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相关论文: Population Synthesis using Incomplete Information

200 篇论文

In agent-based simulations, synthetic populations of agents are commonly used to represent the structure, behaviour, and interactions of individuals. However, generating a synthetic population that accurately reflects real population…

多智能体系统 · 计算机科学 2024-07-04 Imran Mahmood , Nicholas Bishop , Anisoara Calinescu , Michael Wooldridge , Ioannis Zachos

The key to overcome class imbalance problems is to capture the distribution of minority class accurately. Generative Adversarial Networks (GANs) have shown some potentials to tackle class imbalance problems due to their capability of…

机器学习 · 计算机科学 2020-08-06 Jingyu Hao , Chengjia Wang , Heye Zhang , Guang Yang

Generative-adversarial networks (GANs) have been used to produce data closely resembling example data in a compressed, latent space that is close to sufficient for reconstruction in the original vector space. The Wasserstein metric has been…

机器学习 · 统计学 2022-10-10 Oliver Serang

Generative Adversarial Networks (GANs) advance face synthesis through learning the underlying distribution of observed data. Despite the high-quality generated faces, some minority groups can be rarely generated from the trained models due…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Shuhan Tan , Yujun Shen , Bolei Zhou

Synthetic contact networks are useful for modeling epidemic spread and social transmission, but data to infer realistic contact patterns that take account of assortative connections at the geographic and economic levels is limited. We…

社会与信息网络 · 计算机科学 2024-06-24 Alexander Y. Tulchinsky , Fardad Haghpanah , Alisa Hamilton , Nodar Kipshidze , Eili Y. Klein

Human-centered data collection is typically costly and implicates issues of privacy. Various solutions have been proposed in the literature to reduce this cost, such as crowdsourced data collection, or the use of semi-supervised algorithms.…

信号处理 · 电气工程与系统科学 2021-05-07 Mohammad Nabati , Hojjat Navidan , Reza Shahbazian , Seyed Ali Ghorashi , David Windridge

Class imbalance is a common problem in supervised learning and impedes the predictive performance of classification models. Popular countermeasures include oversampling the minority class. Standard methods like SMOTE rely on finding nearest…

机器学习 · 计算机科学 2020-08-24 Justin Engelmann , Stefan Lessmann

The study of quantum generative models is well-motivated, not only because of its importance in quantum machine learning and quantum chemistry but also because of the perspective of its implementation on near-term quantum machines. Inspired…

量子物理 · 物理学 2019-11-04 Shouvanik Chakrabarti , Yiming Huang , Tongyang Li , Soheil Feizi , Xiaodi Wu

We revisit the problem of generating synthetic data under differential privacy. To address the core limitations of marginal-based methods, we propose the Private Adaptive Generative Adversarial Network with Bayes Network Structure…

机器学习 · 统计学 2025-11-12 Ke Jia , Yuheng Ma , Yang Li , Feifei Wang

In this paper, we study a physics-informed algorithm for Wasserstein Generative Adversarial Networks (WGANs) for uncertainty quantification in solutions of partial differential equations. By using groupsort activation functions in…

数值分析 · 数学 2022-08-10 Yihang Gao , Michael K. Ng

Generating images from natural language is one of the primary applications of recent conditional generative models. Besides testing our ability to model conditional, highly dimensional distributions, text to image synthesis has many…

计算机视觉与模式识别 · 计算机科学 2018-05-03 Cristian Bodnar

Insufficient training data is a major bottleneck for most deep learning practices, not least in medical imaging where data is difficult to collect and publicly available datasets are scarce due to ethics and privacy. This work investigates…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Gabriel Eilertsen , Apostolia Tsirikoglou , Claes Lundström , Jonas Unger

To effectively process impulse noise for narrowband powerline communications (NB-PLCs) transceivers, capturing comprehensive statistics of nonperiodic asynchronous impulsive noise (APIN) is a critical task. However, existing mathematical…

信号处理 · 电气工程与系统科学 2025-10-30 Ying-Ren Chien , Po-Heng Chou , You-Jie Peng , Chun-Yuan Huang , Hen-Wai Tsao , Yu Tsao

Limited data availability in machine learning significantly impacts performance and generalization. Traditional augmentation methods enhance moderately sufficient datasets. GANs struggle with convergence when generating diverse samples.…

机器学习 · 计算机科学 2024-10-02 Vahid Jebraeeli , Bo Jiang , Hamid Krim , Derya Cansever

Churn prediction in credit cards, fraud detection in insurance, and loan default prediction are important analytical customer relationship management (ACRM) problems. Since frauds, churns and defaults happen less frequently, the datasets…

机器学习 · 计算机科学 2022-02-11 Prateek Kate , Vadlamani Ravi , Akhilesh Gangwar

Evaluation of large-scale fingerprint search algorithms has been limited due to lack of publicly available datasets. To address this problem, we utilize a Generative Adversarial Network (GAN) to synthesize a fingerprint dataset consisting…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Vishesh Mistry , Joshua J. Engelsma , Anil K. Jain

In this work, we propose a novel data augmentation method for clinical audio datasets based on a conditional Wasserstein Generative Adversarial Network with Gradient Penalty (cWGAN-GP), operating on log-mel spectrograms. To validate our…

声音 · 计算机科学 2025-02-11 Matthias Seibold , Armando Hoch , Mazda Farshad , Nassir Navab , Philipp Fürnstahl

In this paper we investigate the ability of generative adversarial networks (GANs) to synthesize spoofing attacks on modern speaker recognition systems. We first show that samples generated with SampleRNN and WaveNet are unable to fool a…

声音 · 计算机科学 2018-01-09 Wilson Cai , Anish Doshi , Rafael Valle

In this work, we develop a privacy-by-design generative model for synthesizing the activity diary of the travel population using state-of-art deep learning approaches. This proposed approach extends literature on population synthesis by…

机器学习 · 计算机科学 2021-01-01 Godwin Badu-Marfo , Bilal Farooq , Zachary Patterson

Medical image synthesis is a challenging task due to the scarcity of paired data. Several methods have applied CycleGAN to leverage unpaired data, but they often generate inaccurate mappings that shift the anatomy. This problem is further…

图像与视频处理 · 电气工程与系统科学 2023-08-02 Minh Hieu Phan , Zhibin Liao , Johan W. Verjans , Minh-Son To