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~ similar to 2605.27906· 20 results

cs.CVcs.CLRecentMay 29, 2026

Learning from Fine-Grained Visual Discrepancies: Mitigating Multimodal Hallucinations via In-Context Visual Contrastive Optimization

Haolin Deng, Xin Zou, Zhiwei Jin, Chen Chen +2 more

The paper proposes In-Context Visual Contrastive Optimization (IC-VCO) to rigorously mitigate multimodal hallucinations in Vision-Language Models by optimizing contrastive learning within a shared mul…

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cs.CLcs.LGRecentMay 30, 2026

Towards Lightweight Reliability: Using Soft Prompts for Hallucination Mitigation in Large Language Models

S M Tahmid Siddiqui, Akib Jawad Ononto, Anoop Singhal, Latifur Khan

The paper introduces Responsible Contrastive Soft Prompting (RCSP), a parameter-efficient method using soft prompts to improve LLM reliability by simultaneously suppressing hallucinations, encouraging…

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cs.AIRecentMay 27, 2026

Look on Demand: A Cognitive Scheduling Framework for Visual Evidence Acquisition in Multimodal Reasoning

Yang Zhang, Xiaoshuai Sun, Rui Zhao, Wujin Sun +4 more

The paper proposes CSMR, a cognitive scheduling framework that allows a language model to dynamically decide when to acquire task-relevant visual evidence, significantly improving multimodal reasoning…

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cs.AIcs.LGRecentMay 27, 2026

Zipping the Thought: When and How Compressed Reasoning Data Works in LLM Post-Training

Kohsei Matsutani, Gouki Minegishi, Takeshi Kojima, Yusuke Iwasawa +1 more

This paper investigates how different types of compressed reasoning data (Explicit, Composed, Implicit CoT) affect LLM performance during post-training, finding that the choice of compression and subs…

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cs.CLcs.AIRecentMay 27, 2026

Hallucination Detection-Guided Preference Optimization for Clinical Summarization

Shamanth Kuthpadi Seethakantha, Dung Ngoc Thai, Vara Prasad Gudi, Simran Tiwari +5 more

The paper introduces two methods, ermodel and ermodel, to significantly reduce hallucinations in clinical summarization by using hallucination detectors to guide iterative revisions and subsequently…

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cs.CVcs.AIRecentMay 29, 2026

What Makes LVLMs Hallucinate Less? Unveiling the Architectural Factors Behind Hallucination Robustness

Yusheng He, Jizhe Zhou, Xia Du, Zheng Lin +2 more

This paper systematically analyzes how different architectural components of Large Vision-Language Models (LVLMs) contribute to hallucination robustness, finding that joint enhancement of visual fidel…

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cs.CLcs.AIRecentMay 28, 2026

COFT: Counterfactual-Conformal Decoding for Fair Chain-of-Thought Reasoning in Large Language Models

Arya Fayyazi, Mehdi Kamal, Massoud Pedram

COFT is a training-free decoding method that significantly reduces societal biases in large language model chain-of-thought reasoning by applying token-level fairness control at decode time.

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cs.CLcs.CVRecentJun 1, 2026

Mechanistic Diagnostics of Spatial Lexical Bias in Multimodal Large Language Model Spatial Reasoning

Chuang Ma, Qianying Liu, Tomoyuki Obuchi, Fei Cheng +5 more

The paper identifies a failure mode called spatial lexical bias in MLLMs, where adding a spatial word to options biases the model's choice, and demonstrates that this failure originates primarily from…

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cs.CVcs.AIRecentMay 31, 2026

Beyond Visual Memory: Mechanistic Diagnostics of Latent Visual Reasoning

Garvin Guo, Yu Chen, Xiang Wang, Shuai Li +3 more

The paper deconstructs latent visual reasoning tokens into components and finds that the performance gains are primarily due to boundary markers and attention patterns, not the tokens' ability to enco…

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cs.CVcs.CLRecentMay 30, 2026

Decomposed On-Policy Distillation for Vision-Language Reasoning: Steering Gradients for Visual Grounding

Hee Suk Yoon, Eunseop Yoon, Jaehyun Jang, SooHwan Eom +5 more

The paper proposes Visual Gradient Steering (VGS), a method that decomposes the distillation loss into language and visual components and steers the optimization to prioritize visual grounding, signif…

