R2MF-Net: A Recurrent Residual Multi-Path Fusion Network for Robust Multi-directional Spine X-ray Segmentation. - Xuecheng Li; Weikuan Jia; Komildzhon Sharipov; Sharipov Hotam Beknazarovich; Farzona S. Ataeva; Qurbonaliev Alisher; Yuanjie Zheng (CoRR, 2025)