IGV-RRT: Prior-Real-Time Observation Fusion for Active Object Search in Changing Environments. - Wei Zhang; Ping Gong; Yujie Wang; Minghui Bai; Rongfeng Ye; Yinchuan Wang; Yachao Wang; Leilei Yao; Teng Chen; Chen Sun; Chaoqun Wang (CoRR, 2026)