Optical Tomographic Image Reconstruction Based on Beam Propagation and Sparse Regularization. - Ulugbek S. Kamilov; Ioannis N. Papadopoulos; Morteza H. Shoreh; Alexandre Goy 001; Cédric Vonesch; Michael Unser; Demetri Psaltis (IEEE Trans. Computational Imaging, 2016)