TY - RPRT TI - Retrospective shading correction based on entropy minimization. AU - B Likar AU - J B Maintz AU - M A Viergever AU - F Pernus PY - 2000 DO - 10.1046/j.1365-2818.2000.00669.x UR - https://pubmed.ncbi.nlm.nih.gov/10692132/ ID - 10692132 ER -