Dr. Si Liu is an Associate Professor in Institute of Information Engineering, Chinese Academy of Sciences. She used to be a Research Fellow in Learn­ing and Vi­sion Re­search Group at the De­part­ment of Elec­tri­cal and Com­put­er En­gi­neer­ing, Na­tion­al Uni­ver­si­ty of Sin­ga­pore, di­rect­ed by Prof. Shuicheng Yan. She obtained Ph.D. degree from Institute of Automation, Chinese Academy of Sciences (CASIA), under the supervision of Prof. Hanqing Lu. She obtained Bachelor degree from Experimental Class of Beijing Institute of Technology (BIT).