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基于边缘检测和噪声去除的遥感阴影检测算法

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摘要 在C_3通道阴影检测算法中,C_3通道影像噪声较多且其阴影区域边界模糊,在检测一些低饱和度的地物信息时并不稳定.为解决此算法的不足,规范化了C_3通道分量,增强了影像对比度,并使得边界更加清晰.针对遥感影像阴影特征,改进了Laplacian边缘检测算子,在完成边缘检测的同时较好地去除了影像中的噪声.综合这两个方面的改进,给出了一种融合C_3通道和改进Laplacian边缘检测算子的阴影检测算法.仿真及评估结果表明,该算法提高了阴影检测的正确率,并且降低了将非阴影检测为阴影的错误率,方法简单有效.
作者 田原
出处 《电子技术与软件工程》 2015年第23期98-99,共2页 ELECTRONIC TECHNOLOGY & SOFTWARE ENGINEERING
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