The center y error of the calibration of a single RGB camera is too large

[CNSTJiatongLee]

When I use kalibr_calibrate_cameras --topics /camera/rgb/image_raw --bag data.bag --models pinhole-radtan
to calibrate the monocular rgb camera, I get a wrong center y. The image resolution is [1280, 720] . The intrinsics is [818.04722, 818.07404, 640.211278, 462.83350] and the reproduction error is [0.391431, 0.288629]. Even though I set the initial projection to [810, 810, 640, 360], the final result is still wrong.

[mhyoosefian]

Hi,

What do you mean by 'wrong'? i.e., how can you conclude that the result is wrong? Given the relatively high resolution of your images, the reprojection error seems reasonable. However, I recommend using MATLAB/ OpenCV for calibration and comparing the results.

Regards, Mohammad

[ishipachev]

It looks like it calibrated to correct values for 1280 х 920 images. What is the resolution of your images? Are you sure that it wasn't cropped?

[goldbattle]

Feel free to reopen the issue if needed.