Deblurring Subject to Nonnegativity Constraints when Known Functions are Present, with Application to Object-Constrained Computerized Tomography.
Donald L. SnyderJoseph A. O'SullivanBruce R. WhitingRyan J. MurphyJasenka BenacJ. Adam CataldoJeffrey F. WilliamsonPublished in: IEEE Trans. Medical Imaging (2001)