Keras Implementation of all major CNN Architectures Requirements NumPy >= 1.11.1 Keras >= 2.0 (Using TensorFlow in backend) Python >= 3.4 Available Architectures VGG 16 Inception V3 ResNet 50 DenseNet Inception V4 InceptionResnet V2 NASNet Steps In the first line Import the name of the model by using the import command and specifying the model name: for Resnet Specify the dir path of the training and validation dataset in the PATH and size of the image in sz and the batch size.