Federated Learning with Label Distribution Skew via Logits Calibration

Jie Zhang, Zhiqi Li, Bo Li, Jianghe Xu, Shuang Wu, Shouhong Ding, Chao Wu

Abstract: Traditional federated optimization methods perform poorly with heterogeneous data (i.e. , accuracy reduction), especially for highly skewed data. In this paper, we investigate the label distributio...