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Eltwise层的操作有三个:product(点乘), sum(相加减) 和 max(取大值),其中sum是默认操作。假设输入(bottom)为A和B,如果要实现element_wise的A+B,即A和B的对应元素相加,prototxt文件如下:
layer
{
name: "eltwise_layer"
type: "Eltwise"
bottom: "A"
bottom: "B"
top: "diff"
eltwise_param {
operation: SUM
}
}
如果实现A-B,则prototxt为:
layer
{
name: "eltwise_layer"
type: "Eltwise"
bottom: "A"
bottom: "B"
top: "diff"
eltwise_param {
operation: SUM
coeff: 1
coeff: -1
}
}
参考博客http://blog.csdn.net/laingliang/article/details/55048937