August 2018
Intermediate to advanced
272 pages
7h 2m
English
book
Hands-On Convolutional Neural Networks with TensorFlow
by Iffat Zafar, Giounona Tzanidou, Richard Burton, Nimesh Patel, Leonardo Araujo
Content preview from Hands-On Convolutional Neural Networks with TensorFlow
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Substituting the 3x3 convolution
It's also possible to simplify the 3x3 convolution with a mechanism called a bottleneck. Similar to earlier, this will have the same representation of a normal 3x3 convolution, but with less parameters and more non-linearities.
The bottleneck works by replacing a 3x3 convolution layer with C filters with the following:
- A 1x1 convolution with C/2 filters
- A 3x3 convolution with C/2 filters
- A 1x1 convolution with C filters
An example in action is given here:
From this example, we will calculate the number of parameters to show the reduction this bottleneck has. We get the following:
This is less ...
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