Block-optimized FDAFT feature matching for lunar landing navigation and positioning: Validation with Chang'E−6 data - Shijie Liu; Changding Xu; Guanghan Chu; Yubing Jiao; Qian Huang; Genyi Wan; Baocheng Hua; Tao Li; Yusheng Xu; Xiaohua Tong (Planetary and Space Science, 2026)