TY - RPRT TI - Grouped-coordinate ascent algorithms for penalized-likelihood transmission image reconstruction. AU - J A Fessler AU - E P Ficaro AU - N H Clinthorne AU - K Lange PY - 1997 DO - 10.1109/42.563662 UR - https://pubmed.ncbi.nlm.nih.gov/9101326/ ID - 9101326 ER -