DFT of Simple Images

Left: Sine wave, Right: its DFT

Press here for a sequence of sinusoids with varying frequency

Left: small square, Right: its DFT

Press here for a sequence of rectangles with varying width: 1,2,4,8,16,32,64 and 128

Left: Gaussian, Right: its DFT

Press here for a sequence of gaussians with varying width standard deviation: 0.1,2,4,8,16,32,64 and 128

Left: Impulses, Right: its DFT

Press here for a sequence of impulses with varying periods: 1,2,4,8,16,32,64 and 128