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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

Data plays a fundamental role in consolidating markets, services, and products in the digital financial ecosystem. However, the use of real data, especially in the financial context, can lead to privacy risks and access restrictions,…

Computer-assisted surgical (CAS) systems enhance surgical execution and outcomes by providing advanced support to surgeons. These systems often rely on deep learning models trained on complex, challenging-to-annotate data. While synthetic…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Sabina Martyniak , Joanna Kaleta , Diego Dall'Alba , Michał Naskręt , Szymon Płotka , Przemysław Korzeniowski

Unlike image or text domains that benefit from an abundance of large-scale datasets, point cloud learning techniques frequently encounter limitations due to the scarcity of extensive datasets. To overcome this limitation, we present…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Ivan Sipiran , Gustavo Santelices , Lucas Oyarzún , Andrea Ranieri , Chiara Romanengo , Silvia Biasotti , Bianca Falcidieno

Access to individual-level health data is essential for gaining new insights and advancing science. In particular, modern methods based on artificial intelligence rely on the availability of and access to large datasets. In the health…

Generating synthetic images is a useful method for cheaply obtaining labeled data for training computer vision models. However, obtaining accurate 3D models of relevant objects is necessary, and the resulting images often have a gap in…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Bram Vanherle , Brent Zoomers , Jeroen Put , Frank Van Reeth , Nick Michiels

As large language models (LLMs) advance, their ability to perform in-context learning and few-shot language generation has improved significantly. This has spurred using LLMs to produce high-quality synthetic data to enhance the performance…

计算与语言 · 计算机科学 2025-02-18 Jiyuan Ren , Zhaocheng Du , Zhihao Wen , Qinglin Jia , Sunhao Dai , Chuhan Wu , Zhenhua Dong

Cluster analysis relies on effective benchmarks for evaluating and comparing different algorithms. Simulation studies on synthetic data are popular because important features of the data sets, such as the overlap between clusters, or the…

机器学习 · 计算机科学 2025-02-19 Michael J. Zellinger , Peter Bühlmann

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

Generating synthetic data through generative models is gaining interest in the ML community and beyond, promising a future where datasets can be tailored to individual needs. Unfortunately, synthetic data is usually not perfect, resulting…

机器学习 · 计算机科学 2023-07-11 Boris van Breugel , Zhaozhi Qian , Mihaela van der Schaar

Large-scale data collection by means of wireless sensor network and internet-of-things technology poses various challenges in view of the limitations in transmission, computation, and energy resources of the associated wireless devices.…

信号处理 · 电气工程与系统科学 2017-09-25 Nikos Deligiannis , João F. C. Mota , Evangelos Zimos , Miguel R. D. Rodrigues

The increasing need for data privacy and the demand for robust machine learning models have fueled the development of synthetic data generation techniques. However, current methods often succeed in replicating simple summary statistics but…

机器学习 · 计算机科学 2025-10-27 Jens E. d'Hondt , Wieger R. Punter , Odysseas Papapetrou

Instance-wise feature selection and ranking methods can achieve a good selection of task-friendly features for each sample in the context of neural networks. However, existing approaches that assume feature subsets to be independent are…

机器学习 · 计算机科学 2023-08-02 Hanyu Peng , Guanhua Fang , Ping Li

Synthetic data is emerging as a cost-effective solution necessary to meet the increasing data demands of AI development, created either from existing knowledge or derived from real data. The traditional classification of synthetic data…

机器学习 · 计算机科学 2025-08-07 Vibeke Binz Vallevik , Serena Elizabeth Marshall , Aleksandar Babic , Jan Franz Nygaard

Deep metric learning aims to learn embeddings that contain semantic similarity information among data points. To learn better embeddings, methods to generate synthetic hard samples have been proposed. Existing methods of synthetic hard…

计算机视觉与模式识别 · 计算机科学 2020-04-24 Geonmo Gu , Byungsoo Ko

Generative models have become a powerful tool for synthesizing training data in computer vision tasks. Current approaches solely focus on aligning generated images with the target dataset distribution. As a result, they capture only the…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Zerun Wang , Jiafeng Mao , Xueting Wang , Toshihiko Yamasaki

Document-level knowledge graph (KG) construction faces a fundamental scaling challenge: existing methods either rely on expensive large language models (LLMs), making them economically nonviable for large-scale corpora, or employ smaller…

Accurate and comprehensive clinical documentation is crucial for delivering high-quality healthcare, facilitating effective communication among providers, and ensuring compliance with regulatory requirements. However, manual transcription…

计算与语言 · 计算机科学 2024-06-12 Anjanava Biswas , Wrick Talukdar

Synthetic data generation, leveraging generative machine learning techniques, offers a promising approach to mitigating privacy concerns associated with real-world data usage. Synthetic data closely resembles real-world data while…

机器学习 · 计算机科学 2025-08-25 Weijie Niu , Alberto Huertas Celdran , Karoline Siarsky , Burkhard Stiller

In recent years, with the rapid advancements in large language models (LLMs), achieving excellent empathetic response capabilities has become a crucial prerequisite. Consequently, managing and understanding empathetic datasets have gained…

计算与语言 · 计算机科学 2024-08-13 Hao Liang , Linzhuang Sun , Jingxuan Wei , Xijie Huang , Linkun Sun , Bihui Yu , Conghui He , Wentao Zhang