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wolterlw / hand_tracking

Minimal Python interface for Google's Mediapipe HandTracking pipeline

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How to reduce false positive?

edwardnguyen1705 opened this issue · comments

commented

Hi, thank you for sharing your code. I have been trying to change the threshold (even to 0.95) to eliminate false positive, buy it did not help.

hand_tracking/hand_tracker.py

Line 125 in 0cccb81

detecion_mask = self._sigm(out_clf) > 0.7

Have anyone had the same situation? Or any suggestion is greatly appreciated.

commented

I believe the regressor also outputs a confidence score, so you can filter using it as well. This still leaves you with added costs of processing the false positives, but there’s no easy fix for it.