Fisheye/Wide-Angle lens Calibration in OpenCV

Question

I know the default OpenCV Calibration systems model a Pinhole camera, but I\'m working with a system using extremely wide FOV lens (187-degrees). If there any existing way to d

Answer 1

There is a good reason why people don’t use wide angle lenses much - when images are undistorted, the resulting image is highly non-rectangular and the quality on the edges is so bad that the image needs to be cropped back to… 90 deg FOV. So the question is, why don’t just use 90 deg FOV lens on the first place? The situation gets even worse with stereo cameras and image rectification.

If you really need to have wide FOV use several cameras or rotating camera. Here are some examples: PointGrey Inc.