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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Wake-sleep algorithm ： ウィキペディア英語版 Wake-sleep algorithm The wake-sleep algorithm is an unsupervised learning algorithm for a stochastic multilayer neural network. The algorithm adjusts the parameters so as to produce a good density estimator. There are two learning phases, the “wake” phase and the sleep “sleep” phase, which are performed alternately. It was first designed as a model for brain functioning using Variational Bayesian Learning. After that, the algorithm was adapted to machine learning. It can be viewed as a way to train a Helmholtz Machine == Description == The wake-sleep algorithms is visualized as a stack of layers containing representations of data. Layers above represent data from the layer below it. Actual data is placed below the bottom layer, causing layers on top of it to become gradually more abstract. Between each pair of layers there is a recognition weight and generative weight, which are trained to improve reliability during the algorithm runtime. The wake-sleep algorithm is convergent and can be stochastic if alternated appropriately. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Wake-sleep algorithm」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.