未验证 提交 2c1270e4 编写于 作者: K kexinzhao 提交者: GitHub

fix maxout op latex equation (#6303)

上级 458ffbf4
......@@ -40,23 +40,28 @@ class MaxOutOpMaker : public framework::OpProtoAndCheckerMaker {
"the number of channels divided by groups.."
)DOC");
AddComment(R"DOC(
Assumed the input shape is (N, Ci, H, W).
The output shape is (N, Co, H, W). Then `Co = Ci / groups`.
MaxOut Operator.
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
Assumed the input shape is (N, Ci, H, W).
The output shape is (N, Co, H, W).
Then $Co = Ci / groups$ and the operator formula is as follows:
Please refer to Paper:
$$
y_{si+j} = \max_k x_{gsi + sk + j} \\
g = groups \\
s = \frac{input.size}{num\_channels} \\
0 \le i < \frac{num\_channels}{groups} \\
0 \le j < s \\
0 \le k < groups
$$
Please refer to Paper:
- Maxout Networks: http://www.jmlr.org/proceedings/papers/v28/goodfellow13.pdf
- Multi-digit Number Recognition from Street View \
Imagery using Deep Convolutional Neural Networks: \
https://arxiv.org/pdf/1312.6082v4.pdf
)DOC");
)DOC");
}
};
......
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