An Object-Level Multi-Source Transfer Learning Method Integrating Optical and SAR Features: A Case Study of Gaofen, Ziyuan, and Sentinel-1 Satellites. - Xingli Qin; Bingfang Wu; Hongwei Zeng; Miao Zhang 002; Fuyou Tian; Yupei Cao; Yazhou Liu (IGARSS, 2024)