L2H-NeRF: low- to high-frequency-guided NeRF for 3D reconstruction with a few input scenes. - Taoqi Bao; Jiangnan Ye 002; Zhankong Bao; Chee Siang Leow; Haoji Hu; Jianfeng Lu; Issei Fujishiro; Jiayi Xu (Vis. Comput., 2025)