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cs.CV2026
Pathways of Visual Information Flow in Vision-Language Models
Israfel Salazar, Stella Frank, Dan Oneata +2
We study how visual information is routed in vision-language models (VLMs). Using causal patching on controlled synthetic and natural datasets, we find that models rely on two dist…
cs.CV2025
SPECS: Specificity-Enhanced CLIP-Score for Long Image Caption Evaluation
Xiaofu Chen, Israfel Salazar, Yova Kementchedjhieva
As interest grows in generating long, detailed image captions, standard evaluation metrics become increasingly unreliable. N-gram-based metrics though efficient, fail to capture se…
cs.CV2025
Long Story Short: Disentangling Compositionality and Long-Caption Understanding in Contrastive VLMs
Israfel Salazar, Desmond Elliott, Yova Kementchedjhieva
Contrastive vision-language models (VLMs) have made significant progress in binding visual and textual information, yet understanding long, compositional captions remains an open c…