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. 2023 Sep 15;9(37):eadi5104. doi: 10.1126/sciadv.adi5104

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Copyright © 2023 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 1. — (A) Schematic of human visual system consisting retina and brain visual cortex. (B) A complete neuromorphic visual system involving front-end in-sensor computing and back-end in-memory computing. (C) Schematic of sensory networks based on core-sheath SWNT@GDY nanotubes. The middle and right panels show the structure and high-resolution transmission electron microscopy image of the core-sheath SWNT@GDY nanotube. Scale bar, 5 nm. (D) Photograph, optical microscopy, and scanning electron microscopy images of a 3 × 3 × 3 sensor array divided into three kernels. Scale bars (left to right), 50, 2, and 1 μm, respectively.