1 Install Opencv

2 compile(Linux/Mac OS)

In Linux there may be some problem with the fisheye::stereoRectify

mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make

#3 Add your calibration parameters to stereo_camera.yml. Attention: if you use matlab calibration tools, Just remember that the camera intrinsic matrix in matlab is transpose of the normal camera intrinsic matrix. Other parameters can be copied to stereo_camera.yml #4 Run

./fisheye_rectify ../stereo_camera.yml ../images/l.png ../images/r.png