Covert matches to graph

str = cv.FeaturesMatcher.matchesGraphAsString(pairwise_matches, conf_threshold)

Input

• pairwise_matches Pairwise matches.
• conf_threshold Threshold for two images are from the same panorama confidence.

Output

• str matches graph represented in DOT language. Labels description: Nm is number of matches, Ni is number of inliers, C is confidence.

Returns matches graph representation in DOT language.