A spatiotemporal Gaussian representation with a deformation network reconstructs 4D-CBCT from a 1-minute sparse-projection scan without prior images or explicit motion models.
Data-driven respiratory motion compensation for four -dimensional cone -beam computed tomography (4D -CBCT) using groupwise deformable registration,
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Spatiotemporal Gaussian Optimization for 4D Cone Beam CT Reconstruction from Sparse Projections
A spatiotemporal Gaussian representation with a deformation network reconstructs 4D-CBCT from a 1-minute sparse-projection scan without prior images or explicit motion models.