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Are units of square and marker side length significant in calibrate_camera_charuco

asked 2017-07-12 19:37:44 -0500

I see that in the usage string for calibrate_camera_charuco, the units of the sl (square side length) and ml (marker side length) parameters were changed from "pixels" to "meters" in May 2016. Do the units of these parameters really matter or just the ratio of the values? (e.g. would -sl=300 and -ml=240 give the same results as -sl=0.2375 and -ml=0.19?)

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answered 2017-07-13 12:57:26 -0500

I did a test and the two sets of values for sl and ml gave effectively equal results. (They differed beyond three decimal places.) So it looks like it's just the ratio of the values that is significant.

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Not exctly because when you calibrate your camera real values are used : 0.2375 means 0.2375mm

LBerger gravatar imageLBerger ( 2019-03-14 05:41:43 -0500 )edit

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Asked: 2017-07-12 19:37:44 -0500

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Last updated: Jul 13 '17