BanglaProtha: Evaluating Vision Language Models in Underrepresented Long-tail Cultural Contexts. - Md Fahim; Md Sakib Ul Rahman Sourove; Akm Moshiur Rahman; Md Farhan Ishmam; Md Tasmim Rahman Adib; Fariha Tanjim Shifat; Fabiha Haider; Farhad Alam Bhuiyan (WACV, 2026)