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Need advice for a monocular box dimensioning pipeline. High reprojection error (1.8px) with iPhone ChAruCo calibration.

This story is from 2026-09-01. It is preserved in the archive; the latest stories are on the live feed.

I’m trying to calibrate my iPhone camera using a ChAruCo board. Even though I’m familiar with the concepts, this is my first time actually implementing them. I’ve already built a pipeline and ran the calibration using nearly 40 photos of the ChAruCo board taken from various angles. However, I can’t…

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  1. 2026-09-01 04:55 · r/computervision
    Need advice for a monocular box dimensioning pipeline. High reprojection error (1.8px) with iPhone ChAruCo calibration.

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