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Data is commonly stored in tabular format. Several fields of research are prone to small imbalanced tabular data. Supervised Machine Learning on such data is often difficult due to class imbalance. Synthetic data generation, i.e.,…

This letter introduces an abstract learning problem called the "set embedding": The objective is to map sets into probability distributions so as to lose less information. We relate set union and intersection operations with corresponding…

机器学习 · 计算机科学 2019-12-13 Ke Sun , Frank Nielsen

Learning methods using synthetic data have attracted attention as an effective approach for increasing the diversity of training data while reducing collection costs, thereby improving the robustness of model discrimination. However, many…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Koshiro Nagano , Ryo Fujii , Ryo Hachiuma , Fumiaki Sato , Taiki Sekii , Hideo Saito

This paper proposes a new method to generate synthetic data sets based on copula models. Our goal is to produce surrogate data resembling real data in terms of marginal and joint distributions. We present a complete and reliable algorithm…

机器学习 · 计算机科学 2022-04-01 Regis Houssou , Mihai-Cezar Augustin , Efstratios Rappos , Vivien Bonvin , Stephan Robert-Nicoud

We study overparameterization in generative adversarial networks (GANs) that can interpolate the training data. We show that overparameterization can improve generalization performance and accelerate the training process. We study the…

机器学习 · 计算机科学 2024-05-02 Lorenzo Luzi , Yehuda Dar , Richard Baraniuk

Many historical map sheets are publicly available for studies that require long-term historical geographic data. The cartographic design of these maps includes a combination of map symbols and text labels. Automatically reading text labels…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Zekun Li , Runyu Guan , Qianmu Yu , Yao-Yi Chiang , Craig A. Knoblock

Optimal transport provides a robust framework for comparing probability distributions. Its effectiveness is significantly influenced by the choice of the underlying ground metric. Traditionally, the ground metric has either been (i)…

机器学习 · 计算机科学 2025-06-19 Damin Kühn , Michael T. Schaub

Imitation learning holds the promise of equipping robots with versatile skills by learning from expert demonstrations. However, policies trained on finite datasets often struggle to generalize beyond the training distribution. In this work,…

机器学习 · 计算机科学 2025-04-28 Yixiao Wang

Optimal transport (OT) distances between probability distributions are parameterized by the ground metric they use between observations. Their relevance for real-life applications strongly hinges on whether that ground metric parameter is…

机器学习 · 统计学 2020-11-06 Matthieu Heitz , Nicolas Bonneel , David Coeurjolly , Marco Cuturi , Gabriel Peyré

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

The ability to generate synthetic data has a variety of use cases across different domains. In education research, there is a growing need to have access to synthetic data to test certain concepts and ideas. In recent years, several deep…

机器学习 · 计算机科学 2022-10-18 Herkulaas MvE Combrink , Vukosi Marivate , Benjamin Rosman

In neural machine translation (NMT), monolingual data in the target language are usually exploited through a method so-called "back-translation" to synthesize additional training parallel data. The synthetic data have been shown helpful to…

计算与语言 · 计算机科学 2021-02-01 Benjamin Marie , Atsushi Fujita

Dataset distillation (DD) has emerged as a widely adopted technique for crafting a synthetic dataset that captures the essential information of a training dataset, facilitating the training of accurate neural models. Its applications span…

机器学习 · 计算机科学 2025-02-04 Saeed Vahidian , Mingyu Wang , Jianyang Gu , Vyacheslav Kungurtsev , Wei Jiang , Yiran Chen

Synthetic data is being used lately for training deep neural networks in computer vision applications such as object detection, object segmentation and 6D object pose estimation. Domain randomization hereby plays an important role in…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Parth Rawal , Mrunal Sompura , Wolfgang Hintze

Synthetic-to-real transfer learning is a framework in which a synthetically generated dataset is used to pre-train a model to improve its performance on real vision tasks. The most significant advantage of using synthetic images is that the…

Handling imbalance in class distribution when building a classifier over tabular data has been a problem of long-standing interest. One popular approach is augmenting the training dataset with synthetically generated data. While classical…

机器学习 · 计算机科学 2025-02-20 Annie D'souza , Swetha M , Sunita Sarawagi

Offline reinforcement learning (RL) offers a promising framework for training agents using pre-collected datasets without the need for further environment interaction. However, policies trained on offline data often struggle to generalise…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Ahmet H. Güzel , Ilija Bogunovic , Jack Parker-Holder

Generative models are now capable of producing highly realistic images that look nearly indistinguishable from the data on which they are trained. This raises the question: if we have good enough generative models, do we still need…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Ali Jahanian , Xavier Puig , Yonglong Tian , Phillip Isola

Feature selection is an important and active field of research in machine learning and data science. Our goal in this paper is to propose a collection of synthetic datasets that can be used as a common reference point for feature selection…

机器学习 · 计算机科学 2022-11-08 Firuz Kamalov , Hana Sulieman , Aswani Kumar Cherukuri

In this paper, we propose a novel method for generating a synthetic dataset obeying Gaussian distribution. Compared to the commonly used benchmark datasets with unknown distribution, the synthetic dataset has an explicit distribution, i.e.,…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Xinjie Lan