Spmixnet: spatial-channel collaborative modeling for enhanced small-object segmentation in LiDAR point clouds Hongdou He Chenggong Sun Yifang Huang Guoyan Huang Xiaobing Hao Aug 2026 · The Visual Computer · Vol 42 · 0 citations · 61 references DOI Semantic Scholar Save View source Cite Copy APA Copied ✓ Copy MLA Copied ✓ Copy BibTeX Copied ✓ Share