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A full-stack AR photogrammetry pipeline that reconstructs real-world objects into 3D models using COLMAP and serves them as interactive, AR-ready GLB files via a FastAPI web server. Captured images are filtered, reconstructed into a sparse point cloud, meshed, colorized, and exported for viewing in-browser with 360° rotation. Scan a QR code .
Estimate a camera's exact 3D position (lat/lon/altitude) from a single photograph using known landmarks. Combines OpenCV PnP with a custom PyTorch gradient-descent solver (perspective-invariant angle/distance/area loss) for geolocation, camera pose estimation, and photogrammetry, running in Google Colab.