October 2018
Intermediate to advanced
246 pages
6h 26m
English
Content preview from Machine Learning Projects for Mobile Applications
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Pooling layer
Another process that makes processing capability efficient is called pooling. In the pooling layer, larger images are pushed to shrink in size while keeping the information in them. This is done by sliding a window across the image and taking the maximum value in each window. In a typical pooling layer, a window of 2 or 3 pixels works on a side, but taking steps of 2 pixels also works:
After the pooling layer, the image size will be reduced by one quarter of what it was. This maintains the maximum value from each window. It also preserves the best feature inside every window. This step means that it doesn't care whether the feature ...
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