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Conventional Transformer-based Video Question Answering (VideoQA) approaches generally encode frames independently through one or more image encoders followed by interaction between frames and question. However, such schema would incur…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Chenyang Lyu , Tianbo Ji , Yvette Graham , Jennifer Foster

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…

计算与语言 · 计算机科学 2023-10-20 Jieting Long , Zewei Shi , Penghao Jiang , Yidong Gan

Retrieval-Augmented Generation (RAG) has demonstrated considerable effectiveness in open-domain question answering. However, when applied to heterogeneous documents, comprising both textual and tabular components, existing RAG approaches…

计算与语言 · 计算机科学 2025-10-01 Xiaohan Yu , Pu Jian , Chong Chen

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

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…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Yihao Ding , Siwen Luo , Hyunsuk Chung , Soyeon Caren Han

Automatically generating human-readable text describing the functionality of a program is the intent of source code summarization. Although neural language models achieve significant performance in this field, they are limited by their…

人工智能 · 计算机科学 2024-04-02 Tong Ye , Lingfei Wu , Tengfei Ma , Xuhong Zhang , Yangkai Du , Peiyu Liu , Shouling Ji , Wenhai Wang

We revisit the classic problem of document-level role-filler entity extraction (REE) for template filling. We argue that sentence-level approaches are ill-suited to the task and introduce a generative transformer-based encoder-decoder…

计算与语言 · 计算机科学 2021-02-01 Xinya Du , Alexander M. Rush , Claire Cardie

Advances in Visually Rich Document Understanding (VrDU) have enabled information extraction and question answering over documents with complex layouts. Two tropes of architectures have emerged -- transformer-based models inspired by LLMs,…

计算与语言 · 计算机科学 2024-01-08 Dongsheng Wang , Zhiqiang Ma , Armineh Nourbakhsh , Kang Gu , Sameena Shah

Visual Question-Answering (VQA) is a challenging multimodal task that requires integrating visual and textual information to generate accurate responses. While multimodal Retrieval-Augmented Generation (mRAG) has shown promise in enhancing…

计算与语言 · 计算机科学 2026-01-29 Zhuo Chen , Xinyu Geng , Xinyu Wang , Yong Jiang , Zhen Zhang , Pengjun Xie , Kewei Tu

Large Vision-Language Models (LVLMs) have demonstrated strong multimodal reasoning capabilities on long and complex documents. However, their high memory footprint makes them impractical for deployment on resource-constrained edge devices.…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Tanveer Hannan , Dimitrios Mallios , Parth Pathak , Faegheh Sardari , Thomas Seidl , Gedas Bertasius , Mohsen Fayyaz , Sunando Sengupta

Open-domain question answering (ODQA) has emerged as a pivotal research spotlight in information systems. Existing methods follow two main paradigms to collect evidence: (1) The \textit{retrieve-then-read} paradigm retrieves pertinent…

计算与语言 · 计算机科学 2024-03-11 Hongda Sun , Yuxuan Liu , Chengwei Wu , Haiyu Yan , Cheng Tai , Xin Gao , Shuo Shang , Rui Yan

We introduce Venn Diagram (VD) Prompting, an innovative prompting technique which allows Large Language Models (LLMs) to combine and synthesize information across complex, diverse and long-context documents in knowledge-intensive…

计算与语言 · 计算机科学 2024-06-11 Sakshi Mahendru , Tejul Pandit

Graph-based retrieval-augmented generation (RAG) enriches large language models (LLMs) with external knowledge for long-context understanding and multi-hop reasoning, but existing methods face a granularity dilemma: fine-grained…

计算与语言 · 计算机科学 2025-09-26 Yaxiong Wu , Jianyuan Bo , Yongyue Zhang , Sheng Liang , Yong Liu

Natural Questions is a new challenging machine reading comprehension benchmark with two-grained answers, which are a long answer (typically a paragraph) and a short answer (one or more entities inside the long answer). Despite the…

计算与语言 · 计算机科学 2020-05-14 Bo Zheng , Haoyang Wen , Yaobo Liang , Nan Duan , Wanxiang Che , Daxin Jiang , Ming Zhou , Ting Liu

Multimodal learning combining pathology images and genomic sequences enhances cancer survival analysis but faces clinical implementation barriers due to limited access to genomic sequencing in under-resourced regions. To enable survival…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Zizhi Chen , Minghao Han , Xukun Zhang , Shuwei Ma , Tao Liu , Xing Wei , Lihua Zhang

Document reconstruction constitutes a significant facet of document analysis and recognition, a field that has been progressively accruing interest within the scholarly community. A multitude of these researchers employ an array of document…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Xin Li , Mingming Gong , Yunfei Wu , Jianxin Dai , Antai Guo , Xinghua Jiang , Haoyu Cao , Yinsong Liu , Deqiang Jiang , Xing Sun

Document layout analysis (DLA) is the task of detecting the distinct, semantic content within a document and correctly classifying these items into an appropriate category (e.g., text, title, figure). DLA pipelines enable users to convert…

Recent document question answering models consist of two key components: the vision encoder, which captures layout and visual elements in images, and a Large Language Model (LLM) that helps contextualize questions to the image and…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Nidhi Hegde , Sujoy Paul , Gagan Madan , Gaurav Aggarwal

While large language models (LLMs) have shown remarkable capabilities in natural language processing, they struggle with complex, multi-step reasoning tasks involving knowledge graphs (KGs). Existing approaches that integrate LLMs and KGs…

计算与语言 · 计算机科学 2024-09-25 Zixuan Dong , Baoyun Peng , Yufei Wang , Jia Fu , Xiaodong Wang , Yongxue Shan , Xin Zhou

In multi-modal reasoning tasks, such as visual question answering (VQA), there have been many modeling and training paradigms tested. Previous models propose different methods for the vision and language tasks, but which ones perform the…

机器学习 · 计算机科学 2021-03-23 Karan Samel , Zelin Zhao , Binghong Chen , Kuan Wang , Robin Luo , Le Song