计算机科学 ›› 2017, Vol. 44 ›› Issue (8): 301-305.doi: 10.11896/j.issn.1002-137X.2017.08.052
张爱玲,李鹏,刘晟
ZHANG Ai-ling, LI Peng and LIU Sheng
摘要： 针对图像中的椒盐噪声消除问题,提出了一种基于粒子群算法的自适应开关中值滤波算法。提出的滤波器算法主要由两大阶段组成:噪声检测阶段和噪声滤除阶段。与标准中值滤波相比,提出的自适应开关中值滤波算法能够生成污染图像的噪波图。通过噪波图可以得到图像的污染和未污染像素信息。在滤除过程中,滤波器计算出未污染相邻像素的中值并且替换污染像素。仿真实验结果证实了所提算法的有效性,其能够有效地提高图像的峰值信噪比和图像质量；相比现有其他方法,所提算法的去噪效果更好。
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