TY - JOUR A1 - Choi, S.E. A1 - Lee, Y.J. A1 - Lee, S.J. A1 - Park, K.R. A1 - Kim, J. T1 - Age estimation using a hierarchical classifier based on global and local facial features Y1 - 2011 DO - 10.1016/j.patcog.2010.12.005 VL - 44 IS - 6 ER -