GSFixer: Improving 3D Gaussian Splatting with Reference-Guided Video Diffusion Priors
Xingyilang Yin, Qi Zhang, et al.
tl;dr: 2D semantic (from DINOv2)+3D geometric (from VGGT) tokens from input viewsโvideo diffusion modelโartifact-prone novel views; reference trajectory samplingโangular coverage and restoration quality