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A generative modeling framework is proposed that combines diffusion models and manifold learning to efficiently sample data densities on manifolds. The approach utilizes Diffusion Maps to uncover possible low-dimensional underlying (latent)…

机器学习 · 计算机科学 2025-04-22 Dimitris G. Giovanis , Ellis Crabtree , Roger G. Ghanem , Ioannis G. Kevrekidis

This paper demonstrates how to use generative models trained for image synthesis as tools for visual data mining. Our insight is that since contemporary generative models learn an accurate representation of their training data, we can use…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Ioannis Siglidis , Aleksander Holynski , Alexei A. Efros , Mathieu Aubry , Shiry Ginosar

Generative models hold great promise for accelerating materials discovery, but their evaluation often overlooks the chemical validity and stability requirements crucial to real-world applications. Density Functional Theory (DFT) simulations…

材料科学 · 物理学 2026-01-06 Elohan Veillon , Astrid Klipfel , Adlane Sayede , Zied Bouraoui

Deep generative models make visual content creation more accessible to novice users by automating the synthesis of diverse, realistic content based on a collected dataset. However, the current machine learning approaches miss a key element…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Sheng-Yu Wang , David Bau , Jun-Yan Zhu

Two-dimensional array-based datasets are pervasive in a variety of domains. Current approaches for generative modeling have typically been limited to conventional image datasets and performed in the pixel domain which do not explicitly…

机器学习 · 计算机科学 2021-07-12 Hoda Shajari , Jaemoon Lee , Sanjay Ranka , Anand Rangarajan

The ability to reliably predict the future quality of a wireless channel, as seen by the media access control layer, is a key enabler to improve performance of future industrial networks that do not rely on wires. Knowing in advance how…

网络与互联网体系结构 · 计算机科学 2023-06-16 Gabriele Formis , Stefano Scanzio , Gianluca Cena , Adriano Valenzano

The paper proposes a data-driven approach to air-to-ground channel estimation in a millimeter-wave wireless network on an unmanned aerial vehicle. Unlike traditional centralized learning methods that are specific to certain geographical…

网络与互联网体系结构 · 计算机科学 2023-05-31 Saira Bano , Pietro Cassarà , Nicola Tonellotto , Alberto Gotta

This study evaluates the potential of generative models, trained on historical ERA5 reanalysis data, for simulating windstorms over the UK. Four generative models, including a standard GAN, a WGAN-GP, a U-net diffusion model, and a…

大气与海洋物理 · 物理学 2025-01-28 Yee Chun Tsoi , Kieran M. R. Hunt , Len Shaffrey , Atta Badii , Richard Dixon , Ludovico Nicotina

Emotion recognition is a classic field of research with a typical setup extracting features and feeding them through a classifier for prediction. On the other hand, generative models jointly capture the distributional relationship between…

机器学习 · 计算机科学 2020-11-16 Saurabh Sahu , Rahul Gupta , Carol Espy-Wilson

With recent progress in deep generative models, the problem of identifying synthetic data and comparing their underlying generative processes has become an imperative task for various reasons, including fighting visual misinformation and…

机器学习 · 计算机科学 2022-06-07 Hae Jin Song , Wael AbdAlmageed

We present a novel metric for generative modeling evaluation, focusing primarily on generative networks. The method uses dendrograms to represent real and fake data, allowing for the divergence between training and generated samples to be…

机器学习 · 计算机科学 2023-11-29 Gustavo Sutter Carvalho , Moacir Antonelli Ponti

Generative Adversarial Networks (GANs) are a promising approach to language generation. The latest works introducing novel GAN models for language generation use n-gram based metrics for evaluation and only report single scores of the best…

计算与语言 · 计算机科学 2019-07-19 Stanislau Semeniuta , Aliaksei Severyn , Sylvain Gelly

Quality and diversity have been proposed as reasonable heuristics for assessing content generated by co-creative systems, but to date there has been little agreement around what constitutes the latter or how to measure it. Proposed…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Francisco Ibarrola , Kazjon Grace

The generation of high-quality images has become widely accessible and is a rapidly evolving process. As a result, anyone can generate images that are indistinguishable from real ones. This leads to a wide range of applications, including…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Sergey Sinitsa , Ohad Fried

The recent advancement of generative foundational models has ushered in a new era of image generation in the realm of natural images, revolutionizing art design, entertainment, environment simulation, and beyond. Despite producing…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Zhiping Yu , Chenyang Liu , Liqin Liu , Zhenwei Shi , Zhengxia Zou

In this contribution, models of wireless channels are derived from the maximum entropy principle, for several cases where only limited information about the propagation environment is available. First, analytical models are derived for the…

信息论 · 计算机科学 2007-07-13 M. Guillaud , M. Debbah , A. L. Moustakas

Many generative models have to combat $\textit{missing modes}$. The conventional wisdom to this end is by reducing through training a statistical distance (such as $f$-divergence) between the generated distribution and provided data…

机器学习 · 统计学 2019-10-28 Peilin Zhong , Yuchen Mo , Chang Xiao , Pengyu Chen , Changxi Zheng

Metrics specifying distances between data points can be learned in a discriminative manner or from generative models. In this paper, we show how to unify generative and discriminative learning of metrics via a kernel learning framework.…

机器学习 · 计算机科学 2011-09-26 Yuan Shi , Yung-Kyun Noh , Fei Sha , Daniel D. Lee

This work evaluates the robustness of quality measures of generative models such as Inception Score (IS) and Fr\'echet Inception Distance (FID). Analogous to the vulnerability of deep models against a variety of adversarial attacks, we show…

机器学习 · 计算机科学 2022-07-21 Motasem Alfarra , Juan C. Pérez , Anna Frühstück , Philip H. S. Torr , Peter Wonka , Bernard Ghanem

AI generative models leave implicit traces in their generated images, which are commonly referred to as model fingerprints and are exploited for source attribution. Prior methods rely on model-specific cues or synthesis artifacts, yielding…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Hui Xu , Chi Liu , Congcong Zhu , Minghao Wang , Youyang Qu , Longxiang Gao