Nonlinear Deviation CorrecTion for Ring-Artifact Removal With Cone-Beam Computed Tomography. - Xiaodong Guo; Weiwen Wu; Xiaojiao Duan; Haijun Yu; Dingyue Chang; Peng He 002; Jue Wang; Rifeng Zhou; Yu Du; Kang An 004 (IEEE Trans. Instrum. Meas., 2022)