Although the filtering method in frequency domain can solve the time variant filtering problem based on Fourier transform, the method may appear a false anomaly in conjunct part between Windows.
频率域滤波方法虽然可解决时变滤波问题，但这种方法是基于傅里叶变换，在窗口与窗口之间的接合部位会出现假异常。
This process of image processing of some geometric transformation, filtering, time-domain transform both airspace source, is a very good program, in the hope that useful to everybody!
这个程序对图像处理中的一些几何变换，滤波，空域时域变换都有源码，是个很好的程序，希望对大家有用！
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