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Visual Computing for Industry, Biomedicine, and Art
Fig. 5 | Visual Computing for Industry, Biomedicine, and Art

Fig. 5

From: Advanced 4-dimensional cone-beam computed tomography reconstruction by combining motion estimation, motion-compensated reconstruction, biomechanical modeling and deep learning

Fig. 5

Comparison between the fine details in the CBCT images reconstructed by the FDK, ART-TV, SMEIR and SMEIR-Bio techniques, by using the “Ground-truth” 4D-CT reference phase image for evaluation. All CBCT reconstructions used 40 projections per phase, which were simulated from the “Ground-truth” images. FDK: Feldkamp-Davis-Kress; ART-TV: Algebraic reconstruction technique with total variation-regularization; SMEIR: Simultaneous motion estimation and image reconstruction; CBCT: Cone-beam computed tomography; SMEIR-Bio: Biomechanical modeling-guided SMEIR

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