Residual Gaussian Splatting decomposes the volume into a geometric base and a residual detail component to preserve high-frequency details in ultra sparse-view CBCT without violating physical non-negativity constraints.
Prior image constrained compressed sensing (PICCS): A method to accurately reconstruct dynamic CT im- ages from highly undersampled projection data sets
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Residual Gaussian Splatting for Ultra Sparse-View CBCT Reconstruction
Residual Gaussian Splatting decomposes the volume into a geometric base and a residual detail component to preserve high-frequency details in ultra sparse-view CBCT without violating physical non-negativity constraints.