D²-4DGS aligns monocular and multi-view depths, uses their agreement as verified anchors to guide densification, pruning, and depth supervision, and reports the best PSNR in all nine sparse-camera settings tested.
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D^2-4DGS: Dual-Depth Guided Sparse-Camera 4D Gaussian Splatting
D²-4DGS aligns monocular and multi-view depths, uses their agreement as verified anchors to guide densification, pruning, and depth supervision, and reports the best PSNR in all nine sparse-camera settings tested.