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ppwwyyxx avatar ppwwyyxx commented on June 3, 2024

OpenPano/src/stitch/transform_estimate.cc

Lines 185 to 199 in d1a4ace

auto overlap = overlap_region(shape1, shape2, homoM, inv);
float r1m = inliers.size() * 1.0f / get_match_cnt(overlap, true);
if (r1m < INLIER_IN_MATCH_RATIO) return false;
float r1p = inliers.size() * 1.0f / get_keypoint_cnt(overlap, true);
if (r1p < 0.01 || r1p > 1) return false;
Matrix invM = inv.to_matrix();
overlap = overlap_region(shape2, shape1, invM, homo);
float r2m = inliers.size() * 1.0f / get_match_cnt(overlap, false);
if (r2m < INLIER_IN_MATCH_RATIO) return false;
float r2p = inliers.size() * 1.0f / get_keypoint_cnt(overlap, false);
if (r2p < 0.01 || r2p > 1) return false;
print_debug("r1mr1p: %lf,%lf, r2mr2p: %lf,%lf\n", r1m, r1p, r2m, r2p);
info->confidence = (r1p + r2p) * 0.5;

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GenaWang avatar GenaWang commented on June 3, 2024

@ppwwyyxx
Thanks for your reply. What does the confidence in the MatchInfo mean? If I want to use the Surf Match. How can I compute the value of the confidence?

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ppwwyyxx avatar ppwwyyxx commented on June 3, 2024

Confidence: the feeling or belief that one can rely on someone or something.

In this context: the feeling or belief that one can rely on the match.

It is computed in the above code.

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