Nonlinear All-Optical Diffractive Deep Neural Network with 10.6 μm Wavelength for Image Classification

Figure 9

(a) Accuracy rate and confusion matrix of the MNIST dataset by the neural network with the Leaky-ReLU function. (b) Accuracy rate and confusion matrix of the MNIST dataset by the PReLU function neural network. (c) Accuracy rate and confusion matrix of the MNIST dataset by the RReLU function neural network. (d) Accuracy rate and confusion matrix of the Fashion-MNIST dataset by the neural network with the Leaky-ReLU function. (e) Accuracy rate and confusion matrix of the Fashion-MNIST dataset by the PReLU function neural network. (f) Accuracy rate and confusion matrix of the Fashion-MNIST dataset by the RReLU function neural network.

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