Department of Radiology;
Stony Brook University;
Stony Brook;
NY 11794;
USA;
Institute of Image Processing and Pattern Recognition;
Xi’an Jiaotong University;
Xi’an 710049;
Shanxi;
China;
Departments of Radiology;
Biomedical Engineering;
Computer Science;
and Electrical Engineering;
Stony Brook University;
Stony Brook;
NY 11794;
USA;
Tissue texture; Spectral computed tomography; Lesion classification; Machine learning; Bayesian reconstruction;