Dual subspace manifold learning based on GCN for intensity-invariant facial expression recognition

Jingying Chen, Jinxin Shi, Ruyi Xu

Abstract: Highlights•A semi-supervised learning framework based on a GCN for intensity-invariant FER tasks.•A novel PLPP method to keep the locality between peak and non-peak expressions.•Two different subspace fusion methods that combine the LPP and PLPP results.