PND reduces object hallucination in VLMs via a dual-path contrast during decoding that amplifies visual features and penalizes linguistic priors, achieving reported SOTA results on POPE, MME, and CHAIR without retraining.
Denoising dif- fusion probabilistic models.Advances in neural information processing systems, 33:6840–6851
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Breaking the Illusion: When Positive Meets Negative in Multimodal Decoding
PND reduces object hallucination in VLMs via a dual-path contrast during decoding that amplifies visual features and penalizes linguistic priors, achieving reported SOTA results on POPE, MME, and CHAIR without retraining.