Combined Dictionary Unfolding Network with Gradient-Adaptive Fidelity for Transferable Multi-Source Fusion. - Ge Luo; Junjie Huang 001; Qi Yu; Tianrui Liu 001; Ke Liang 006; Yuming Xiang; Wentao Zhao; Xinwang Liu 002; Meng Wang 001 (CoRR, 2026)