SART-Res-UNet: Fan Beam CT Image Reconstruction from Limited Projections using attention-enabled residual U-Net. - Harika Jinka; Jyothsna Shaji; Sangeeth John; Sreeraj R. Menon; Amalu Pradeep; P. B. Jayaraj; Pournami P. N; Niyas Puzhakkal (ACML, 2023)