Deep Distillation Metric Learning. - Jiaxu Han; Tianyu Zhao; Changqing Zhang (MMAsia, 2019)

Towards emotion-sensitive learning cognitive state analysis of big data in education: deep learning-based facial expression analysis using ordinal information. - Ruyi Xu; Jingying Chen; Jiaxu Han; Lei Tan; Luhui Xu (Computing, 2020)

Ordinal information based facial expression intensity estimation for emotional interaction: a novel semi-supervised deep learning approach. - Ruyi Xu; Jiaxu Han; Jingying Chen (Computing, 2024)