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医学图像边缘快速检测的模糊集方法

Keywords: 医学图像边缘检测,模糊子集组合,灰度直方图,灰度方差直方图

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Abstract:

为了简单有效地获得理想的医学图像边缘,进行医学诊断,提出了一种基于模糊子集组合的图像边缘检测方法.由于图像边缘的模糊性,在边缘检测过程中应用了模糊集运算方法:先将图像的灰度直方图划分成相应的几个不同的子区,并对与灰度方差直方图子区相应的模糊子集进行运算,综合运算结果,最终得到图像的边缘.文中实例及对几种方法的比较表明,提出的Fuzzy算子所得到的图像边缘优于Sobel算子和Prewitt算子时所得到的图像边缘.

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