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Related papers: Object Hallucination in Image Captioning

200 papers

In text-to-image (T2I) generation, a prevalent training technique involves utilizing Vision Language Models (VLMs) for image re-captioning. Even though VLMs are known to exhibit hallucination, generating descriptive content that deviates…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Weichen Yu , Ziyan Yang , Shanchuan Lin , Qi Zhao , Jianyi Wang , Liangke Gui , Matt Fredrikson , Lu Jiang

Despite growing interest in hallucination in Multimodal Large Language Models, existing studies primarily focus on single-image settings, leaving hallucination in multi-image scenarios largely unexplored. To address this gap, we conduct the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Jiale Li , Mingrui Wu , Zixiang Jin , Hao Chen , Jiayi Ji , Xiaoshuai Sun , Liujuan Cao , Rongrong Ji

In this paper, we propose an approach to improve image captioning solution for images with novel objects that do not have caption labels in the training dataset. We refer to our approach as Partially-Supervised Novel Object Captioning…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Shashank Bujimalla , Mahesh Subedar , Omesh Tickoo

Language models have shown strong capabilities across a wide range of tasks in software engineering, such as code generation, yet they suffer from hallucinations. While hallucinations have been studied independently in natural language and…

Software Engineering · Computer Science 2025-08-13 Chunhua Liu , Hong Yi Lin , Patanamon Thongtanunam

Image captioning models typically follow an encoder-decoder architecture which uses abstract image feature vectors as input to the encoder. One of the most successful algorithms uses feature vectors extracted from the region proposals…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Simao Herdade , Armin Kappeler , Kofi Boakye , Joao Soares

Recently, 3D-LLMs, which combine point-cloud encoders with large models, have been proposed to tackle complex tasks in embodied intelligence and scene understanding. In addition to showing promising results on 3D tasks, we found that they…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Ruiying Peng , Kaiyuan Li , Weichen Zhang , Chen Gao , Xinlei Chen , Yong Li

In recent studies, the extensive utilization of large language models has underscored the importance of robust evaluation methodologies for assessing text generation quality and relevance to specific tasks. This has revealed a prevalent…

Computation and Language · Computer Science 2024-03-20 Patanjali Bhamidipati , Advaith Malladi , Manish Shrivastava , Radhika Mamidi

Object hallucination is a significant challenge that hinders the application of large vision-language models (LVLMs) in practice. We hypothesize that one possible origin of hallucination is the model's tendency to prioritize text generation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Meng Shen , Minghao Wu , Deepu Rajan

Object hallucination in large vision-language models presents a significant challenge to their safe deployment in real-world applications. Recent works have proposed object-level hallucination scores to estimate the likelihood of object…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Seongheon Park , Sharon Li

We revisit language bottleneck models as an approach to ensuring the explainability of deep learning models for image classification. Because of inevitable information loss incurred in the step of converting images into language, the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Honori Udo , Takafumi Koshinaka

Given the accelerating progress of vision and language modeling, accurate evaluation of machine-generated image captions remains critical. In order to evaluate captions more closely to human preferences, metrics need to discriminate between…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Koki Maeda , Shuhei Kurita , Taiki Miyanishi , Naoaki Okazaki

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

Multimodal large language models (MLLMs) frequently hallucinate objects that are absent from the visual input, often because attention during decoding is disproportionately drawn to visually dominant or frequently occurring content. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Mohammad Anas Azeez , Ankan Deria , Zohaib Hasan Siddiqui , Adinath Madhavrao Dukre , Rafiq Ali , Sara Atito , Yutong Xie , Imran Razzak

Large language models are increasingly being used in patient-facing medical question answering, where hallucinated outputs can vary widely in potential harm. However, existing hallucination standards and evaluation metrics focus primarily…

Computation and Language · Computer Science 2026-03-02 Savan Doshi

While the problem of hallucinations in neural machine translation has long been recognized, so far the progress on its alleviation is very little. Indeed, recently it turned out that without artificially encouraging models to hallucinate,…

Computation and Language · Computer Science 2022-12-21 David Dale , Elena Voita , Loïc Barrault , Marta R. Costa-jussà

Image captioning has become an essential Vision & Language research task. It is about predicting the most accurate caption given a specific image or video. The research community has achieved impressive results by continuously proposing new…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Guillermo Ruiz , Tania Ramírez , Daniela Moctezuma

Despite significant progress in the quality of language generated from abstractive summarization models, these models still exhibit the tendency to hallucinate, i.e., output content not supported by the source document. A number of works…

Computation and Language · Computer Science 2022-11-01 Liam van der Poel , Ryan Cotterell , Clara Meister

Multimodal hallucination in multimodal large language models (MLLMs) restricts the correctness of MLLMs. However, multimodal hallucinations are multi-sourced and arise from diverse causes. Existing benchmarks fail to adequately distinguish…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Bowen Dong , Minheng Ni , Zitong Huang , Guanglei Yang , Wangmeng Zuo , Lei Zhang

Multimodal Large Language Models (MLLMs) often suffer from hallucinations, particularly errors in object existence, attributes, or relations, which undermine their reliability. We introduce TACO (Verified Atomic Confidence Estimation), a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Jiarui Liu , Weihao Xuan , Zhijing Jin , Mona Diab

Hallucination has been a major problem for large language models and remains a critical challenge when it comes to multimodality in which vision-language models (VLMs) have to deal with not just textual but also visual inputs. Despite rapid…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zhecan Wang , Garrett Bingham , Adams Yu , Quoc Le , Thang Luong , Golnaz Ghiasi