| Another use of contrastive divergence |
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| • | CD is an
efficient way to learn Restricted |
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| Boltzmann
Machines. |
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| • | But it can also
be used for learning other types |
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| of energy-based
model that have multiple |
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| hidden layers. |
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| • | Methods very
similar to CD have been used for |
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| learning
non-probabilistic energy-based models |
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| (LeCun,
Hertzmann). |
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