Fig. 3: Sensing, memory, and contrast enhancement functions of neuro-inspired optical sensor array. | Nature Communications

Fig. 3: Sensing, memory, and contrast enhancement functions of neuro-inspired optical sensor array.

From: Neuro-inspired optical sensor array for high-accuracy static image recognition and dynamic trace extraction

Fig. 3: Sensing, memory, and contrast enhancement functions of neuro-inspired optical sensor array.

a Measured training weight map of the 10 × 10 sensor array for input letter “H” with 60 successive light pulses. b Decay behavior of photocurrent triggered by different light intensity. c Pre-processed images with highlighted target letter “H”. d Schematic diagram of constructed artificial vision system. e Comparison of image before and after pre-processing. f Recognition accuracies of the vision system with and without NbS2/MoS2 sensor array model for image pre-processing.

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