I am trying to calibrate RaspiCam Fisheye lens camera with OpenCV. I am using Python example code and the cheesboard row and column numbers are also correct but somehow I ca
First at all, as far as I can see your camera has fisheye optics, but it doesn't give all the surface of fisheye image (usually it is a circle inside black frame). The second. The code you are using is for usual camera or wide angle (90-110 degrees) It's not for fisheye (~ 180 degrees). Third. You can use source code URL link from HERE