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Recent advances in generative modeling have led to an increased interest in the study of statistical divergences as means of model comparison. Commonly used evaluation methods, such as the Frechet Inception Distance (FID), correlate well…

机器学习 · 统计学 2018-10-30 Mehdi S. M. Sajjadi , Olivier Bachem , Mario Lucic , Olivier Bousquet , Sylvain Gelly

Auto-encoding generative adversarial networks (GANs) combine the standard GAN algorithm, which discriminates between real and model-generated data, with a reconstruction loss given by an auto-encoder. Such models aim to prevent mode…

机器学习 · 统计学 2017-10-24 Mihaela Rosca , Balaji Lakshminarayanan , David Warde-Farley , Shakir Mohamed

We propose the Margin Adaptation for Generative Adversarial Networks (MAGANs) algorithm, a novel training procedure for GANs to improve stability and performance by using an adaptive hinge loss function. We estimate the appropriate hinge…

机器学习 · 计算机科学 2017-05-24 Ruohan Wang , Antoine Cully , Hyung Jin Chang , Yiannis Demiris

We propose a new score-based model with one-step sampling. Previously, score-based models were burdened with heavy computations due to iterative sampling. For substituting the iterative process, we train a standalone generator to compress…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Senmao Ye , Fei Liu

Generative models are undoubtedly a hot topic in Artificial Intelligence, among which the most common type is Generative Adversarial Networks (GANs). These architectures let one synthesise artificial datasets by implicitly modelling the…

机器学习 · 计算机科学 2020-07-07 Francisco J. Ibarrola , Nishant Ravikumar , Alejandro F. Frangi

This survey provides a comprehensive review on recent advancements of generative learning models in robotic manipulation, addressing key challenges in the field. Robotic manipulation faces critical bottlenecks, including significant…

The choice of representation for geographic location significantly impacts the accuracy of models for a broad range of geospatial tasks, including fine-grained species classification, population density estimation, and biome classification.…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Aayush Dhakal , Srikumar Sastry , Subash Khanal , Adeel Ahmad , Eric Xing , Nathan Jacobs

Despite the recency of their conception, Generative Adversarial Networks (GANs) constitute an extensively researched machine learning sub-field for the creation of synthetic data through deep generative modeling. GANs have consequently been…

网络与互联网体系结构 · 计算机科学 2021-05-11 Hojjat Navidan , Parisa Fard Moshiri , Mohammad Nabati , Reza Shahbazian , Seyed Ali Ghorashi , Vahid Shah-Mansouri , David Windridge

Generative Adversarial Networks (GANs) have shown impressive results in various image synthesis tasks. Vast studies have demonstrated that GANs are more powerful in feature and expression learning compared to other generative models and…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Omar De Mitri , Ruyu Wang , Marco F. Huber

The traditional approach of hand-crafting priors (such as sparsity) for solving inverse problems is slowly being replaced by the use of richer learned priors (such as those modeled by generative adversarial networks, or GANs). In this work,…

机器学习 · 计算机科学 2018-10-09 Chinmay Hegde

While norm-based and leverage-score-based methods have been extensively studied for identifying "important" data points in linear models, analogous tools for nonlinear models remain significantly underdeveloped. By introducing the concept…

机器学习 · 计算机科学 2025-05-20 Prakash Palanivelu Rajmohan , Fred Roosta

We apply methods from randomized numerical linear algebra (RandNLA) to develop improved algorithms for the analysis of large-scale time series data. We first develop a new fast algorithm to estimate the leverage scores of an autoregressive…

统计方法学 · 统计学 2021-11-02 Ali Eshragh , Fred Roosta , Asef Nazari , Michael W. Mahoney

Recently, generative adversarial networks (GANs) have shown promising performance in generating realistic images. However, they often struggle in learning complex underlying modalities in a given dataset, resulting in poor-quality generated…

计算机视觉与模式识别 · 计算机科学 2018-05-09 David Keetae Park , Seungjoo Yoo , Hyojin Bahng , Jaegul Choo , Noseong Park

It is a common practice for utilities to down-sample smart meter measurements from high resolution (e.g. 1-min or 1-sec) to low resolution (e.g. 15-, 30- or 60-min) to lower the data transmission and storage cost. However, down-sampling can…

信号处理 · 电气工程与系统科学 2022-01-28 Lidong Song , Yiyan Li , Ning Lu

In this paper, we leverage generative adversarial networks (GANs) to derive an effective algorithm LLP-GAN for learning from label proportions (LLP), where only the bag-level proportional information in labels is available. Endowed with…

机器学习 · 计算机科学 2019-12-03 Jiabin Liu , Bo Wang , Zhiquan Qi , Yingjie Tian , Yong Shi

Recent advances in Generative Adversarial Networks (GANs) have demonstrated their capability for producing high-quality images. However, a significant challenge remains mode collapse, which occurs when the generator produces a limited…

机器学习 · 计算机科学 2025-03-26 Osman Goni , Himadri Saha Arka , Mithun Halder , Mir Moynuddin Ahmed Shibly , Swakkhar Shatabda

Generative adversarial networks (GANs) usually struggle in learning from highly diverse data, whose underlying manifold is complex. In this work, we revisit the mathematical foundations of GANs, and theoretically reveal that the native…

机器学习 · 计算机科学 2025-10-02 Mengfei Xia , Yujun Shen , Ceyuan Yang , Ran Yi , Wenping Wang , Yong-Jin Liu

We present a new stage-wise learning paradigm for training generative adversarial networks (GANs). The goal of our work is to progressively strengthen the discriminator and thus, the generators, with each subsequent stage without changing…

计算机视觉与模式识别 · 计算机科学 2018-12-21 Rahul Dey , Felix Juefei-Xu , Vishnu Naresh Boddeti , Marios Savvides

Score-based Generative Models (SGMs) is one leading method in generative modeling, renowned for their ability to generate high-quality samples from complex, high-dimensional data distributions. The method enjoys empirical success and is…

机器学习 · 计算机科学 2024-01-30 Sixu Li , Shi Chen , Qin Li

Tuning curves characterizing the response selectivities of biological neurons often exhibit large degrees of irregularity and diversity across neurons. Theoretical network models that feature heterogeneous cell populations or random…

定量方法 · 定量生物学 2017-07-20 Takafumi Arakaki , G. Barello , Yashar Ahmadian