add new Activation function: selu #6969
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add new Activation function : selu
#read paper to know more detail:
Self-Normalizing Neural Networks:https : //arxiv.org/abs/1706.02515
#discussion:
https://www.reddit.com/r/MachineLearning/comments/6g5tg1/r_selfnormalizing_neural_networks_improved_elu/
#usage:
just like relu:
model.add(Dense(64, activation='relu'))
---model.add(Dense(64, activation='selu'))
experiment on mnist:(run keras-master\examples\mnist_cnn.py):
with relu:
Test loss: 0.025632923909
Test accuracy: 0.9915
replace relu in network with selu:
Test loss: 0.052635348707
Test accuracy: 0.9837