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Update pooling.py #40841

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merged 2 commits into from Nov 23, 2020
Merged

Update pooling.py #40841

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Updated pooling.py
tonyychen Jun 25, 2020
a093e16
Updated pooling.py
tonyychen Jun 26, 2020
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5 changes: 3 additions & 2 deletions tensorflow/python/keras/layers/pooling.py
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Expand Up @@ -338,10 +338,11 @@ class MaxPooling2D(Pooling2D):
window defined by `pool_size` for each dimension along the features axis.
The window is shifted by `strides` in each dimension. The resulting output
when using "valid" padding option has a shape(number of rows or columns) of:
`output_shape = (input_shape - pool_size + 1) / strides)`
`output_shape = math.floor((input_shape - pool_size) / strides) + 1`
(when input_shape >= pool_size)

The resulting output shape when using the "same" padding option is:
`output_shape = input_shape / strides`
`output_shape = math.floor((input_shape - 1) / strides) + 1`

For example, for stride=(1,1) and padding="valid":

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