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Diffusion generative models transform noise into data by inverting a process that progressively adds noise to data samples. Inspired by concepts from the renormalization group in physics, which analyzes systems across different scales, we…

机器学习 · 计算机科学 2024-10-04 Mathis Gerdes , Max Welling , Miranda C. N. Cheng

We study the problem of 3D object generation. We propose a novel framework, namely 3D Generative Adversarial Network (3D-GAN), which generates 3D objects from a probabilistic space by leveraging recent advances in volumetric convolutional…

计算机视觉与模式识别 · 计算机科学 2017-01-05 Jiajun Wu , Chengkai Zhang , Tianfan Xue , William T. Freeman , Joshua B. Tenenbaum

While deep neural networks have achieved remarkable success in various computer vision tasks, they often fail to generalize to new domains and subtle variations of input images. Several defenses have been proposed to improve the robustness…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Omid Poursaeed , Tianxing Jiang , Harry Yang , Serge Belongie , SerNam Lim

Deep generative models have demonstrated effectiveness in learning compact and expressive design representations that significantly improve geometric design optimization. However, these models do not consider the uncertainty introduced by…

计算工程、金融与科学 · 计算机科学 2022-10-10 Wei Wayne Chen , Doksoo Lee , Oluwaseyi Balogun , Wei Chen

How should we evaluate the quality of generative models? Many existing metrics focus on a model's producibility, i.e. the quality and breadth of outputs it can generate. However, the actual value from using a generative model stems not just…

机器学习 · 计算机科学 2025-11-13 Keyon Vafa , Sarah Bentley , Jon Kleinberg , Sendhil Mullainathan

This work initiates the systematic study of explicit distributions that are indistinguishable from a single exponential-size combinatorial object. In this we extend the work of Goldreich, Goldwasser and Nussboim (SICOMP 2010) that focused…

计算复杂性 · 计算机科学 2023-02-27 Lunjia Hu , Inbal Livni-Navon , Omer Reingold

Recent deep generative models are able to provide photo-realistic images as well as visual or textual content embeddings useful to address various tasks of computer vision and natural language processing. Their usefulness is nevertheless…

机器学习 · 计算机科学 2020-01-29 Antoine Plumerault , Hervé Le Borgne , Céline Hudelot

Most of the methods that produce space weather forecasts are based on deterministic models. In order to generate a probabilistic forecast, a model needs to be run several times sampling the input parameter space, in order to generate an…

空间物理 · 物理学 2019-05-01 Enrico Camporeale , Xiangning Chu , Oleksiy Agapitov , Jacob Bortnik

The goal of standard 1-bit compressive sensing is to accurately recover an unknown sparse vector from binary-valued measurements, each indicating the sign of a linear function of the vector. Motivated by recent advances in compressive…

机器学习 · 统计学 2020-06-23 Zhaoqiang Liu , Selwyn Gomes , Avtansh Tiwari , Jonathan Scarlett

Many backdoor removal techniques in machine learning models require clean in-distribution data, which may not always be available due to proprietary datasets. Model inversion techniques, often considered privacy threats, can reconstruct…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Si Chen , Yi Zeng , Jiachen T. Wang , Won Park , Xun Chen , Lingjuan Lyu , Zhuoqing Mao , Ruoxi Jia

In many domains generating variable length sequences through insertions provides greater flexibility over autoregressive models. However, the action space of insertion models is much larger than that of autoregressive models (ARMs) making…

Restricted Boltzmann Machines and Deep Belief Networks have been successfully used in probabilistic generative model applications such as image occlusion removal, pattern completion and motion synthesis. Generative inference in such…

神经与进化计算 · 计算机科学 2016-02-22 Ojash Neopane , Srinjoy Das , Ery Arias-Castro , Kenneth Kreutz-Delgado

The geometry of generative models serves as the basis for interpolation, model inspection, and more. Unfortunately, most generative models lack a principal notion of geometry without restrictive assumptions on either the model or the data…

机器学习 · 计算机科学 2026-01-30 Frederik Möbius Rygaard , Shen Zhu , Yinzhu Jin , Søren Hauberg , Tom Fletcher

In this paper, we present a unified framework for decision making under uncertainty. Our framework is based on the composite of two risk measures, where the inner risk measure accounts for the risk of decision given the exact distribution…

最优化与控制 · 数学 2015-01-07 Pengyu Qian , Zizhuo Wang , Zaiwen Wen

Ensuring robust model performance in diverse real-world scenarios requires addressing generalizability across domains with covariate shifts. However, no formal procedure exists for statistically evaluating generalizability in machine…

机器学习 · 计算机科学 2025-06-13 Daniel de Vassimon Manela , Linying Yang , Robin J. Evans

Mechanical metamaterials represent an innovative class of artificial structures, distinguished by their extraordinary mechanical characteristics, which are beyond the scope of traditional natural materials. The use of deep generative models…

信号处理 · 电气工程与系统科学 2024-07-31 Zihan Wang , Anindya Bhaduri , Hongyi Xu , Liping Wang

Many segmentation tasks, such as medical image segmentation or future state prediction, are inherently ambiguous, meaning that multiple predictions are equally correct. Current methods typically rely on generative models to capture this…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Sebastian Gerard , Josephine Sullivan

This paper revisits the robust overfitting phenomenon of adversarial training. Observing that models with better robust generalization performance are less certain in predicting adversarially generated training inputs, we argue that…

机器学习 · 计算机科学 2025-01-15 Minxing Zhang , Michael Backes , Xiao Zhang

Bayesian inference on structured models typically relies on the ability to infer posterior distributions of underlying hidden variables. However, inference in implicit models or complex posterior distributions is hard. A popular tool for…

机器学习 · 统计学 2016-12-16 Theofanis Karaletsos

Generative models show great promise for the inverse design of molecules and inorganic crystals, but remain largely ineffective within more complex structures such as amorphous materials. Here, we present a diffusion model that reliably…

无序系统与神经网络 · 物理学 2026-01-21 Kai Yang , Daniel Schwalbe-Koda