Graph-Regularized Point-to-Trajectory Association for RS-AIS fusion toward maritime moving-ship identification and spatial refinement - Xin Du; Ruofei Zhong; Marco Scaioni; Marco Gianinetto; Shiyue Zhang; Qingyang Li; Zhenxing Sun; Chengming Li (ISPRS Journal of Photogrammetry and Remote Sensing, 2026)