基于FPGA的红外热成像温度检测算法研究
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1.上海理工大学光电信息与计算机工程学院 上海 200093; 2.许继集团有限公司 许昌 461000

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TN211

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Research oninfrared thermal imaging temperature detection algorithm based on FPGA
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1. School of OpticalElectrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; 2. XUJI Group Corporation, Xuchang 461000, China

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    摘要:

    以非制式冷红外焦平面技术为基础的非制冷式热成像仪以其价格低、体积小的优势,在非接触式测温领域得到广泛的应用。目前市面上的热成像仪对温差的识别非常敏感,但是无法通过从热成像仪获得的电信号数据得知目标的具体温度。而能够进行非接触式测温的成品热成像仪不仅价格高昂,而且保密的封装使得二次开发的难度较大。基于以上问题,本文搭建基于FPGA和MATALB的热成像系统,得到了一种温度检测算法的获取方法。通过该实验方法来取得由电信号转换为具体温度的算法及其关键系数。实验结果表明,该温度算法的误差较小,在温度测量预警系统有较强的工程意义。

    Abstract:

    The thermal imager based on uncooled infrared focal plane technologyis widely used in the field of noncontact temperature measurement with its low price and small size. The current thermal imagers can detect different temperaturebut it hard to obtain the specific temperature of the targets. Besides, the thermal imagerswhich has completely packaged is expensive and hard to redevelop. Based on these problems, a thermal imaging system was built based on FPGA and MATLAB,a method to obtain the temperature detection algorithm was provided in this paper. This method can obtain the electrical signal to specific temperature algorithm and its key coefficient. The experimental results show the error of the temperature algorithm is so small that it has a strong engineering significance for temperature detection warning systems.

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梁凯,易映萍,唐春晖,魏卓.基于FPGA的红外热成像温度检测算法研究[J].电子测量技术,2017,40(10):238-242

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  • 在线发布日期: 2017-12-05
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