The param between dewarper and cv2

Gaming and Visualization Technologies XR – VR/AR/MR CloudXR (VR and AR Streaming)
1

I use “ret, mtx, dist, rvecs, tvecs = cv2.calibrateCamera(obj_points, img_points, size, None, None) ” get mtx，dist，but dewarper only have dist and focal- leng, what should I do to match the param between cv2 and dewarper

2

This is in the wrong forum.