代码:
layer {
name: "loss_2"
type: "SigmoidCrossEntropyLoss"
bottom: "score_2"
bottom: "label"
top: "loss_2"
loss_weight: 0.1
}
SigmoidCrossEntropyLossLayer的输入bottom[0],bottom[1],其中bottom[0]是输入的预测的结果,bottom[1]是标签值。bottom的维度都是(N×C×H×W)(N×C×H×W),bottom的表示符号是x,bottom[1]是p∈[0,1]