Extended Data Fig. 2: Visualizations of input and output results of FFM learning in NLOS tasks under different signal intensities with sCMOS sensor. | Nature

Extended Data Fig. 2: Visualizations of input and output results of FFM learning in NLOS tasks under different signal intensities with sCMOS sensor.

From: Fully forward mode training for optical neural networks

Extended Data Fig. 2

Even below the 1 photon/pixel regime, the FFM still achieved classification accuracies of 94.5%. On the contrary, the ANN methods completely failed to classify and produced around 50% accuracies with less than around 7 photons/pixel.

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