Research map / Learning theory and algorithms / Combinatorial and search optimization
Radial Distortion Triangulation
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Minimize reprojection error in distorted image space rather than undistorted image space | Two-view triangulation with radial distortion · Checkerboard, medium and wide FOV | mean 3D error (mm): 0.5005 -> 0.4712; 1.4032 -> 1.1967 | Helped |
| Minimize reprojection error in distorted image space rather than undistorted image space | Two-view triangulation with radial distortion · Checkerboard, medium and wide FOV | mean reprojection error (px): 0.1211 -> 0.1205; 0.1902 -> 0.1853 | Helped |
| Use distorted-space triangulation when distortion calibration is exact | ITD versus IT [25] · Checkerboard, 0% distortion error | mean 3D error (mm): 0.0794 -> 0.0793; 0.1020 -> 0.1013 | No clear effect |
| Use distorted-space triangulation for points near image borders | ITD versus IT [25] · Synthetic data, top 5% most distorted points | mean 3D error (mm): 0.1339 -> 0.1319; 0.2314 -> 0.2162 | Helped |
| Use Newton root refinement from λ = 0 instead of fully solving the quartic (ablation) | ITD · Radial distortion triangulation | runtime (ns): 1190 -> 141 | Helped |
| Use Newton root refinement from λ = 0 instead of fully solving the quartic (ablation) | ITD · Radial distortion triangulation | million points/second: 0.84 -> 7.1 | Helped |
| Iteratively update the corrected distorted points while enforcing the epipolar constraint | ITD · Synthetic data | convergence to global optimum | Helped |
Closest papers by meaning
- PRaDA: Projective Radial Distortion Averaging (CVPR 2025 · similarity 0.87)
- A Quasiconvex Formulation for Radial Cameras (CVPR 2021 · similarity 0.87)
- Radially-Distorted Conjugate Translations (CVPR 2018 · similarity 0.86)
- Minimal Perspective Autocalibration (CVPR 2024 · similarity 0.83)
- Three-view Focal Length Recovery From Homographies (CVPR 2025 · similarity 0.83)
- Camera Resection from Known Line Pencils and a Radially Distorted Scanline (CVPR 2025 · similarity 0.82)
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