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cs.CVcs.AIRecentMay 28, 2026

Mitigating Hallucination in Vision-Language Models through Barrier-Regulated Adaptive Closed-form Steering

Soumyadeep Jana, Pulkit Mittal, Sanasam Ranbir Singh

The paper proposes BRACS, a training-free steering framework that adaptively corrects visual grounding failures in large vision-language models, significantly reducing object hallucination without sac…

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cs.AIRecentJun 2, 2026

Imaginative Perception Tokens Enhance Spatial Reasoning in Multimodal Language Models

Mahtab Bigverdi, Lindsey Li, Weikai Huang, Yiming Liu +7 more

This paper introduces Imaginative Perception Tokens (IPT) to improve spatial reasoning in vision language models.

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cs.CLcs.LGRecentJun 1, 2026

Resonant Context Anchoring: Decoupling Attention Routing and Signal Gain at Inference Time

Mingkuan Zhao, Yide Gao, Wentao Hu, Suquan Chen +5 more

The paper proposes Resonant Context Anchoring (RCA), a lightweight, training-free method that enhances factual faithfulness in LLMs by dynamically amplifying the signal of external context evidence du…

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cs.AIRecentJun 1, 2026

eMoT: evolving Memory-of-Thought via Symbolic Anchoring and Memory Corrosion

Xiang Li, Jiwei Wei, Ke Liu, Yitong Qin +4 more

The eMoT framework enhances multi-step reasoning in LLMs by treating reasoning as an evolving memory, stabilizing performance through symbolic computation and structured refinement.

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cs.CVcs.AIq-bio.NCRecentMay 28, 2026

Brain-IT-VQA: From Brain Signals to Answers

Roman Beliy, Matias Cosarinsky, Oliver Heinimann, Navve Wasserman +1 more

The paper introduces Brain-IT-VQA, a novel framework that significantly improves visual question answering from fMRI signals, and presents NSD-VQA, a new, highly controlled dataset for this task.

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cs.AIRecentMay 27, 2026

DREAM-R: Multimodal Speculative Reasoning with RL-Based Refined Drafting, Precise Verification, and Fully Parallel Execution

Yunhai Hu, Zining Liu, Xiangyang Yin, Tianhua Xia +4 more

DREAM-R is a novel framework that significantly enhances speculative reasoning in large multimodal models by optimizing draft generation alignment, introducing a robust verification mechanism, and ena…

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cs.AIcs.MARecentMay 27, 2026

Hallucination Mitigation with Agentic AI, Nested Learning, and AI Sustainability via Semantic Caching

Diego Gosmar, Deborah A. Dahl

The paper proposes a memory-augmented, three-stage agentic pipeline that significantly reduces LLM hallucinations and improves operational efficiency by integrating semantic caching and advanced obser…

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cs.AIcs.CLcs.LGRecentMay 31, 2026

An Enigma of Artificial Reason: Investigating the Production-Evaluation Gap in Large Reasoning Models

Mingzhong Sun, Teresa Yeo, Armando Solar-Lezama, Tan Zhi-Xuan

This paper investigates the production-evaluation gap in Large Reasoning Models (LRMs), finding that while LRMs excel at generating solutions, they struggle significantly to evaluate flawed reasoning,…

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cs.AIcs.CRRecentMay 18, 2026

Hallucination as Exploit: Evidence-Carrying Multimodal Agents

Guijia Zhang, Hao Zheng, Harry Yang

The paper introduces Evidence-Carrying Agents (ECA) to prevent multimodal agents from executing privileged actions based on unsupported or hallucinated perceptual claims, achieving near-zero unsafe ex…

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cs.CVcs.AIRecentJun 1, 2026

Mitigating Perceptual Judgment Bias in Multimodal LLM-as-a-Judge via Perceptual Perturbation and Reward Modeling

Seojeong Park, Jiho Choi, Junyong Kang, Seonho Lee +2 more

The paper addresses Perceptual Judgment Bias in multimodal LLM judges by introducing a new dataset and a unified training framework that forces models to prioritize visual evidence over plausible text…

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