretically, and also by computer simulation, that the use of a triple threshold makes the learning process more stable. In particular, a high recognition rate can be obtained with a smaller network.