Otsu多阈值算法推广实现Otsu multi-threshold promotion and realization of Otsu multi-threshold segmentation method
刘立,焦斌亮,刘钦龙
摘要(Abstract)：
遥感图像处理中的地物分割是分析和解译遥感图像的必要环节。本文分析了Otsu算法进行阈值分割的原理和有效性,针对Otsu多阈值分割算法计算效率低的缺点,提出了用Nelder-Mead单纯形法对Otsu的多阈值分割进行优化。将优化的Otsu算法与传统方法进行了比较,从理论分析和实验结果来看,此方法不仅能获得与传统方法分割一致的结果,而且应用到大尺寸遥感图像的多阈值分割中大大提高了分割效率。
关键词(KeyWords)： 图像分割;多阈值;遥感图像;Otsu算法;Nelder-Mead
基金项目(Foundation): 河北省教育厅基金:星载CCD相机高分辨率成像技术研究(课题编号:2007143)
作者(Author): 刘立,焦斌亮,刘钦龙
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