Fig. 4: Image processing results based on a bidirectional decoupled network.
From: Nonreciprocal surface plasmonic neural network for decoupled bidirectional analogue computing
a Image processing results of grayscale images with basic, Robert, and Prewitt operators. The network effectively enhances image contrast and extracts the edge features in the FP and the BP paths, respectively. b Image processing results of binary images. Only the BP path implements edge detection. c Frequency division multiplexing characteristics of the network. In the forward path, the network performs edge detection and image contrast enhanced at f1 and f2, respectively. The backward path is exactly the opposite.
