Turing Patterns by blurring and sharpening an image

bilinear downsample → upsample → unsharp mask · Turing patterns
Live

Iterative blur & sharpen · grayscale

Each step: bilinear downsample by factor → upsample back (blur) → apply unsharp mask (sharpen). Noise injected every step.

current · drag to inject noise
0
Steps
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RMS Δ
ITERS / SECOND 30
DOWNSAMPLE FACTOR 0.25
small → fine patterns · large → coarse patterns
UNSHARP RADIUS 2.0
UNSHARP STRENGTH 1.50
NOISE AMP 0.010
Press Run. Repeated blur–sharpen cycles at a fixed scale nucleate Turing-like patterns.