LiDAR-Free 4D Reconstruction Project
bilawalsidhu · x · 2026-07-15
A project named Project IronSight used 2D video from Ray-Bans, a GoPro, and an iPhone to perform 4D reconstruction of a shooting range and create a "Terminator view" replay, entirely without LiDAR or an IMU.
The author detailed the pipeline, which includes audio waveform synchronization, SAM3 masking, COLMAP solving, 3D Gaussian Splatting, and using Gemini as a hit/miss determiner. The video also showcases the complete process and its chapter structure.
Related event: Project IronSight: 4D Scene Reconstruction Without LiDAR(2 posts)→
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