How can the parameters of the calibrated fisheye camera model in matlab and opencv be converted to each other?

as far as i know, Computer Vision Toolbox calibration algorithm uses the fisheye camera model proposed by Scaramuzza , while opencv library uses the fisheye model by Juho Kannala and Sami Brandt. If I have already calibrated the fisheyeIntrinsic parameters in the cv toolbox, how do I convert them into the corresponding opencv 4 polynomial coefficients and the intrinsic camera matrix?（and vice versa）your answer would be greatly appreciate!

Note: since Matlab R2021b，TMW has introduced cameraIntr​insicsFrom​OpenCV, cameraIntr​insicsTo​OpenCV ,etc functions,but these functions are only for pinhole cameras, not fisheye large aberration camera models

[jose daniel hoyos giraldo]

I'm requiring the same thing, any advance?

Thanks

[cui,xingxing]

@jose daniel hoyos giraldo thank for your interesting,I intend to write a mutual conversion function myself, then I will share it to FEX, remember to follow

[jose daniel hoyos giraldo]

Thx! If can share it here when you do it, would be great.

[cui,xingxing]

@jose daniel hoyos giraldo I have implemented a small feature that allows you to use the OpenCV fisheye distortion model parameters directly in matlab to de-distort，please refer these.

1 、opencv fisheye image distortion matlab implementation

2、How to fit fisheye image distortion coefficients using deep learning?

3、How to get distortion coefficients from fisheye calibration result?