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cs.CV2025
Reasoning under Vision: Understanding Visual-Spatial Cognition in Vision-Language Models for CAPTCHA
Python Song, Luke Tenyi Chang, Yun-Yun Tsai +2
CAPTCHA, originally designed to distinguish humans from robots, has evolved into a real-world benchmark for assessing the spatial reasoning capabilities of vision-language models.…
cs.LG2025
RAFP: Identifying LLM Lineages via Rare-Region Fingerprints
Yun-Yun Tsai, Jia Hao Liang, Chuan Guo +2
Large language models (LLMs) are increasingly released under restricted licenses, creating a growing need for robust model ownership verification. Existing fingerprinting methods a…