Exercise:Self-Taught Learning

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(Step Two: Train the sparse autoencoder)
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===Step Two: Train the sparse autoencoder===
===Step Two: Train the sparse autoencoder===
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Next, we will train the unlabeled dataset on the sparse autoencoder, using the same <tt>sparseAutoencoderCost.m</tt> function from the previous assignments. (Use the frameworks from previous assignments to ensure that your code is working and vectorized.) The training step should take less than 20 minutes (on a reasonably fast computer). When it is completed, a visualization of pen strokes should be displayed.
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Next, we will train the unlabeled dataset on the sparse autoencoder, using the same <tt>sparseAutoencoderCost.m</tt> function from the previous assignments. (Use the frameworks from previous assignments to ensure that your code is working and vectorized.) The training step should take less than 25 minutes (on a reasonably fast computer). When it is completed, a visualization of pen strokes should be displayed.
[[File:selfTaughtFeatures.png]]
[[File:selfTaughtFeatures.png]]

Revision as of 05:06, 7 May 2011

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