GCA-Net: Geometric-Contextual Alignment Network for Lightweight and Robust Local Feature Extraction in Visual Localization. - Deng, Yujuan; Tian, Liang; Hou, Xiaohui; Zhao, Xiaoling; Wang, Yonggang; Liu, Xin; Liu, Xingchao; Liao, Chunyuan (Applied Sciences (2076-3417), 2026)