| 水稻病害图像预处理及其特征提取方法研究 |
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| 引用本文： | 路阳,关海鸥,赵斌,杨立.水稻病害图像预处理及其特征提取方法研究[J].农机化研究,2011,33(8). |
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| 作者姓名： | 路阳 关海鸥 赵斌 杨立 |
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| 作者单位： | 黑龙江八一农垦大学信息技术学院,黑龙江大庆,163319 |
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| 基金项目： | 黑龙江省教育厅科学技术研究项目(11551321); 大庆市科学技术计划项目(2009) |
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| 摘 要： | 采用计算机数字图像处理技术对水稻病害进行智能识别,并以叶鞘腐败病为例,研究了水稻病害智能识别图像预处理和特征提取的方法。试验中,利用灰度变换和中值滤波法有效去除了噪声,增强了图像;利用不同算子对病害进行边缘检测,准确地提取了病斑的几何特征,实现了病害图像目标分割。这一研究成果为特征参数的提取及最终病害确定打下基础。
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| 关 键 词： | 水稻病害 图像预处理 边缘检测 特征提取 目标分割 |
Study on the Method of Image Pre-processing and Feature Extraction for Rice Diseases |
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| Lu Yang,Guan Haiou,Zhao Bin,Yang Li.Study on the Method of Image Pre-processing and Feature Extraction for Rice Diseases[J].Journal of Agricultural Mechanization Research,2011,33(8). |
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| Authors: | Lu Yang Guan Haiou Zhao Bin Yang Li |
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| Institution: | Lu Yang,Guan Haiou,Zhao Bin,Yang Li (College of Information Science and Technology,Heilongjiang Bayi Agricultural University,Daqing 163319,China) |
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| Abstract: | Using computer digital image processing technology,rice diseases were identified intelligently,and taking sheath rot disease of rice as an example,the method of imagepre-processing and feature extraction for rice disease identification was studied.Gray-scale transformation and median filter methods were utilized to effectively eliminates noise and enhance the image.Geometric features of the disease spots were accurately extracted by using different operators to detect the edge of disease,then,achieve diseas... |
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| Keywords: | rice disease image pre-processing edge detection feature extraction object segmentation |
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