School of Information Engineering, Ningxia University, Yinchuan, 750021, China; Collaborative Innovation Center for Ningxia Big Data and Artificial Intelligence Co-founded by Ningxia Municipality and Ministry of Education, Yinchuan, 750021, China; School of Information Engineering, Ningxia University, Yinchuan, 750021, China; Academy for Engineering and Technology, Fudan University, Shanghai, 200433, China
Zongyong Deng, Hao Liu, Yaoxing Wang, Chenyang Wang, Zekuan Yu, Xuehong Sun
PML: Progressive Margin Loss for Long-Tailed Age Classification