A quantitative analysis of breast densities using cone beam CT images. - Ricardo Betancourt Benítez; Ruola Ning; David Conover; Shaohua Liu (Computer-Aided Diagnosis, 2009)

Image quality improvement based on wavelet regularization for cone beam breast CT (CBBCT). - Dong Yang; Ruola Ning; Xiaohua Zhang; Ricardo Betancourt; Shaohua Liu (Image Processing, 2009)