| 嵌入式FBG图像解调系统噪声特性分析及处理 |
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| 引用本文： | 鲍吉龙,吴都健,郑德春,何仲昆.嵌入式FBG图像解调系统噪声特性分析及处理[J].传感技术学报,2008,21(1):92-96. |
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| 作者姓名： | 鲍吉龙 吴都健 郑德春 何仲昆 |
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| 作者单位： | 宁波工程学院电子与信息工程学院,浙江,宁波,315016;宁波工程学院电子与信息工程学院,浙江,宁波,315016;华东理工大学信息科学与工程学院,上海,200237 |
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| 基金项目： | 浙江省宁波市自然科学基金 |
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| 摘 要： | 随着嵌入式技术的迅猛发展,利用嵌入式处理器构建FBG图像解调系统实现大量传感数据的实时、实地快速处理成为可能.分析了嵌入式FBG图像解调系统光斑图像特性,提出基于邻域平均与距离变换相结合的二次空域去噪算法,实验结果表明,二次去噪算法继承了邻域平均和距离变换的优点,用该算法对FBG解调系统光斑图像去噪,并联立光斑定位算法解调FBG光斑,解调精度不超过0.2像素,解调结果十分理想.
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| 关 键 词： | FBG解调 嵌入式系统 图像去噪 邻域平均 距离变换 |
| 文章编号： | 1004-1699(2008)01-0092-05 |
| 修稿时间： | 2007年6月13日 |
The analysis and processing of noise based on the embedded Fiber Bragg Grating image demodulate system |
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| BAO Ji-Long WU Du-Jian,ZHENG De-Chun HE Zhong-Kun.The analysis and processing of noise based on the embedded Fiber Bragg Grating image demodulate system[J].Journal of Transduction Technology,2008,21(1):92-96. |
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| Authors: | BAO Ji-Long WU Du-Jian ZHENG De-Chun HE Zhong-Kun |
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| Affiliation: | 1 Ningbo University of Technology, College of Electronic and Information Engineering,Ningbo 315016,China;
2 East China University of Science and Technology, School of Information Science and Engineering, Shanghai 200237, China; |
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| Abstract: | With the fast development of embedded technology, the Fiber Bragg Grating (FBG) image demodulate system designed through the embedded microprocessor make it possible to implement real-time and fast processing of a large number of sensory data. This article analyzing the characteristics of FBG image captured by the embedded Fiber Bragg Grating (FBG) image demodulate system, presents a second-denoising algorithm unified neighborhood average and distance transform in spatial domain. The experimental results show that using this second-de-noising algorithm inheriting the advantages of neighborhood average and distance transform in image de-noising, error of location between light spots would be less than 0.2 pixels, and the demodulate results are satisfactory in the embedded Fiber Bragg Grating image demodulate system. |
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| Keywords: | demodulation of Fiber Bragg Grating embedded system image de-noising neighborhood average distance transforms |
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