Hallucination in Multimodal Foundation Models: A Survey on Causes, Corrections, and Evaluations
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Abstract (arXiv)
Multimodal Foundation Models represent a significant leap in artificial intelligence. Among them, Large Vision-Language Models (LVLMs) serve as the typical representative of these foundation models, which integrate visual modality directly into Large Language Models (LLMs). They have demonstrated strong capabilities in information processing and generation. However, the existence of hallucinations has limited the potential and practical effectiveness of LVLM in various fields. Although lots of work has been devoted to hallucination mitigation and correction, there are few reviews to summarize them. To address this gap, this survey provides a systematic review of the hallucination landscape in LVLMs. We categorize the causes related to model architecture and data quality, and construct a comprehensive taxonomy of existing mitigation strategies. Furthermore, we critically assess current hallucination evaluation benchmarks from both discriminative and generative perspectives, highlighting the limitations of existing metrics. This survey concludes by discussing open challenges and future research directions to advance the reliability and trustworthiness of LVLMs.
Key facts. Cited by 8 papers in the map (data through 13 Oct 2026). Builds on 49 of its 85 references that are in the map. First posted on arXiv 20 Oct 2024.
Builds on
49 of 85 references.
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Built on by
Citing papers per year: 2025: 7; 2026: 1.
8 papers.
- 2025A Survey of Multimodal Hallucination Evaluation and Detectioncited by 26
- 2025The Scales of Justitia: A Comprehensive Survey on Safety Evaluation of LLMscited by 25
- 2025VistaDPO: Video Hierarchical Spatial-Temporal Direct Preference Optimization for Large Video Modelscited by 14
- 2025Mitigating Object Hallucinations in MLLMs via Multi-Frequency Perturbationscited by 7
- 2025Reflective Preference Optimization (RPO): Enhancing On-Policy Alignment via Hint-Guided Reflectioncited by 2
- 2025Anatomical Region-Guided Contrastive Decoding: A Plug-and-Play Strategy for Mitigating Hallucinations in Medical VLMscited by 2
- 2026VideoHEDGE: Entropy-Based Hallucination Detection for Video-VLMs via Semantic Clustering and Spatiotemporal Perturbationscited by 1
- 2025Instruction-Aligned Visual Attention for Mitigating Hallucinations in Large Vision-Language Modelscited by 0
- 2026VideoHEDGE: Entropy-Based Hallucination Detection for Video-VLMs via Semantic Clustering and Spatiotemporal Perturbations13 Jan 2026
- 2025Anatomical Region-Guided Contrastive Decoding: A Plug-and-Play Strategy for Mitigating Hallucinations in Medical VLMs19 Dec 2025
- 2025Reflective Preference Optimization (RPO): Enhancing On-Policy Alignment via Hint-Guided Reflection15 Dec 2025
- 2025A Survey of Multimodal Hallucination Evaluation and Detection25 Jul 2025
- 2025The Scales of Justitia: A Comprehensive Survey on Safety Evaluation of LLMs6 Jun 2025
- 2025VistaDPO: Video Hierarchical Spatial-Temporal Direct Preference Optimization for Large Video Models17 Apr 2025
- 2025Instruction-Aligned Visual Attention for Mitigating Hallucinations in Large Vision-Language Models24 Mar 2025
- 2025Mitigating Object Hallucinations in MLLMs via Multi-Frequency Perturbations19 Mar 2025
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- 2026What Makes LVLMs Hallucinate Less? Unveiling the Architectural Factors Behind Hallucination Robustness
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- 2025HalluShift++: Bridging Language and Vision through Internal Representation Shifts for Hierarchical Hallucinations in MLLMs
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