Fig. 2: The principle of AI D2NN.
From: Anti-interference diffractive deep neural networks for multi-object recognition

a Limitations of traditional D2NN when solving multi-object classification tasks and dynamic object classification tasks. b The proposed AI D2NN is capable of performing six-class classification of handwritten digits (0–5) in the presence of multiple moving undesired objects. c Training schematic of AI D2NN