用于图像分类的卷积神经网络中激活函数的设计
王红霞,周家奇,辜承昊,林泓

Design of activation function in CNN for image classification
Hong-xia WANG,Jia-qi ZHOU,Cheng-hao GU,Hong LIN
图 6 softplus和softsign的导数曲线对比图
Fig.6 Curve of softplus and softsign’s derivative