Age estimation and gender classification of facial images based on Local Directional Pattern. - Min Hu; Yaona Zheng; Fuji Ren; He Jiang (CCIS, 2014)

Method of Age Estimation Based on ML-GMM Feature and Double Layers Estimation Model. - Min Hu; Wendi Teng; Yaona Zheng; Keke Zhang (ICAIP, 2017)