Table 2 Comparison of diverse activation functions. ReLU showed the best accuracy.

From: Detection of Hepatocellular Carcinoma in Contrast-Enhanced Magnetic Resonance Imaging Using Deep Learning Classifier: A Multi-Center Retrospective Study

Activation function

Number of Epochs

Accuracy

LeakyReLU (0.1)a

37

84.2%

PReLUb

28

90.4%

ELU (0.1)c

73

91.6%

ReLUd

46

93.7%

  1. aLeakyReLU: leaky rectified linear function.
  2. bPReLU: parametric ReLU.
  3. cELU: exponential linear unit.
  4. dReLU: rectified linear unit.