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基于多结构元广义形态滤波的改进算法
王刚
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【摘要】为对采用相同结构元的形态闭-开和形态开-闭这两种滤波器进行改进，采用了不同结构元的广义形态闭-开和形态开-闭滤波器。在此基础上，将一种新的结构元运用到广义形态滤波中，提出了一种滤波新算法。理论分析和图像处理仿真实验表明，该类滤波新算法既能有效地滤除噪声，又可充分保留原图像的细节信息。
关 键 词 非线性滤波; 形态滤波; 广义形态滤波; 混合噪声
The close-opening or open-closing filter based on the morphological filter with the same size structuring element cannot remove all the positive or negative impulse noise effectively. To improve the performance of these two kinds of filter, the generalized close-opening and open-closing filter based on the morphological filter with the different size structuring element are put forward. Based on the generalized morphological filter, this paper suggests a kind of designing project of the filter that applies a new structuring element to the generalized morphological filter. The theory analysis and the simulation experiments of the image processing indicate that this kind of filter can not only remove noise effectively but also keep the details of the image sufficiently.
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