基于分数阶滤波器的遥感图像处理
DOI: 10.6046/gtzyyg.2011.01.09, PP. 48-51
Keywords: 分数阶微积分,FIR,数字滤波器,WLS误差准则,遥感
Abstract:
?在研究分数阶微积分的基础上,提出了一种基于WLS误差准则的滤波方法,该滤波器的系数可通过调节其阶次来改变;给出了该滤波器的原理,分析了其幅频特性。通过用Riemann-Liouville定义验证,并将此滤波器运用于遥感图像处理,结果表明,该方法在抗干扰和提取更多细节方面取得了很好的平衡,具有较好的滤波效果。
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