[1] Univ Massachusetts Lowell, Imaging & Informat Lab, Dept Elect & Comp Engn, Lowell, MA USA
[2] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Inst Image Proc & Pattern Recognit IPPR, Xian 710049, Peoples R China
[3] Rensselaer Polytech Inst, Biomed Imaging Ctr Cluster, Troy, NY USA