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Effective building pattern recognition is critical for understanding urban form, automating map generalization, and visualizing 3D city models. Most existing studies use object-independent methods based on visual perception rules and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Zhiwei Wei , Yi Xiao , Wenjia Xu , Mi Shu , Lu Cheng , Yang Wang , Chunbo Liu

Tabular data is frequently captured in image form across a wide range of real-world scenarios such as financial reports, handwritten records, and document scans. These visual representations pose unique challenges for machine understanding,…

Artificial Intelligence · Computer Science 2026-02-10 Zhuoyan Xu , Haoyang Fang , Boran Han , Bonan Min , Bernie Wang , Cuixiong Hu , Shuai Zhang

Understanding the chemical structure from a graphical representation of a molecule is a challenging image caption task that would greatly benefit molecule-centric scientific discovery. Variations in molecular images and caption subtasks…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Siqi Fan , Yuguang Xie , Bowen Cai , Ailin Xie , Gaochao Liu , Mu Qiao , Jie Xing , Zaiqing Nie

This paper presents an approach to detect out-of-context (OOC) objects in an image. Given an image with a set of objects, our goal is to determine if an object is inconsistent with the scene context and detect the OOC object with a bounding…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Manoj Acharya , Anirban Roy , Kaushik Koneripalli , Susmit Jha , Christopher Kanan , Ajay Divakaran

The latest trend in the bottom-up perspective for arbitrary-shape scene text detection is to reason the links between text segments using Graph Convolutional Network (GCN). Notwithstanding, the performance of the best performing bottom-up…

Multimedia · Computer Science 2024-04-23 Chengpei Xu , Wenjing Jia , Tingcheng Cui , Ruomei Wang , Yuan-fang Zhang , Xiangjian He

Table structure recognition is a key task in document analysis. However, the geometric deformation in deformed tables causes a weak correlation between content information and structure, resulting in downstream tasks not being able to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Long Liu , Cihui Yang

Bottom-up layout algorithms for compound graphs are suitable for presenting the microscale view of models and are often used in model-driven engineering. However, they have difficulties at the macroscale where maintaining the overview of…

Data Structures and Algorithms · Computer Science 2024-10-14 Maximilian Kasperowski , Reinhard von Hanxleden

Patterns are fundamental to human cognition, enabling the recognition of structure and regularity across diverse domains. In this work, we focus on structural repeats, patterns that arise from the repetition of hierarchical relations within…

Computation and Language · Computer Science 2025-04-15 Zeng Ren , Xinyi Guan , Martin Rohrmeier

Lidar datasets are becoming more and more common. They are appreciated for their precise 3D nature, and have a wide range of applications, such as surface reconstruction, object detection, visualisation, etc. For all this applications,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-17 Remi Cura , Julien Perret , Nicolas Paparoditis

Fully supervised object detection has achieved great success in recent years. However, abundant bounding boxes annotations are needed for training a detector for novel classes. To reduce the human labeling effort, we propose a novel webly…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Zhonghua Wu , Qingyi Tao , Guosheng Lin , Jianfei Cai

Many data we collect today are in tabular form, with rows as records and columns as attributes associated with each record. Understanding the structural relationship in tabular data can greatly facilitate the data science process.…

Data Structures and Algorithms · Computer Science 2020-09-09 Jin Cao , Yibo Zhao , Linjun Zhang , Jason Li

Out-of-distribution (OOD) detection is crucial for ensuring the reliability of deep learning models. Existing methods mostly focus on regular entangled representations to discriminate in-distribution (ID) and OOD data, neglecting the rich…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Boyang Dai , Chaoqi Chen , Yizhou Yu

Table extraction has long been a pervasive problem in financial services. This is more challenging in the image domain, where content is locked behind cumbersome pixel format. Luckily, advances in deep learning for image segmentation, OCR,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 William Watson , Bo Liu

This papers focuses on symbol spotting on real-world digital architectural floor plans with a deep learning (DL)-based framework. Traditional on-the-fly symbol spotting methods are unable to address the semantic challenge of graphical…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Alireza Rezvanifar , Melissa Cote , Alexandra Branzan Albu

Tabular synthesis models remain ineffective at capturing complex dependencies, and the quality of synthetic data is still insufficient for comprehensive downstream tasks, such as prediction under distribution shifts, automated…

Machine Learning · Computer Science 2024-07-08 Ruibo Tu , Zineb Senane , Lele Cao , Cheng Zhang , Hedvig Kjellström , Gustav Eje Henter

We present TNCR, a new table dataset with varying image quality collected from free websites. The TNCR dataset can be used for table detection in scanned document images and their classification into 5 different classes. TNCR contains 9428…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Abdelrahman Abdallah , Alexander Berendeyev , Islam Nuradin , Daniyar Nurseitov

Object-centric learning (OCL) aims to learn representations of individual objects within visual scenes without manual supervision, facilitating efficient and effective visual reasoning. Traditional OCL methods primarily employ bottom-up…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Dongwon Kim , Seoyeon Kim , Suha Kwak

Tables on the Web contain a vast amount of knowledge in a structured form. To tap into this valuable resource, we address the problem of table retrieval: answering an information need with a ranked list of tables. We investigate this…

Information Retrieval · Computer Science 2021-05-14 Shuo Zhang , Krisztian Balog

Table Structure Recognition (TSR) is vital for various downstream tasks like information retrieval, table reconstruction, and document understanding. While most state-of-the-art (SOTA) research predominantly focuses on TSR in English…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Dhruv Kudale , Badri Vishal Kasuba , Venkatapathy Subramanian , Parag Chaudhuri , Ganesh Ramakrishnan

The goal of this paper is to detect objects by exploiting their interrelationships. Contrary to existing methods, which learn objects and relations separately, our key idea is to learn the object-relation distribution jointly. We first…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Aritra Bhowmik , Yu Wang , Nora Baka , Martin R. Oswald , Cees G. M. Snoek