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非致冷红外热像仪信号处理系统的设计与研究

Design and Research of Signal Processing System for Uncooled Infrared Thermal Imager

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【作者】 赵正辉李宇刘恒辉

【Author】 ZHAO Zheng-hui,LI Yu,LIU Heng-hui (School of Electronical Information Engineering,Wuhan University of Science and Engineering,Wuhan 430073,China)

【机构】 武汉科技学院电子信息工程学院

【摘要】 基于红外图像处理系统实时、大容量的特点,设计了一种基于FPGA&ARM的非致冷红外热像仪模块化硬件平台,并在FPGA硬件上实现了用于红外图像非均匀性校正的软件算法,同时通过用FPGA的门阵列资源在内部配置FIFO和双口RAM,解决了采集模块、处理模块与控制模块的实时通信问题。实际应用证明,该系统稳定,集成度较高,通用性很强。

【Abstract】 According to the large capacity and real-time features of an infrared image processing system, a modularized uncooled infrared thermal imaging hardware platform based on FPG&ARM is designed. The algorithm for correcting the non-uniformity in an infrared image is implemented on the FPGA.At the same time,the real-time communication problem among an acquisition module,a processing module and a control module is solved by using the gate array resource to configure a FIFO and a dual-port RAM.Practical applications show that the system is stable,high integrated and universal.

【关键词】 FPGAFIFO双口RAM非均匀性校正
【Key words】 FPGAFIFOdual-port RAMNUC
  • 【分类号】TN219
  • 【被引频次】9
  • 【下载频次】218
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