Fourier transform for image processing, see the image of the power spectrum, and the power spectrum after Butterworth high-pass, low-pass and high-pass Gaussian low-pass filter of the image after power spectrum, and then restore the power spectrum of the image.

应用傅立叶变换进行图像处理
..........................\1.jpg
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..........................\Freq.m
..........................\picture.gif
..........................\test2.m
..........................\应用傅立叶变换进行图像处理.doc

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