Micro-expression recognition based on direct learning of graph structure

Lijun Zhang, Yifan Zhang, Xinzhi Sun, Weicheng Tang, Xiaomeng Wang, Zhanshan Li

Abstract: Highlights•The first to apply direct graph learning for feature analysis in micro-expression recognition.•In this paper, we propose an Optical Flow-based VisionGNN Network (OFVIG-Net).•OFVIG-Net achieves 66.32% accuracy on composite databases but 88.75% SOTA on CASMÊ3.