Describe the feature and motivation

Hello,
In practise in the vfx industry camera distortion is estimated using a single image that covers the entire vieuw.

THis is however not possible with OpenCv.
I wanted to have a go at implementing this paper, But i have lost the ability to read more advanced maths in non coded forms.

I was wondering if someone could implement this paper in openCV
https://arxiv.org/pdf/2403.01263

Additional context

https://arxiv.org/pdf/2403.01263

additional reasoning for single picture calibration in context of machine vision

there is a small lens distortion happening during focussing. also zooming obviously changes the lensdistortion.
If calibrations can be made by using a single image.

It gives better results and also allows you to create a map of how zoom / focus effects camera distortion which could allow the use of cheaper cameras that can zoom in over more expensive cameras that can`t zoom in but have a higher clarity and resolution.

additional rambeling

This doesn`t have to be ran every frame.
You can create an st map once and then use that to distort/re-distort.