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Open relation extraction (OpenRE) is the task of extracting relation schemes from open-domain corpora. Most existing OpenRE methods either do not fully benefit from high-quality labeled corpora or can not learn semantic representation…

Computation and Language · Computer Science 2022-06-02 Yutong Wang , Renze Lou , Kai Zhang , MaoYan Chen , Yujiu Yang

Autonomous vehicles (AVs) require reliable traffic sign recognition and robust lane detection capabilities to ensure safe navigation in complex and dynamic environments. This paper introduces an integrated approach combining advanced deep…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Chandan Kumar Sah , Ankit Kumar Shaw , Xiaoli Lian , Arsalan Shahid Baig , Tuopu Wen , Kun Jiang , Mengmeng Yang , Diange Yang

The analytical description of charts is an exciting and important research area with many applications in academia and industry. Yet, this challenging task has received limited attention from the computational linguistics research…

Computation and Language · Computer Science 2021-08-18 Jiawen Zhu , Jinye Ran , Roy Ka-wei Lee , Kenny Choo , Zhi Li

Object detection in documents is a key step to automate the structural elements identification process in a digital or scanned document through understanding the hierarchical structure and relationships between different elements. Large and…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Ayan Banerjee , Sanket Biswas , Josep Lladós , Umapada Pal

Table structure recognition is necessary for a comprehensive understanding of documents. Tables in unstructured business documents are tough to parse due to the high diversity of layouts, varying alignments of contents, and the presence of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Sachin Raja , Ajoy Mondal , C V Jawahar

Charts are commonly used for exploring data and communicating insights. Generating natural language summaries from charts can be very helpful for people in inferring key insights that would otherwise require a lot of cognitive and…

Computation and Language · Computer Science 2022-04-15 Shankar Kantharaj , Rixie Tiffany Ko Leong , Xiang Lin , Ahmed Masry , Megh Thakkar , Enamul Hoque , Shafiq Joty

As the first step of the restoration process of painted relics, sketch extraction plays an important role in cultural research. However, sketch extraction suffers from serious disease corrosion, which results in broken lines and noise. To…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Jinye Peng , Jiaxin Wang , Jun Wang , Erlei Zhang , Qunxi Zhang , Yongqin Zhang , Xianlin Peng , Kai Yu

Unconstrained text recognition is an important computer vision task, featuring a wide variety of different sub-tasks, each with its own set of challenges. One of the biggest promises of deep neural networks has been the convergence and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Mohamed Yousef , Khaled F. Hussain , Usama S. Mohammed

Maintaining roadway infrastructure is essential for ensuring a safe, efficient, and sustainable transportation system. However, manual data collection for detecting road damage is time-consuming, labor-intensive, and poses safety risks.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Vung Pham , Lan Dong Thi Ngoc , Duy-Linh Bui

Previous approaches for scene text detection have already achieved promising performances across various benchmarks. However, they usually fall short when dealing with challenging scenarios, even when equipped with deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Xinyu Zhou , Cong Yao , He Wen , Yuzhi Wang , Shuchang Zhou , Weiran He , Jiajun Liang

Structured information extraction from long, multilingual scanned financial documents is a core requirement in industrial KYC and compliance workflows. These documents are typically non machine readable, noisy, and visually heterogeneous.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Yuxuan Han , Yuanxing Zhang , Yushuo Wang , Yichao Jin , Kenneth Zhu Ke , Jingyuan Zhao

Change detection, i.e. identification per pixel of changes for some classes of interest from a set of bi-temporal co-registered images, is a fundamental task in the field of remote sensing. It remains challenging due to unrelated forms of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Foivos I. Diakogiannis , François Waldner , Peter Caccetta

Information Extraction (IE) from document images is challenging due to the high variability of layout formats. Deep models such as LayoutLM and BROS have been proposed to address this problem and have shown promising results. However, they…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Abhishek Singh , Venkatapathy Subramanian , Ayush Maheshwari , Pradeep Narayan , Devi Prasad Shetty , Ganesh Ramakrishnan

This paper presents a new state-of-the-art for document image classification and retrieval, using features learned by deep convolutional neural networks (CNNs). In object and scene analysis, deep neural nets are capable of learning a…

Computer Vision and Pattern Recognition · Computer Science 2015-02-26 Adam W. Harley , Alex Ufkes , Konstantinos G. Derpanis

At present, multi-oriented text detection methods based on deep neural network have achieved promising performances on various benchmarks. Nevertheless, there are still some difficulties for arbitrary shape text detection, especially for a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 XiaoQian Li , Jie Liu , ShuWu Zhang , GuiXuan Zhang

A chart sequence is used to describe a series of visualization charts generated in the exploratory analysis by data analysts. It provides information details in each chart as well as a logical relationship among charts. While existing…

Human-Computer Interaction · Computer Science 2019-08-08 Danqing Shi , Yang Shi , Xinyue Xu , Nan Chen , Siwei Fu , Hongjin Wu , Nan Cao

Recently, interpreting complex charts with logical reasoning has emerged as challenges due to the development of vision-language models. A prior state-of-the-art (SOTA) model has presented an end-to-end method that leverages the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Wonjoong Kim , Sangwu Park , Yeonjun In , Seokwon Han , Chanyoung Park

Hierarchical text classification, which aims to classify text documents into a given hierarchy, is an important task in many real-world applications. Recently, deep neural models are gaining increasing popularity for text classification due…

Computation and Language · Computer Science 2019-01-01 Yu Meng , Jiaming Shen , Chao Zhang , Jiawei Han

Table extraction from PDF and image documents is a ubiquitous task in the real-world. Perfect extraction quality is difficult to achieve with one single out-of-box model due to (1) the wide variety of table styles, (2) the lack of training…

Human-Computer Interaction · Computer Science 2021-02-18 Nancy Xin Ru Wang , Douglas Burdick , Yunyao Li

Complex chart understanding tasks demand advanced visual recognition and reasoning capabilities from multimodal large language models (MLLMs). However, current research provides limited coverage of complex chart scenarios and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Duo Xu , Hao Cheng , Xin Lin , Zhen Xie , Hao Wang