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Research questionCan internal photogrammetric validation certify metric accuracy without external survey or control-point measurements?A reconstruction can be internally geometrically consistent while still containing coherent global distortion. This makes metric correctness difficult to establish when external survey or control-point measurements are unavailable.
Computer Vision
Evaluation & Benchmarks
Image & Video Processing
Latest papersRecent research connected to this question, newest first.Hold-Out Self-Validation Cannot Certify Photogrammetric Accuracy: Saturation and Blindness to Coherent DistortionThe evidence concerns a track-leakage-free hold-out protocol in which withheld views are re-localised against 3D points supported by retained images. Across GNSS-referenced captures and public reconstruction datasets, the protocol detected some failed or fragmented models but remained highly confident for substantially distorted reconstructions and did not reliably rank successful ones.research paper · Sep 3, 2026
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