Transcription of Extracting and Composing Robust Features with Denoising ...
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Extracting and Composing Robust Features with Denoising ...
Extracting and Composing Robust Features with DenoisingAutoencodersPascal e de Montr eal, Dept. IRO, CP 6128, Succ. Centre-Ville, Montral, Qubec, H3C 3J7, CanadaAbstractPrevious work has shown that the difficul-ties in learning deep generative or discrim-inative models can be overcome by an ini-tial unsupervised learning step that maps in-puts to useful intermediate introduce and motivate a new trainingprinciple for unsupervised learning of a rep-resentation based on the idea of making thelearned representations Robust to partial cor-ruption of the input pattern. This approachcan be used to train autoencoders, and thesedenoising autoencoders can be stacked to ini-tialize deep architectures.
trained with contrastive divergence on one hand, and ... the average reconstruction error: ... 1The approach we describe and our analysis is not spe-cific to a particular kind of corrupting noise. towards reconstructing the uncorrupted version from …
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