ceres-solver-v1 / colmap /src /optim /support_measurement.cc
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// Copyright (c) 2022, ETH Zurich and UNC Chapel Hill.
// All rights reserved.
//
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// Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)
#include "optim/support_measurement.h"
namespace colmap {
InlierSupportMeasurer::Support InlierSupportMeasurer::Evaluate(
const std::vector<double>& residuals, const double max_residual) {
Support support;
support.num_inliers = 0;
support.residual_sum = 0;
for (const auto residual : residuals) {
if (residual <= max_residual) {
support.num_inliers += 1;
support.residual_sum += residual;
}
}
return support;
}
bool InlierSupportMeasurer::Compare(const Support& support1,
const Support& support2) {
if (support1.num_inliers > support2.num_inliers) {
return true;
} else {
return support1.num_inliers == support2.num_inliers &&
support1.residual_sum < support2.residual_sum;
}
}
MEstimatorSupportMeasurer::Support MEstimatorSupportMeasurer::Evaluate(
const std::vector<double>& residuals, const double max_residual) {
Support support;
support.num_inliers = 0;
support.score = 0;
for (const auto residual : residuals) {
if (residual <= max_residual) {
support.num_inliers += 1;
support.score += residual;
} else {
support.score += max_residual;
}
}
return support;
}
bool MEstimatorSupportMeasurer::Compare(const Support& support1,
const Support& support2) {
return support1.score < support2.score;
}
} // namespace colmap