Synthetic ground truth for 3D reconstruction: 3,879 Unreal Engine frames, 35.7 million points, and the error I found in my own depth

Every frame my Unreal Engine capture plugin renders comes with a depth map in metres and the camera's pose and intrinsics. I wanted to see how far that gets you with no reconstruction algorithm at all, so I fused 13 captures straight from those files: lift every pixel with its depth, place it with…

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1. 2026-09-26 18:24 · r/computervision
   Synthetic ground truth for 3D reconstruction: 3,879 Unreal Engine frames, 35.7 million points, and the error I found in my own depth