A Deep Boltzmann Machine (DBM) is a three-layer generative model. It is similar to a Deep Belief Network, but instead allows bidirectional connections in the bottom layers. Its energy function is as an extension of the energy function of the RBM:
$$ E\left(v, h\right) = -\sum^{i}_{i}v_{i}b_{i} - \sum^{N}_{n=1}\sum_{k}h_{n,k}b_{n,k}-\sum_{i, k}v_{i}w_{ik}h_{k} - \sum^{N-1}_{n=1}\sum_{k,l}h_{n,k}w_{n, k, l}h_{n+1, l}$$
for a DBM with $N$ hidden layers.
Source: On the Origin of Deep Learning
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Task | Papers | Share |
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Retrieval | 3 | 14.29% |
Information Retrieval | 2 | 9.52% |
General Classification | 2 | 9.52% |
Benchmarking | 1 | 4.76% |
Deep Learning | 1 | 4.76% |
Medical Image Analysis | 1 | 4.76% |
Reinforcement Learning | 1 | 4.76% |
Reinforcement Learning (RL) | 1 | 4.76% |
Denoising | 1 | 4.76% |
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