【摘 要】
：
为有效检测棉花中与棉纤维形态、色泽极其相似的异物,提出一种基于优化多光谱成像的异物检测新方法.在分析不同异物具有不同反射特性的基础上,在405~940 nm的波段范围内建立
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为有效检测棉花中与棉纤维形态、色泽极其相似的异物,提出一种基于优化多光谱成像的异物检测新方法.在分析不同异物具有不同反射特性的基础上,在405~940 nm的波段范围内建立优化多光谱成像系统.通过实验确定了用于检测多种异物的最佳检测波长及最佳光照强度,在不同的光照条件下获取不同的光谱图像,然后采用小波变换图像融合算法获取完整的异物图像特征.实验结果表明,两种波长405 nm和850 nm构成的多光谱图像融合可检测多种棉花异物,异物检测结果与实际相符.此方法为解决棉花异物检测难题提供了一种新的途径.
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