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In this work, we introduce RadImageNet-VQA, a large-scale dataset designed to advance radiologic visual question answering (VQA) on CT and MRI exams. Existing medical VQA datasets are limited in scale, dominated by X-ray imaging or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Léo Butsanets , Charles Corbière , Julien Khlaut , Pierre Manceron , Corentin Dancette

Retrieval-augmented generation (RAG) for document-based Open-domain Question Answering (ODQA) on large-scale industrial corpora faces two critical bottlenecks: routing failure in locating the correct document and evidence fragmentation in…

Artificial Intelligence · Computer Science 2026-05-29 Joongmin Shin , Gyuho Shim , Jeongbae Park , Jaehyung Seo , Heuiseok Lim

Visually Rich Document Understanding (VRDU) has emerged as a critical field in document intelligence, enabling automated extraction of key information from complex documents across domains such as medical, financial, and educational…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yihao Ding , Soyeon Caren Han , Yan Li , Josiah Poon

Visual question answering (VQA) is a Multidisciplinary research problem that pursued through practices of natural language processing and computer vision. Visual question answering automatically answers natural language questions according…

Computer Vision and Pattern Recognition · Computer Science 2024-09-01 Param Ahir , Hiteishi Diwanji

Multi-page Document Visual Question Answering (MP-DocVQA) remains challenging because long documents not only strain computational resources but also reduce the effectiveness of the attention mechanism in large vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Zongmin Li , Yachuan Li , Lei Kang , Dimosthenis Karatzas , Wenkang Ma

When answering complex questions, people can seamlessly combine information from visual, textual and tabular sources. While interest in models that reason over multiple pieces of evidence has surged in recent years, there has been…

Computation and Language · Computer Science 2021-04-14 Alon Talmor , Ori Yoran , Amnon Catav , Dan Lahav , Yizhong Wang , Akari Asai , Gabriel Ilharco , Hannaneh Hajishirzi , Jonathan Berant

Video Question Answering (VQA) is a recent emerging challenging task in the field of Computer Vision. Several visual information retrieval techniques like Video Captioning/Description and Video-guided Machine Translation have preceded the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Devshree Patel , Ratnam Parikh , Yesha Shastri

Medical Visual Question Answering (Med-VQA) holds significant potential for clinical decision support, yet existing efforts primarily focus on 2D imaging with limited task diversity. This paper presents 3D-RAD, a large-scale dataset…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Xiaotang Gai , Jiaxiang Liu , Yichen Li , Zijie Meng , Jian Wu , Zuozhu Liu

Discrete reasoning over table-text documents (e.g., financial reports) gains increasing attention in recent two years. Existing works mostly simplify this challenge by manually selecting and transforming document pages to structured tables…

Computation and Language · Computer Science 2024-02-23 Fengbin Zhu , Chao Wang , Fuli Feng , Zifeng Ren , Moxin Li , Tat-Seng Chua

In this paper, we propose a new dataset, ReasonVQA, for the Visual Question Answering (VQA) task. Our dataset is automatically integrated with structured encyclopedic knowledge and constructed using a low-cost framework, which is capable of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Duong T. Tran , Trung-Kien Tran , Manfred Hauswirth , Danh Le Phuoc

In recent years, visual question answering (VQA) has attracted attention from the research community because of its highly potential applications (such as virtual assistance on intelligent cars, assistant devices for blind people, or…

Computation and Language · Computer Science 2023-10-03 Nghia Hieu Nguyen , Duong T. D. Vo , Kiet Van Nguyen , Ngan Luu-Thuy Nguyen

Document-based Visual Question Answering poses a challenging task between linguistic sense disambiguation and fine-grained multimodal retrieval. Although there has been encouraging progress in document-based question answering due to the…

Computation and Language · Computer Science 2023-10-20 Jieting Long , Zewei Shi , Penghao Jiang , Yidong Gan

In this paper, we focus on the Audio-Visual Question Answering (AVQA) task, which aims to answer questions regarding different visual objects, sounds, and their associations in videos. The problem requires comprehensive multimodal…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Guangyao Li , Yake Wei , Yapeng Tian , Chenliang Xu , Ji-Rong Wen , Di Hu

Vision-language retrieval-augmented generation (RAG) has become an effective approach for tackling Knowledge-Based Visual Question Answering (KB-VQA), which requires external knowledge beyond the visual content presented in images. The…

Information Retrieval · Computer Science 2025-09-15 Wei Yang , Jingjing Fu , Rui Wang , Jinyu Wang , Lei Song , Jiang Bian

Recent advances in the healthcare industry have led to an abundance of unstructured data, making it challenging to perform tasks such as efficient and accurate information retrieval at scale. Our work offers an all-in-one scalable solution…

Information Retrieval · Computer Science 2023-02-15 Shreya Saxena , Raj Sangani , Siva Prasad , Shubham Kumar , Mihir Athale , Rohan Awhad , Vishal Vaddina

Remote work and online courses have become important methods of knowledge dissemination, leading to a large number of document-based instructional videos. Unlike traditional video datasets, these videos mainly feature rich-text images and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Haochen Wang , Kai Hu , Liangcai Gao

Visual Question Answering (VQA) is a fundamental multimodal task that requires models to jointly understand visual and textual information. Early VQA systems relied heavily on language biases, motivating subsequent work to emphasize visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Nguyen Anh Tuong , Phan Ba Duc , Nguyen Trung Quoc , Tran Dac Thinh , Dang Duy Lan , Nguyen Quoc Thinh , Tung Le

Given an image and an associated textual question, the purpose of Knowledge-Based Visual Question Answering (KB-VQA) is to provide a correct answer to the question with the aid of external knowledge bases. Prior KB-VQA models are usually…

Machine Learning · Computer Science 2023-10-13 Jingru Gan , Xinzhe Han , Shuhui Wang , Qingming Huang

The extraction of visual features is an essential step in Visual Question Answering (VQA). Building a good visual representation of the analyzed scene is indeed one of the essential keys for the system to be able to correctly understand the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Hichem Boussaid , Lucrezia Tosato , Flora Weissgerber , Camille Kurtz , Laurent Wendling , Sylvain Lobry

Retrieval-augmented generation (RAG) has rapidly advanced the language model field, particularly in question-answering (QA) systems. By integrating external documents during the response generation phase, RAG significantly enhances the…

Computation and Language · Computer Science 2024-09-25 Xinyue Chen , Pengyu Gao , Jiangjiang Song , Xiaoyang Tan