A multiplicative up-propagation algorithm

@inproceedings{Ahn2004AMU,
  title={A multiplicative up-propagation algorithm},
  author={Jong-Hoon Ahn and Seungjin Choi and Jong-Hoon Oh},
  booktitle={ICML},
  year={2004}
}
We present a generalization of the nonnegative matrix factorization (NMF), where a multilayer generative network with nonnegative weights is used to approximate the observed nonnegative data. The multilayer generative network with nonnegativity constraints, is learned by a multiplicative uppropagation algorithm, where the weights in each layer are updated in a multiplicative fashion while the mismatch ratio is propagated from the bottom to the top layer. The monotonic convergence of the… CONTINUE READING
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