How to calculate the fundamental matrix for stereo vision

Question

I\'m trying to write some code that will calculate the fundamental matrix to determine the relationship between stereo images. I started with the Hartley and Zisserman book that

Answer 1

Note that the Fundamental matrix is defined up to a constant factor (you can verify that quite easily, by checking the epipolar constraint). Try multiplying the OpenCV matrix with -8.0574e-04 and you'll see that the two matrices are quite similar in the end :-)

Thus, your result is probably fine. The slight difference between the results is probably due to the fact that OpenCV employs a different (probably more robust) approach than the 8-point algorithm.