Transcription of A Fast Learning Algorithm for Deep Belief Nets
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A Fast Learning Algorithm for Deep Belief Nets
LETTERC ommunicated by Yann Le CunA fast Learning Algorithm for deep Belief NetsGeoffrey E. of Computer Science, University of Toronto, Toronto, Canada M5S 3G4 Yee-Whye of Computer Science, National University of Singapore,Singapore 117543We show how to use complementary priors to eliminate the explaining-away effects that make inference difficult in densely connected Belief netsthat have many hidden layers. Using complementary priors, we derive afast, greedy Algorithm that can learn deep , directed Belief networks onelayer at a time, provided the top two layers form an undirected associa-tive memory.
A Fast Learning Algorithm for Deep Belief Nets 1529 The inference required for forming a percept is both fast and accurate. The learning algorithm is local.
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