| 小波变换在基于图像处理的金免疫层析测定中的应用 |
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| 引用本文： | 姜海燕,杜民. 小波变换在基于图像处理的金免疫层析测定中的应用[J]. 福州大学学报(自然科学版), 2011, 39(2): 222-226 |
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| 作者姓名： | 姜海燕 杜民 |
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| 作者单位： | 福州大学电气工程与自动化学院;福建省医疗器械和医药技术重点实验室;福州大学物理与信息工程学院; |
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| 基金项目： | 科技部国际合作资助项目(2009DFA32050); 福建省自然科学基金资助项目(2009J012802009J01281); 福建省教育厅科研资助项目(JB08019) |
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| 摘 要： | 采用小波变换软阈值法有效去除试条图像噪声,根据小波分解后的系数重构图形定位GICA的光谱信号突变点的位置,提取试条光谱特性曲线的特征参量.采用BP神经网络对特征参量与浓度之间的多变量非线性函数关系进行建模,HCG试条测定结果表明,该测定方法相对误差符合要求,适用于GICA的定量测定.
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| 关 键 词： | 定量测试 小波变换 HCG GICA |
Application of wavelet transform in image processing of gold immunochromatographic strip quantitative test |
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| JIANG Hai-yan,DU Min. Application of wavelet transform in image processing of gold immunochromatographic strip quantitative test[J]. Journal of Fuzhou University(Natural Science Edition), 2011, 39(2): 222-226 |
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| Authors: | JIANG Hai-yan DU Min |
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| Affiliation: | JIANG Hai-yan1,3,DU Min2,3(1.College of Electrical Engineering and Automation,Fuzhou University,Fuzhou,Fujian 350108,China,2.College of Physics and Information Engineering,3.Fujian Key Lab of Medical Instrumentation and Pharmaceutical Technology,China) |
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| Abstract: | This thesis uses wavelet soft-threshold denoising to preprocess the strip image.According to the analysis of maximum module of wavelet transform coefficients and their orientation in different scales,the breaking points of signals could be determined accurately by the wavelet transform and the useful characteristic parameters were extracted.By the training for the back-propagation neural network,the multivariables nonlinearity relationship between the HCG concentration and characteristic parameters is estab... |
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| Keywords: | quantitative test wavelet transform human chorionic gonadotropin gold immunochromatographic assay |
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