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. 2021 Jan 4;11(1):28. doi: 10.3390/jpm11010028

Table 3.

Description of AlexNet architecture (C—convolutional layer, P—Max pooling, FC—fully connected).

Layer Type Feature Map Size Kernel Size Stride Activation Function
Input Image 1 227×227×1 - - -
1 C 96 55×55×96 11×11 4 ReLU
P 96 27×27×96 3×3 2 -
2 C 256 27×27×256 5×5 1 ReLU
P 256 13×13×256 3×3 2 -
3 C 384 13×13×384 3×3 1 ReLU
4 C 384 13×13×384 3×3 1 ReLU
5 C 256 13×13×256 3×3 1 ReLU
P 256 6×6×256 3×3 2 -
6 FC - 9216 - - ReLU
7 FC - 4096 - - ReLU
8 FC - 4096 - - ReLU
Output FC - 4 - - Softmax