Semi-supervised human action recognition via dual-stream cross-fusion and class-aware memory bank

Biaozhang Huang, Shaojiang Wang, Chuanfei Hu, Xinde Li

Abstract: Highlights•DSCF-CAMB framework integrates dual-stream fusion and class-aware memory bank.•Combines joint position and velocity data for enhanced action representation.•Selective training with high-confidence samples improves semi-supervised learning.•Superior performance on NTU RGB+D and NW-UCLA datasets in action recognition.