Multiple camera image stitching

Question

I\'ve been running a project of stitching images from multiple cameras, but I think I\'ve got a bottleneck...I have some questions about this issue.

I wanna try to

Answer 1

As Chris written:

However, your points are not restricted to a specific plane as they are 
imaging a 3D scene. If you wanted to calibrate offline, you could image 
a chessboard with both cameras, and the detected corners could be used
in this function.

Calibrate offline means that you use some callibration pattern easy to detect. Then compute transformation matrix. After this calibration you apply this (previously computed) matrix to acquired images ,it should work for you.