CODEWITHSUNDEEP
pythonopencvcomputer-visionransac
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iohn

Reputation: 113

Why does OpenCV findEssentialMat return different size for E?

I'm using the OpenCV findEssentialMat function which uses Nister's five point algorithm to estimate the essential matrix given two vectors of corresponding points. For some reason the matrix E I get changes size. It's either a matrix with 6, 12 or 18 rows. I assume that each 3 rows together is one potential solution for the essential matrix and that I have to use RANSAC to check the distance and find the best inliers, but why does the number of essential matrix's change?

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