A striking visualization of the 2D discrete Fourier transform, plus an interactive version
CSProfKGD · x · 2026-09-23
The author shared a "visualization of the day": an animated demo of the 2D discrete Fourier transform (DFT), intuitively showing how an image is decomposed and reconstructed in the frequency domain. A follow-up adds an interactive webpage version for hands-on exploration.
Related event: Interactive Visualization of 2D Discrete Fourier Transform Goes Viral(2 posts)→
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