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如何在 caffe 中使用 SigmoidCrossEntropyLoss 解决二元类问题?你能给我一个prototxt的例子吗?
您需要label每个训练样本的输入为零或一。除此之外
label
layer { name: "loss" type: "SigmoidCrossEntropyLoss" bottom: "predict1d" bottom: "label" top: "loss" }