低功耗非制冷红外图像处理专用SoC芯片
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中国科学院半导体研究所 超晶格实验室

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中图分类号:

TN492

基金项目:

国家重点研发计划(2019YFB2204303);国家自然科学基金(U20A20205)


Low power application specific SoC chip for uncooled infrared image processing
Author:
Affiliation:

State Key Laboratory for Supperlattices and Microstructures,Institute of Semiconductors,Chinese Academy of Sciences

Fund Project:

National Key R&D Program of China (No.2019YFB2204303), the National Natural Science Foundation of China (No.U20A20205)

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    摘要:

    非制冷红外成像技术具有非常广泛的应用前景。但是,目前非制冷红外成像芯片存在非均匀校正、图像细节增强和条纹噪声等亟待解决的问题。论文提出并设计一种面向非制冷红外成像的图像处理专用SoC芯片,芯片集成了一个CPU、两个DSP处理器和一个红外图像处理专用加速器,单芯片可实现非制冷低功耗红外图像的非均匀校正、图像滤波、直方图均衡、数字图像细节增强、条纹消除和目标检测跟踪等实时图像处理。同时,研究开发了面向芯片应用的非制冷低功耗红外图像处理算法。采用65nm CMOS工艺实现了非制冷红外图像专用处理SoC芯片,实现了基于非制冷红外成像芯片和图像处理SoC芯片的小型低功耗非制冷红外成像系统。测试结果表明成像系统可以实现清晰的非制冷红外成像、目标检测及目标跟踪等功能,系统功耗小于2W,体积相比传统的系统减小了50%,满足对体积、功耗、性能要求比较高的系统的应用需求,具有较高的工程应用价值和前景。

    Abstract:

    Uncooled infrared imaging technology has a very broad application prospect. However, there are some urgent problems to be solved, such as nonuniformity correction, image detail enhancement and stripe noise. This paper proposes and designs a special SoC chip for image processing for uncooled infrared imaging. The chip integrates a CPU, two DSP processors and a special accelerator for infrared image processing. A single chip can realize real-time image processing such as nonuniformity correction, image filtering, histogram equalization, digital image detail enhancement, stripe elimination and target detection and tracking. At the same time, research and development of uncooled low-power infrared image processing algorithms for chip applications. The 65nm CMOS process is used to realize the special processing SoC chip for uncooled infrared images, and a small and low-power uncooled infrared imaging system based on the uncooled infrared imaging chip and the image processing SoC chip is realized. The test results show that the imaging system can realize functions such as clear uncooled infrared imaging, target detection and target tracking. The power consumption of the system is less than 2W, and the volume is reduced by 50% compared with the traditional system. It meets the application requirements of systems with high requirements for volume, power consumption and performance, and has high engineering application value and prospect.

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  • 收稿日期:2022-04-09
  • 最后修改日期:2022-06-06
  • 录用日期:2022-06-09
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