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Open domain Question Answering (QA) systems must interact with external knowledge sources, such as web pages, to find relevant information. Information sources like Wikipedia, however, are not well structured and difficult to utilize in…

Computation and Language · Computer Science 2017-03-28 Yusuke Watanabe , Bhuwan Dhingra , Ruslan Salakhutdinov

Knowledge-based visual question answering (VQA) requires answering questions with external knowledge in addition to the content of images. One dataset that is mostly used in evaluating knowledge-based VQA is OK-VQA, but it lacks a gold…

Computation and Language · Computer Science 2021-09-10 Man Luo , Yankai Zeng , Pratyay Banerjee , Chitta Baral

Open Domain Question Answering (QA) is evolving from complex pipelined systems to end-to-end deep neural networks. Specialized neural models have been developed for extracting answers from either text alone or Knowledge Bases (KBs) alone.…

Computation and Language · Computer Science 2018-09-05 Haitian Sun , Bhuwan Dhingra , Manzil Zaheer , Kathryn Mazaitis , Ruslan Salakhutdinov , William W. Cohen

Visual-semantic embedding is an interesting research topic because it is useful for various tasks, such as visual question answering (VQA), image-text retrieval, image captioning, and scene graph generation. In this paper, we focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Kazuya Ueki

Visual question answering (VQA) usesimage processing algorithms to process the image and natural language processing methods to understand and answer the question. VQA is helpful to a visually impaired person, can be used for the security…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Param Ahir , Hiteishi M. Diwanji

We propose a novel probabilistic model for visual question answering (Visual QA). The key idea is to infer two sets of embeddings: one for the image and the question jointly and the other for the answers. The learning objective is to learn…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Hexiang Hu , Wei-Lun Chao , Fei Sha

Modern QA systems entail retrieval-augmented generation (RAG) for accurate and trustworthy responses. However, the inherent gap between user queries and relevant documents hinders precise matching. We introduce QAEncoder, a training-free…

Computation and Language · Computer Science 2025-07-03 Zhengren Wang , Qinhan Yu , Shida Wei , Zhiyu Li , Feiyu Xiong , Xiaoxing Wang , Simin Niu , Hao Liang , Wentao Zhang

Document-based Visual Question Answering examines the document understanding of document images in conditions of natural language questions. We proposed a new document-based VQA dataset, PDF-VQA, to comprehensively examine the document…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Yihao Ding , Siwen Luo , Hyunsuk Chung , Soyeon Caren Han

Researchers produce thousands of scholarly documents containing valuable technical knowledge. The community faces the laborious task of reading these documents to identify, extract, and synthesize information. To automate information…

Computation and Language · Computer Science 2023-12-13 Tavish McDonald , Brian Tsan , Amar Saini , Juanita Ordonez , Luis Gutierrez , Phan Nguyen , Blake Mason , Brenda Ng

This paper proposes to improve visual question answering (VQA) with structured representations of both scene contents and questions. A key challenge in VQA is to require joint reasoning over the visual and text domains. The predominant…

Computer Vision and Pattern Recognition · Computer Science 2017-03-31 Damien Teney , Lingqiao Liu , Anton van den Hengel

Current Visual Question Answering (VQA) systems can answer intelligent questions about `Known' visual content. However, their performance drops significantly when questions about visually and linguistically `Unknown' concepts are presented…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Moshiur R Farazi , Salman H Khan , Nick Barnes

Knowledge-Intensive Visual Question Answering (KI-VQA) refers to answering a question about an image whose answer does not lie in the image. This paper presents a new pipeline for KI-VQA tasks, consisting of a retriever and a reader. First,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Alireza Salemi , Juan Altmayer Pizzorno , Hamed Zamani

Question answering (QA) systems for large document collections typically use pipelines that (i) retrieve possibly relevant documents, (ii) re-rank them, (iii) rank paragraphs or other snippets of the top-ranked documents, and (iv) select…

Information Retrieval · Computer Science 2021-06-17 Dimitris Pappas , Ion Androutsopoulos

Visual Question Answering (VQA) presents a unique challenge as it requires the ability to understand and encode the multi-modal inputs - in terms of image processing and natural language processing. The algorithm further needs to learn how…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Supriya Pandhre , Shagun Sodhani

In this paper, we propose a novel Knowledge-based Embodied Question Answering (K-EQA) task, in which the agent intelligently explores the environment to answer various questions with the knowledge. Different from explicitly specifying the…

Robotics · Computer Science 2021-09-17 Sinan Tan , Mengmeng Ge , Di Guo , Huaping Liu , Fuchun Sun

In this work, we propose a deep neural architecture that uses an attention mechanism which utilizes region based image features, the natural language question asked, and semantic knowledge extracted from the regions of an image to produce…

Computation and Language · Computer Science 2021-04-06 Tasmia Tasrin , Md Sultan Al Nahian , Brent Harrison

Visual Question Answering (VQA) is an evolving research field aimed at enabling machines to answer questions about visual content by integrating image and language processing techniques such as feature extraction, object detection, text…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Ngoc Dung Huynh , Mohamed Reda Bouadjenek , Sunil Aryal , Imran Razzak , Hakim Hacid

Video Question Answering (VideoQA) is a challenging video understanding task since it requires a deep understanding of both question and video. Previous studies mainly focus on extracting sophisticated visual and language embeddings, fusing…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Fangtao Li , Ting Bai , Chenyu Cao , Zihe Liu , Chenghao Yan , Bin Wu

Visual question answering (VQA) is a task that combines both the techniques of computer vision and natural language processing. It requires models to answer a text-based question according to the information contained in a visual. In recent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Yeyun Zou , Qiyu Xie

Visual question answering (VQA) in medical imaging aims to support clinical diagnosis by automatically interpreting complex imaging data in response to natural language queries. Existing studies typically rely on distinct visual and textual…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Yuanhe Tian , Chen Su , Junwen Duan , Yan Song