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Bi-temporal change detection at scale based on Very High Resolution (VHR) images is crucial for Earth monitoring. This remains poorly addressed so far: methods either require large volumes of annotated data (semantic case), or are limited…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Yanis Benidir , Nicolas Gonthier , Clement Mallet

Access to large-scale high-quality healthcare databases is key to accelerate medical research and make insightful discoveries about diseases. However, access to such data is often limited by patient privacy concerns, data sharing…

Recent advances in generative modelling have led many to see synthetic data as the go-to solution for a range of problems around data access, scarcity, and under-representation. In this paper, we study three prominent use cases: (1) Sharing…

机器学习 · 计算机科学 2026-02-04 Bogdan Kulynych , Theresa Stadler , Jean Louis Raisaro , Carmela Troncoso

Anomaly detection is vital in many domains, such as finance, healthcare, and cybersecurity. In this paper, we propose a novel deep anomaly detection method for tabular data that leverages Non-Parametric Transformers (NPTs), a model…

机器学习 · 计算机科学 2024-05-03 Hugo Thimonier , Fabrice Popineau , Arpad Rimmel , Bich-Liên Doan

Synthetic tabular data generation has gained significant attention for its potential in data augmentation and privacy-preserving data sharing. While recent methods like diffusion and auto-regressive models (i.e., transformer) have advanced…

机器学习 · 计算机科学 2025-12-15 Jiayu Li , Zilong Zhao , Kevin Yee , Uzair Javaid , Biplab Sikdar

Table Structure Recognition is an essential part of end-to-end tabular data extraction in document images. The recent success of deep learning model architectures in computer vision remains to be non-reflective in table structure…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Umar Khan , Sohaib Zahid , Muhammad Asad Ali , Adnan ul Hassan , Faisal Shafait

Synthetic data has garnered attention as a Privacy Enhancing Technology (PET) in sectors such as healthcare and finance. When using synthetic data in practical applications, it is important to provide protection guarantees. In the…

The rapid advancement of generative Artificial Intelligence (AI) has introduced significant challenges for reliable AI-generated image detection. Existing detectors often suffer from performance degradation under distribution shifts and…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Thanasis Pantsios , Dimitrios Karageorgiou , Christos Koutlis , George Karantaidis , Olga Papadopoulou , Symeon Papadopoulos

Training data has been proven to be one of the most critical components in training generative AI. However, obtaining high-quality data remains challenging, with data privacy issues presenting a significant hurdle. To address the need for…

计算与语言 · 计算机科学 2025-06-18 Jia-Chen Zhang , Zheng Zhou , Yu-Jie Xiong , Chun-Ming Xia , Fei Dai

Companies and individuals produce numerous tabular data. The objective of this position paper is to draw up the challenges posed by the automatic integration of data in the form of tables so that they can be cross-analyzed. We provide a…

数据库 · 计算机科学 2020-09-02 Yuzhao Yang , Jérôme Darmont , Franck Ravat , Olivier Teste

In this paper, we propose a novel feature weighting method to address the limitation of existing feature processing methods for tabular data. Typically the existing methods assume equal importance across all samples and features in one…

机器学习 · 计算机科学 2024-05-20 Xinhao Zhang , Zaitian Wang , Lu Jiang , Wanfu Gao , Pengfei Wang , Kunpeng Liu

Realistic synthetic tabular data generation encounters significant challenges in preserving privacy, especially when dealing with sensitive information in domains like finance and healthcare. In this paper, we introduce \textit{Federated…

机器学习 · 计算机科学 2024-01-15 Timur Sattarov , Marco Schreyer , Damian Borth

The emergence of generative AI models has dramatically expanded the availability and use of synthetic data across scientific, industrial, and policy domains. While these developments open new possibilities for data analysis, they also raise…

机器学习 · 统计学 2026-03-06 Ahmad Abdel-Azim , Ruoyu Wang , Xihong Lin

The remarkable success of Deep Learning approaches is often based and demonstrated on large public datasets. However, when applying such approaches to internal, private datasets, one frequently faces challenges arising from structural…

机器学习 · 计算机科学 2025-04-30 Dayananda Herurkar , Jörn Hees , Vesselin Tzvetkov , Andreas Dengel

High-dimensional data must be highly structured to be learnable. Although the compositional and hierarchical nature of data is often put forward to explain learnability, quantitative measurements establishing these properties are scarce.…

机器学习 · 统计学 2025-03-04 Antonio Sclocchi , Alessandro Favero , Noam Itzhak Levi , Matthieu Wyart

Modeling the probability distribution of rows in tabular data and generating realistic synthetic data is a non-trivial task. Tabular data usually contains a mix of discrete and continuous columns. Continuous columns may have multiple modes…

机器学习 · 计算机科学 2019-10-29 Lei Xu , Maria Skoularidou , Alfredo Cuesta-Infante , Kalyan Veeramachaneni

With the rapid evolution of social media, fake news has become a significant social problem, which cannot be addressed in a timely manner using manual investigation. This has motivated numerous studies on automating fake news detection.…

计算与语言 · 计算机科学 2021-02-25 Amila Silva , Ling Luo , Shanika Karunasekera , Christopher Leckie

In the era of data-driven decision-making, accurate table-level representations and efficient table recommendation systems are becoming increasingly crucial for improving table management, discovery, and analysis. However, existing…

机器学习 · 计算机科学 2024-11-07 Dayu Yang , Natawut Monaikul , Amanda Ding , Bozhao Tan , Kishore Mosaliganti , Giri Iyengar

Understanding the semantics of tables at scale is crucial for tasks like data integration, preparation, and search. Table understanding methods aim at detecting a table's topic, semantic column types, column relations, or entities. With the…

数据库 · 计算机科学 2021-09-14 Madelon Hulsebos , Sneha Gathani , James Gale , Isil Dillig , Paul Groth , Çağatay Demiralp

Although highly valuable for a variety of applications, urban mobility data is rarely made openly available as it contains sensitive personal information. Synthetic data aims to solve this issue by generating artificial data that resembles…

密码学与安全 · 计算机科学 2024-07-15 Alexandra Kapp , Julia Hansmeyer , Helena Mihaljević