Near-Sensor Neuromorphic Computing System Based on a Thermopile Infrared Detector and a Memristor for Encrypted Visual Information Transmission

IF 9.6 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2025-05-06 DOI:10.1021/acs.nanolett.5c01843

Zheng Wang, Jinhao Zhang, Zhenyu Zhang, Jialin Meng, Cheng Lei, Tianyu Wang

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Abstract

Near-sensor neuromorphic computing systems that utilize photodetectors and memristors exhibit significant promise in the domains of visual information processing, transmission, and noise reduction recognition. In comparison to conventional photodetectors operating within the visible-light spectrum, thermopile infrared detectors offer distinct advantages in terms of concealment and security. This study proposes an integrated near-sensor computing system that combines a thermoelectric infrared detector with a memristor, which demonstrates a broad detection range (100–310 °C), rapid response time for sensing infrared signals, and excellent neuromorphic computing characteristics for information processing. Besides high-accuracy recognition of handwritten digits, near-infrared visual information recognition and voice recognition for double information encryption were demonstrated in the system. This neuromorphic computing system holds considerable potential for applications in the propagation, encryption, and recognition of security information within the infrared spectrum.

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基于热电堆红外探测器和忆阻器的近传感器神经形态计算系统加密视觉信息传输

利用光电探测器和忆阻器的近传感器神经形态计算系统在视觉信息处理、传输和降噪识别领域显示出巨大的前景。与传统的可见光范围内的光电探测器相比，热电堆红外探测器在隐蔽性和安全性方面具有明显的优势。本研究提出了一种集成的近传感器计算系统，该系统结合了热电红外探测器和忆阻器，具有较宽的检测范围（100-310°C），对红外信号的传感响应时间快，以及信息处理的优异神经形态计算特性。该系统除实现手写体数字的高精度识别外，还实现了近红外视觉信息识别和双信息加密语音识别。这种神经形态计算系统在红外光谱安全信息的传播、加密和识别方面具有相当大的应用潜力。

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.