| // Copyright (c) 2022, ETH Zurich and UNC Chapel Hill. | |
| // All rights reserved. | |
| // | |
| // Redistribution and use in source and binary forms, with or without | |
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| // | |
| // Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de) | |
| namespace colmap { | |
| struct LineSegment { | |
| EIGEN_MAKE_ALIGNED_OPERATOR_NEW | |
| Eigen::Vector2d start; | |
| Eigen::Vector2d end; | |
| }; | |
| enum class LineSegmentOrientation { | |
| HORIZONTAL = 1, | |
| VERTICAL = -1, | |
| UNDEFINED = 0, | |
| }; | |
| // Detect line segments in the given bitmap image. | |
| std::vector<LineSegment> DetectLineSegments(const Bitmap& bitmap, | |
| const double min_length = 3); | |
| // Classify line segments into horizontal/vertical. | |
| std::vector<LineSegmentOrientation> ClassifyLineSegmentOrientations( | |
| const std::vector<LineSegment>& segments, const double tolerance = 0.25); | |
| } // namespace colmap | |
| EIGEN_DEFINE_STL_VECTOR_SPECIALIZATION_CUSTOM(colmap::LineSegment) | |