Contamination Detection for VLMs using Multi-Modal Semantic Perturbation

arXiv — cs.LGFriday, November 7, 2025 at 5:00:00 AM

Contamination Detection for VLMs using Multi-Modal Semantic Perturbation

A recent paper discusses the issue of contamination in Vision-Language Models (VLMs), highlighting how the use of proprietary pretraining data can lead to inflated performance metrics due to test-set leakage. This is a significant concern for both developers and users of these models, as it questions the reliability of their results. The authors suggest that while there have been efforts to address this issue through data decontamination and redesigning benchmarks, more work is needed to ensure the integrity of VLMs in practical applications.
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