MFSA-Net: Semantic Segmentation With Camera-LiDAR Cross-Attention Fusion Based on Fast Neighbor Feature Aggregation. - Yijian Duan; Liwen Meng; Yanmei Meng; Jihong Zhu 001; Jiacheng Zhang; Jinlai Zhang; Xin Liu (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)