cv::cuda::solvePnPRansac VS cv::solvePnPRansac

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Hi,

I have a doubt about the different results that cv::solvePnPRansac and cv::cuda::solvePnPRansac give on the same images. In particular, I am referring at the default behaviour (i.e. calling the SOLVEPNP_ITERATIVE method). I can deduce that another method to solve PnP has been implemented for the CUDA version of this function. Which one in particular?

It would be nice to have more information on the theme and if there is some way to chose the solver even using CUDA (like for the classic version), since there is no information on the official documentation.

Thank you