二维快速傅立叶变换 This document introduces the techniques

Title: 二维快速傅立叶变换

Description: This document introduces the techniques of fast Fourier transform and gives a source code in C for computing 2D FFT on image data.

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fft4f2d.c
fft4f2d.f
fft4f2dt.c
fft4f2dt.f
fft4g.c
fft4g.f
fft4g2d.c
fft4g2d.f
fft4g2dt.c
fft4g2dt.f
readme2d.txt
shrtdct.c
shrtdctt.c

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