神经形态工程学
计算机科学
灵活性(工程)
灵敏度(控制系统)
材料科学
光电子学
人工智能
电子工程
人工神经网络
工程类
数学
统计
作者
Qian‐Bing Zhu,Bo Li,Dandan Yang,Deshun Sun,Shun Feng,Maolin Chen,Yun Sun,Yanan Tian,Xin Su,Xiaomu Wang,Song Qiu,Qingwen Li,Xiaoming Li,Haibo Zeng,Hui‐Ming Cheng,Dongming Sun
标识
DOI:10.1038/s41467-021-22047-w
摘要
Abstract The challenges of developing neuromorphic vision systems inspired by the human eye come not only from how to recreate the flexibility, sophistication, and adaptability of animal systems, but also how to do so with computational efficiency and elegance. Similar to biological systems, these neuromorphic circuits integrate functions of image sensing, memory and processing into the device, and process continuous analog brightness signal in real-time. High-integration, flexibility and ultra-sensitivity are essential for practical artificial vision systems that attempt to emulate biological processing. Here, we present a flexible optoelectronic sensor array of 1024 pixels using a combination of carbon nanotubes and perovskite quantum dots as active materials for an efficient neuromorphic vision system. The device has an extraordinary sensitivity to light with a responsivity of 5.1 × 10 7 A/W and a specific detectivity of 2 × 10 16 Jones, and demonstrates neuromorphic reinforcement learning by training the sensor array with a weak light pulse of 1 μW/cm 2 .
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