Sigmoid

class dragon.vm.caffe.core.layers.Sigmoid(layer_param)[source]

Apply the sigmoid function.

The Sigmoid function is defined as:

\[\text{Sigmoid}(x) = \frac{1}{1 + \exp(-x)} \]

Examples:

layer {
  type: "Sigmoid"
  bottom: "rpn_cls_score"
  top: "rpn_cls_prob"
}