采用OPENCV库来对图片进行按列依次进行FFT变换，并将结果保存。-The OPENCV library to FFT transform, according to orderly images and save the results.

This a Visual Studio project which FFT convert images to power spectral images. This program requires opencv 2.x.-This is a Visual Studio project which FFT convert images to power spectral images. This program requires opencv 2.x.