Backpropagating the 3D Gaussian Splatting color loss into camera parameters, with an L2 loss, focal-length training, and a Hessian-based reparameterization, raises average PSNR by 0.4 dB over COLMAP calibration on reference scenes.
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Adam SLAM - the last mile of camera calibration with 3DGS
Backpropagating the 3D Gaussian Splatting color loss into camera parameters, with an L2 loss, focal-length training, and a Hessian-based reparameterization, raises average PSNR by 0.4 dB over COLMAP calibration on reference scenes.