Vitiligo lesion segmentation — classical pipeline

MediaPipe face router → BiSeNet (face) / DeepLab (body) → Perona-Malik flatten → L* threshold → presence heuristic. Debug overlays always shown.

Input

Skin segmentation

Method

Face min confidence

mpm (anisotropic diffusion)

Enabled

gamma (κ)1.5

t (dt)500

Threshold

Mode

Percentile80

Manual L* (0-100)65

Mask shaping

Grow (dilate px)13

Open kernel3

Close kernel9

Min component %

Presence gate (verdict)

Min area %

Max area %

Min contrast (L*)2

Min bimodality η0.45

Result

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