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Yifan Fang

2 accepted papers

2026

Verb Mirage: Unveiling and Assessing Verb Concept Hallucinations in Multimodal Large Language Models

AAAI 2026technical

Multimodal Large Language Models (MLLMs) have garnered significant attention recently and demonstrate outstanding capabilities in various tasks such as OCR, VQA, captioning, etc. However, hallucination remains a persistent issue. While numerous methods have been proposed to mitigate hallucinations,

Cited by 0SourcePDFScholar
2025

Demeaned Sparse: Efficient Anomaly Detection by Residual Estimate

ICML 2025poster

Frequency-domain image anomaly detection methods can substantially enhance anomaly detection performance, however, they still lack an interpretable theoretical framework to guarantee the effectiveness of the detection process. We propose a novel test to detect anomalies in structural image via a Dem…

Cited by 0SourcePDFScholar