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Just want to add that using data from a game engine gives you perfect camera poses associated to each image. That makes training of nerfs and GS a little easier
by affgrff2 3y ago
Just want to add that using data from a game engine gives you perfect camera poses associated to each image. That makes training of nerfs and GS a little easier since there is no error from camera pose optimization. That's also the reason early Nerf papers used the famous yellow Lego excavator rendered with blender.
- MrSkyNet 3y agoHow so? Through pixel perfect alignment? Resolution?
- arussellsaw 3y agoone of the fundamental problems in photogrammetry is determining the position of the camera in 3D space, with a game engine you just have a concrete value for your camera position, removing that entire problem. I don't know too much about photogrammetry but i'd imagine once your camera position is 100% accurate it's a lot easier to construct the point cloud accurately.