提交 f9aba446 编写于 作者: Q qingqing01 提交者: GitHub

Merge pull request #2771 from emailweixu/maxout

Update comments of maxout_layer
...@@ -1253,9 +1253,9 @@ def pooling_layer(input, ...@@ -1253,9 +1253,9 @@ def pooling_layer(input,
If stride > 0, this layer slides a window whose size is determined by stride, If stride > 0, this layer slides a window whose size is determined by stride,
and return the pooling value of the window as the output. Thus, a long sequence and return the pooling value of the window as the output. Thus, a long sequence
will be shorten. will be shorten.
The parameter stride specifies the intervals at which to apply the pooling The parameter stride specifies the intervals at which to apply the pooling
operation. Note that for sequence with sub-sequence, the default value operation. Note that for sequence with sub-sequence, the default value
of stride is -1. of stride is -1.
...@@ -4805,6 +4805,14 @@ def maxout_layer(input, groups, num_channels=None, name=None, layer_attr=None): ...@@ -4805,6 +4805,14 @@ def maxout_layer(input, groups, num_channels=None, name=None, layer_attr=None):
So groups should be larger than 1, and the num of channels should be able So groups should be larger than 1, and the num of channels should be able
to devided by groups. to devided by groups.
.. math::
y_{si+j} = \max_k x_{gsi + sk + j}
g = groups
s = input.size / num_channels
0 \le i < num_channels / groups
0 \le j < s
0 \le k < groups
Please refer to Paper: Please refer to Paper:
- Maxout Networks: http://www.jmlr.org/proceedings/papers/v28/goodfellow13.pdf - Maxout Networks: http://www.jmlr.org/proceedings/papers/v28/goodfellow13.pdf
- Multi-digit Number Recognition from Street View \ - Multi-digit Number Recognition from Street View \
......
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