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Related papers: 3D-VCD: Hallucination Mitigation in 3D-LLM Embodie…

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Embodied agents face a critical dilemma that end-to-end models lack interpretability and explicit 3D reasoning, while modular systems ignore cross-component interdependencies and synergies. To bridge this gap, we propose the Dynamic 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Zihan Wang , Seungjun Lee , Guangzhao Dai , Gim Hee Lee

Multimodal Large Language Models (MLLMs) deliver detailed responses on vision-language tasks, yet remain susceptible to object hallucination (introducing objects not present in the image), undermining reliability in practice. Prior efforts…

Machine Learning · Computer Science 2026-02-26 Shiwei Tan , Hengyi Wang , Weiyi Qin , Qi Xu , Zhigang Hua , Hao Wang

Large Vision-Language Models (VLMs) rely on effective multimodal alignment between pre-trained vision encoders and Large Language Models (LLMs) to integrate visual and textual information. This paper presents a comprehensive analysis of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Shweta Mahajan , Hoang Le , Hyojin Park , Farzad Farhadzadeh , Munawar Hayat , Fatih Porikli

Reasoning segmentation aims to segment target objects in complex scenes based on human intent and spatial reasoning. While recent multimodal large language models (MLLMs) have demonstrated impressive 2D image reasoning segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Jiaxin Huang , Runnan Chen , Ziwen Li , Zhengqing Gao , Xiao He , Yandong Guo , Mingming Gong , Tongliang Liu

Remarkable progress in 2D Vision-Language Models (VLMs) has spurred interest in extending them to 3D settings for tasks like 3D Question Answering, Dense Captioning, and Visual Grounding. Unlike 2D VLMs that typically process images through…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Haoyuan Li , Yanpeng Zhou , Yufei Gao , Tao Tang , Jianhua Han , Yujie Yuan , Dave Zhenyu Chen , Jiawang Bian , Hang Xu , Xiaodan Liang

The generation of factually incorrect objects, commonly known as object hallucination, remains a persistent challenge in Large Vision-Language Models (LVLMs). Current approaches to address this issue - ranging from expensive data-driven…

Artificial Intelligence · Computer Science 2026-05-26 Yuanzhi Xu , Qian Gao , Jun Fan , Guohui Ding , Zhenyu Yang , Sixue Lin , Yuteng Xiao

Visual Language Models (VLMs) have increasingly become the main paradigm for understanding indoor scenes, but they still struggle with metric and spatial reasoning. Current approaches rely on end-to-end video understanding or large-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Fernando Ropero , Erkin Turkoz , Daniel Matos , Junqing Du , Antonio Ruiz , Yanfeng Zhang , Lu Liu , Mingwei Sun , Yongliang Wang

Large Vision-Language Models (LVLMs) still struggle with vision hallucination, where generated responses are inconsistent with the visual input. Existing methods either rely on large-scale annotated data for fine-tuning, which incurs…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yu Zhang , Chuyang Sun , Kehai Chen , Xuefeng Bai , Yang Xiang , Min Zhang

Large Visual Language Models (LVLMs) struggle with hallucinations in visual instruction following task(s), limiting their trustworthiness and real-world applicability. We propose Pelican -- a novel framework designed to detect and mitigate…

Computation and Language · Computer Science 2024-10-30 Pritish Sahu , Karan Sikka , Ajay Divakaran

Vision-language models (VLMs) have recently shown remarkable capabilities in visual understanding and generation, but remain vulnerable to adversarial manipulations of visual content. Prior object-hiding attacks primarily rely on…

Cryptography and Security · Computer Science 2026-03-18 Amira Guesmi , Muhammad Shafique

Vision-Language Models (VLMs) occasionally generate outputs that contradict input images, constraining their reliability in real-world applications. While visual prompting is reported to suppress hallucinations by augmenting prompts with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Masayo Tomita , Katsuhiko Hayashi , Tomoyuki Kaneko

Vision-Language Models (VLMs) have demonstrated remarkable progress in multimodal tasks, but remain susceptible to hallucinations, where generated text deviates from the underlying visual content. Existing hallucination detection methods…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Feiran Zhang , Yixin Wu , Zhenghua Wang , Xiaohua Wang , Changze Lv , Xuanjing Huang , Xiaoqing Zheng

We propose a straightforward approach called Distillation Contrastive Decoding (DCD) to enhance the reasoning capabilities of Large Language Models (LLMs) during inference. In contrast to previous approaches that relied on smaller amateur…

Computation and Language · Computer Science 2024-08-26 Phuc Phan , Hieu Tran , Long Phan

Vision-language models (VLMs) achieve strong benchmark results, yet can exhibit systematic perceptual weaknesses: structured, large changes to pixel values can cause confident yet nonsensical predictions, even when the underlying scene…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Nicoleta-Nina Basoc , Adrian Cosma , Emilian Radoi

Video-grounded Dialogue (VGD) aims to decode an answer sentence to a question regarding a given video and dialogue context. Despite the recent success of multi-modal reasoning to generate answer sentences, existing dialogue systems still…

Computation and Language · Computer Science 2023-10-10 Sunjae Yoon , Eunseop Yoon , Hee Suk Yoon , Junyeong Kim , Chang D. Yoo

Recent advances in 3D scene-language understanding have leveraged Large Language Models (LLMs) for 3D reasoning by transferring their general reasoning ability to 3D multi-modal contexts. However, existing methods typically adopt standard…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Yerim Jeon , Miso Lee , WonJun Moon , Jae-Pil Heo

Diffusion-based multimodal large language models (dMLLMs) decode by iteratively predicting tokens at multiple masked positions in parallel. This turns each decoding step into a position-selection problem: the model must choose not only…

Machine Learning · Computer Science 2026-05-26 Yulin Yuan , Hongshuo Zhao , Xiangming Meng

Vision-Language Models (VLMs) exhibit strong performance in instruction following and open-ended vision-language reasoning, yet they frequently generate fluent outputs that are weakly grounded in visual evidence. Prior works have shown that…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Yashwant Pravinrao Bangde , Debaditya Roy

Hallucinations, generating responses inconsistent with the visual input, remain a critical limitation of large vision-language models (LVLMs), especially in open-ended tasks such as image captioning and visual reasoning. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Mehrdad Fazli , Bowen Wei , Ziwei Zhu

Hallucinations in Large Language Models (LLMs) pose a major barrier to their reliable use in critical decision-making. Although existing hallucination detection methods have improved accuracy, they still struggle with disentangling semantic…

Computation and Language · Computer Science 2026-04-02 Junjie Hu , Gang Tu , ShengYu Cheng , Jinxin Li , Jinting Wang , Rui Chen , Zhilong Zhou , Dongbo Shan