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High-Error Trackers

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โ€ŒHigh-Error Trackers

To be a high-error tracker, a tracker must meet either of two criteria:

๏‚ท the percentage of a trackerโ€™s lifespan that consists of bad frames must be over a threshold, or


๏‚ท the average hpix RMS error over the lifespan of the tracker, as appears for the tracker on the Coordinate panel, must be over a threshold.

The percentage threshold appears to the right of the high-error trackers line as usual. The hpix error threshold appears underneath it, to the right of the Unsolved/Behind category, an otherwise empty space because that category requires no thresholds.

As an example of the first criterion, consider a tracker that is visible for 20 frames. However, 8 of those frames are โ€œbad framesโ€ as defined for that category. The percentage of bad frames is 8 out of 20, or 40%, and at the standard threshold of 30% the tracker would be considered high-error and eligible for deletion. Typically such trackers have switched to an adjacent nearby feature for a substantial portion of their lifespan.

ยฉ2026 Boris FX, Inc.ย โ€”ย UNOFFICIALย โ€”ย Converted from original PDF.


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