PARTONOMY: Large Multimodal Models with Part-Level Visual Understanding. - Ansel Blume; Jeonghwan Kim; Hyeonjeong Ha; Elen Chatikyan; Xiaomeng Jin; Khanh Duy Nguyen; Nanyun Peng 001; Kai-Wei Chang; Derek Hoiem; Heng Ji 001 (CoRR, 2025)