ZHANG Jun-jie1,WEI Ji-zeng2,WANG Hang-sheng2,GUO Wei2,3
(1.School of Electronic Information Engineering,Tianjin Univ,Tianjin 300072,China;2.School of Computer Science and Technology,Tianjin Univ,Tianjin 300072,China;3. Tianjin Key Laboratory of Cognitive Computing and Application(Tianjin Univ),Tianjin 300072,China)