1 | initial version |
More points is good, although it will likely take longer to run. Just add them to your input vector and call the function as normal.
The default parameters for the findEssentialMat function is to use RANSAC to remove outliers from the estimation. So if you have one point that is far off a correct match, it will have little to no effect on the results, but only if you have more than 5 points so that another can be used.