DFT of Simple Images
Sinusoidal
Left: Sine wave, Right: its DFT
Press
here
for a sequence of sinusoids with varying frequency
Rectangle
Left: small square, Right: its DFT
Press
here
for a sequence of rectangle with varying width: 1,2,4,8,16,32,64 and 128
Gaussian
Left: Gaussian, Right: its DFT
Press
here
for a sequence of rectangle with varying width standard deviation: 0.1,2,4,8,16,32,64 and 128
Impulses
Left: Impulses, Right: its DFT
Press
here
for a sequence of impulses with varying periods: 1,2,4,8,16,32,64 and 128
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