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MediaPipe hand tracking works for me and breaks for everyone else. How do you handle per-user calibration?

This story is from 2026-08-30. It is preserved in the archive; the latest stories are on the live feed.

I shipped a browser app driven by HandLandmarker. Pinch to zoom a solar system, open palm to rotate, point and dwell to select. One Euro Filter on the landmark stream, palm-normalized pinch distance. Three failures keep coming back: Pinch distance normalized by palm size still varies enough between…

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  1. 2026-08-30 13:16 · r/computervision
    MediaPipe hand tracking works for me and breaks for everyone else. How do you handle per-user calibration?

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