April 2017
Intermediate to advanced
320 pages
7h 46m
English
Content preview from Deep Learning with TensorFlow
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Bidirectional RNNs
Bidirectional RNNs are based on the idea that the output at time t may depend on previous and future elements in the sequence. To realize this, the output of two RNN must be mixed--one executes the process in a direction and the second runs the process in the opposite direction.
The network splits neurons of a regular RNN into two directions, one for positive time direction (forward states), and another for negative time direction (backward states). By this structure, the output layer can get information from past and future states.
The unrolled architecture of B-RNN is depicted in the following figure:
Unrolled bidirectional ...
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