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This work proposes a data driven learning model for the synthesis of keystroke biometric data. The proposed method is compared with two statistical approaches based on Universal and User-dependent models. These approaches are validated on…

Synthetic data has emerged as a powerful resource in life sciences, offering solutions for data scarcity, privacy protection and accessibility constraints. By creating artificial datasets that mirror the characteristics of real data, allows…

Efficient consistency maintenance of incomplete and dynamic real-life databases is a quality label for further data analysis. In prior work, we tackled the generic problem of database updating in the presence of tuple generating constraints…

数据库 · 计算机科学 2024-05-16 Jacques Chabin , Mirian Halfeld Ferrari , Nicolas Hiot , Dominique Laurent

Synthetic data serves as an alternative in training machine learning models, particularly when real-world data is limited or inaccessible. However, ensuring that synthetic data mirrors the complex nuances of real-world data is a challenging…

机器学习 · 计算机科学 2023-10-27 Lasse Hansen , Nabeel Seedat , Mihaela van der Schaar , Andrija Petrovic

The deployment of facial recognition systems has created an ethical dilemma: achieving high accuracy requires massive datasets of real faces collected without consent, leading to dataset retractions and potential legal liabilities under…

Person re-identification (re-ID) plays an important role in applications such as public security and video surveillance. Recently, learning from synthetic data, which benefits from the popularity of synthetic data engine, have achieved…

计算机视觉与模式识别 · 计算机科学 2020-08-06 Suncheng Xiang , Yuzhuo Fu , Guanjie You , Ting Liu

Recent breakthroughs in synthetic data generation approaches made it possible to produce highly photorealistic images which are hardly distinguishable from real ones. Furthermore, synthetic generation pipelines have the potential to…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Alon Shoshan , Nadav Bhonker , Igor Kviatkovsky , Matan Fintz , Gerard Medioni

While the accuracy of face recognition systems has improved significantly in recent years, the datasets used to train these models are often collected through web crawling without the explicit consent of users, raising ethical and privacy…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Anjith George , Sebastien Marcel

The integration of machine learning and deep learning has transformed data analytics in biomechanics, enabled by extensive wearable sensor data. However, the field faces challenges such as limited large-scale datasets and high data…

机器学习 · 计算机科学 2025-08-26 Christina Halmich , Lucas Höschler , Christoph Schranz , Christian Borgelt

Machine learning heavily relies on data, but real-world applications often encounter various data-related issues. These include data of poor quality, insufficient data points leading to under-fitting of machine learning models, and…

Machine learning has the potential to assist many communities in using the large datasets that are becoming more and more available. Unfortunately, much of that potential is not being realized because it would require sharing data in a way…

机器学习 · 计算机科学 2018-07-02 James Jordon , Jinsung Yoon , Mihaela van der Schaar

The use of synthetic data to deidentify data and to improve predictive models is well-attested to. The augmentation of datasets using synthetically generated data is an alluring proposition: in the best case, it generates realistic data…

统计方法学 · 统计学 2026-03-20 Reid Dale , Jordan Rodu , Mike Baiocchi

Many constraints restricting the result of some computations over an integer sequence can be compactly represented by register automata. We improve the propagation of the conjunction of such constraints on the same sequence by synthesising…

人工智能 · 计算机科学 2019-01-29 Ekaterina Arafailova , Nicolas Beldiceanu , Helmut Simonis

In the current data driven era, synthetic data, artificially generated data that resembles the characteristics of real world data without containing actual personal information, is gaining prominence. This is due to its potential to…

机器学习 · 计算机科学 2023-09-06 Tshilidzi Marwala , Eleonore Fournier-Tombs , Serge Stinckwich

A common approach to synthetic data is to sample from a fitted model. We show that under general assumptions, this approach results in a sample with inefficient estimators and whose joint distribution is inconsistent with the true…

统计理论 · 数学 2026-02-18 Jordan Awan , Zhanrui Cai

Computer vision systems have been deployed in various applications involving biometrics like human faces. These systems can identify social media users, search for missing persons, and verify identity of individuals. While computer vision…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Guruprasad V Ramesh , Harrison Rosenberg , Ashish Hooda , Shimaa Ahmed Kassem Fawaz

Synthetic training data has gained prominence in numerous learning tasks and scenarios, offering advantages such as dataset augmentation, generalization evaluation, and privacy preservation. Despite these benefits, the efficiency of…

机器学习 · 计算机科学 2024-03-21 Jianhao Yuan , Jie Zhang , Shuyang Sun , Philip Torr , Bo Zhao

Synthetic data has gained significant momentum thanks to sophisticated machine learning tools that enable the synthesis of high-dimensional datasets. However, many generation techniques do not give the data controller control over what…

We study, from an empirical standpoint, the efficacy of synthetic data in real-world scenarios. Leveraging synthetic data for training perception models has become a key strategy embraced by the community due to its efficiency, scalability,…

机器学习 · 计算机科学 2024-03-26 Che-Jui Chang , Danrui Li , Seonghyeon Moon , Mubbasir Kapadia

Synthetic datasets are important for evaluating and testing machine learning models. When evaluating real-life recommender systems, high-dimensional categorical (and sparse) datasets are often considered. Unfortunately, there are not many…

信息检索 · 计算机科学 2024-12-11 Miha Malenšek , Blaž Škrlj , Blaž Mramor , Jure Demšar