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This paper introduces a deep learning model tailored for document information analysis, emphasizing document classification, entity relation extraction, and document visual question answering. The proposed model leverages transformer-based…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Tofik Ali , Partha Pratim Roy

Visual Question answering is a challenging problem requiring a combination of concepts from Computer Vision and Natural Language Processing. Most existing approaches use a two streams strategy, computing image and question features that are…

计算机视觉与模式识别 · 计算机科学 2018-11-02 Will Norcliffe-Brown , Efstathios Vafeias , Sarah Parisot

We present Multiple-Question Multiple-Answer (MQMA), a novel approach to do text-VQA in encoder-decoder transformer models. The text-VQA task requires a model to answer a question by understanding multi-modal content: text (typically from…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Peng Tang , Srikar Appalaraju , R. Manmatha , Yusheng Xie , Vijay Mahadevan

We propose DocFormerv2, a multi-modal transformer for Visual Document Understanding (VDU). The VDU domain entails understanding documents (beyond mere OCR predictions) e.g., extracting information from a form, VQA for documents and other…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Srikar Appalaraju , Peng Tang , Qi Dong , Nishant Sankaran , Yichu Zhou , R. Manmatha

Many visual scenes contain text that carries crucial information, and it is thus essential to understand text in images for downstream reasoning tasks. For example, a deep water label on a warning sign warns people about the danger in the…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Ronghang Hu , Amanpreet Singh , Trevor Darrell , Marcus Rohrbach

We present a new pre-training method, Multimodal Inverse Cloze Task, for Knowledge-based Visual Question Answering about named Entities (KVQAE). KVQAE is a recently introduced task that consists in answering questions about named entities…

计算与语言 · 计算机科学 2023-01-12 Paul Lerner , Olivier Ferret , Camille Guinaudeau

Knowledge-based visual question answering (KB-VQA) requires visual language models (VLMs) to integrate visual understanding with external knowledge retrieval. Although retrieval-augmented generation (RAG) achieves significant advances in…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Yuyang Hong , Jiaqi Gu , Qi Yang , Lubin Fan , Yue Wu , Ying Wang , Kun Ding , Shiming Xiang , Jieping Ye

Neural IR has advanced through two distinct paths: entity-oriented approaches leveraging knowledge graphs and multi-vector models capturing fine-grained semantics. We introduce QDER, a neural re-ranking model that unifies these approaches…

信息检索 · 计算机科学 2025-10-14 Shubham Chatterjee , Jeff Dalton

Correspondence pruning aims to find correct matches (inliers) from an initial set of putative correspondences, which is a fundamental task for many applications. The process of finding is challenging, given the varying inlier ratios between…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Tangfei Liao , Xiaoqin Zhang , Li Zhao , Tao Wang , Guobao Xiao

Document-level Relation Extraction (RE) requires extracting relations expressed within and across sentences. Recent works show that graph-based methods, usually constructing a document-level graph that captures document-aware interactions,…

计算与语言 · 计算机科学 2021-06-08 Damai Dai , Jing Ren , Shuang Zeng , Baobao Chang , Zhifang Sui

This paper aims at improving how machines can answer questions directly from text, with the focus of having models that can answer correctly multiple types of questions and from various types of texts, documents or even from large…

计算与语言 · 计算机科学 2018-04-30 Martin Raison , Pierre-Emmanuel Mazaré , Rajarshi Das , Antoine Bordes

Direct answering of questions that involve multiple entities and relations is a challenge for text-based QA. This problem is most pronounced when answers can be found only by joining evidence from multiple documents. Curated knowledge…

信息检索 · 计算机科学 2020-12-01 Xiaolu Lu , Soumajit Pramanik , Rishiraj Saha Roy , Abdalghani Abujabal , Yafang Wang , Gerhard Weikum

Generating robust and reliable correspondences across images is a fundamental task for a diversity of applications. To capture context at both global and local granularity, we propose ASpanFormer, a Transformer-based detector-free matcher…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Hongkai Chen , Zixin Luo , Lei Zhou , Yurun Tian , Mingmin Zhen , Tian Fang , David Mckinnon , Yanghai Tsin , Long Quan

Knowledge-Based Visual Question Answering (KBVQA) is a bi-modal task requiring external world knowledge in order to correctly answer a text question and associated image. Recent single modality text work has shown knowledge injection into…

计算与语言 · 计算机科学 2022-05-30 Diego Garcia-Olano , Yasumasa Onoe , Joydeep Ghosh

Visual Question Answering (VQA) concerns providing answers to Natural Language questions about images. Several deep neural network approaches have been proposed to model the task in an end-to-end fashion. Whereas the task is grounded in…

人工智能 · 计算机科学 2020-02-03 Mehrdad Alizadeh , Barbara Di Eugenio

Recent advances in video captioning are driven by large-scale pretrained models, which follow the standard "pre-training followed by fine-tuning" paradigm, where the full model is fine-tuned for downstream tasks. Although effective, this…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Junan Chen , Trung Thanh Nguyen , Takahiro Komamizu , Ichiro Ide

Visual Question Answering (VQA) is an intricate and demanding task that integrates natural language processing (NLP) and computer vision (CV), capturing the interest of researchers. The English language, renowned for its wealth of…

计算与语言 · 计算机科学 2023-07-31 Khiem Vinh Tran , Kiet Van Nguyen , Ngan Luu Thuy Nguyen

Previous studies have pointed out that visual question answering (VQA) models are prone to relying on language priors for answer predictions. In this context, predictions often depend on linguistic shortcuts rather than a comprehensive…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Daowan Peng , Wei Wei

Key frames play an important role in video annotation. It is one of the widely used methods for video abstraction as this will help us for processing a large set of video data with sufficient content representation in faster way. In this…

计算机视觉与模式识别 · 计算机科学 2016-05-31 Siddu P Algur , Vivek R

This paper proposes CQ-VQA, a novel 2-level hierarchical but end-to-end model to solve the task of visual question answering (VQA). The first level of CQ-VQA, referred to as question categorizer (QC), classifies questions to reduce the…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Aakansha Mishra , Ashish Anand , Prithwijit Guha