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Generative adversarial networks (GANs) are one of the most widely used generative models. GANs can learn complex multi-modal distributions, and generate real-like samples. Despite the major success of GANs in generating synthetic data, they…

机器学习 · 计算机科学 2021-09-07 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

Deep generative models (DGM) are neural networks with many hidden layers trained to approximate complicated, high-dimensional probability distributions using a large number of samples. When trained successfully, we can use the DGMs to…

机器学习 · 计算机科学 2021-04-13 Lars Ruthotto , Eldad Haber

In this work, we propose a novel Cycle In Cycle Generative Adversarial Network (C$^2$GAN) for the task of keypoint-guided image generation. The proposed C$^2$GAN is a cross-modal framework exploring a joint exploitation of the keypoint and…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Hao Tang , Dan Xu , Gaowen Liu , Wei Wang , Nicu Sebe , Yan Yan

Generalized linear models (GLMs) arise in high-dimensional machine learning, statistics, communications and signal processing. In this paper we analyze GLMs when the data matrix is random, as relevant in problems such as compressed sensing,…

信息论 · 计算机科学 2019-04-01 Jean Barbier , Florent Krzakala , Nicolas Macris , Léo Miolane , Lenka Zdeborová

Generating high-fidelity time series data using generative adversarial networks (GANs) remains a challenging task, as it is difficult to capture the temporal dependence of joint probability distributions induced by time-series data. Towards…

机器学习 · 计算机科学 2024-04-09 Hang Lou , Siran Li , Hao Ni

Most machine learning techniques are based upon statistical learning theory, often simplified for the sake of computing speed. This paper is focused on the uncertainty aspect of mathematical modeling in machine learning. Regression analysis…

机器学习 · 计算机科学 2022-06-07 Valentin Arkov

Anomalous crack region detection is a typical binary semantic segmentation task, which aims to detect pixels representing cracks on pavement surface images automatically by algorithms. Although existing deep learning-based methods have…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Lei Xu , Moncef Gabbouj

One of the most significant challenges in statistical signal processing and machine learning is how to obtain a generative model that can produce samples of large-scale data distribution, such as images and speeches. Generative Adversarial…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Pegah Salehi , Abdolah Chalechale , Maryam Taghizadeh

When sample data are governed by an unknown sequence of independent but possibly non-identical distributions, the data-generating process (DGP) in general cannot be perfectly identified from the data. For making decisions facing such…

理论经济学 · 经济学 2022-05-11 Xiaoyu Cheng

A common problem when forecasting rare events, such as recessions, is limited data availability. Recent advancements in deep learning and generative adversarial networks (GANs) make it possible to produce high-fidelity synthetic data in…

机器学习 · 计算机科学 2023-02-22 Sam Dannels

When machine learning models encounter data which is out of the distribution on which they were trained they have a tendency to behave poorly, most prominently over-confidence in erroneous predictions. Such behaviours will have disastrous…

机器学习 · 计算机科学 2021-06-25 Jack Dymond

This paper aims to address the challenge of data generation beyond the training data and proposes a framework for Structural Extrapolated Data GEneration (SEDGE) based on suitable assumptions on the underlying data-generating process. We…

机器学习 · 计算机科学 2026-05-15 Kun Zhang , Jiaqi Sun , Yiqing Li , Ignavier Ng , Namrata Deka , Shaoan Xie

Deep learning-based approaches achieve state-of-the-art performance in the majority of image segmentation benchmarks. However, training of such models requires a sizable amount of manual annotations. In order to reduce this effort, we…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Mahdyar Ravanbakhsh , Tassilo Klein , Kayhan Batmanghelich , Moin Nabi

The machine learning community has mainly relied on real data to benchmark algorithms as it provides compelling evidence of model applicability. Evaluation on synthetic datasets can be a powerful tool to provide a better understanding of a…

机器学习 · 计算机科学 2022-11-01 Florence Regol , Anja Kroon , Mark Coates

In an effort to address the training instabilities of GANs, we introduce a class of dual-objective GANs with different value functions (objectives) for the generator (G) and discriminator (D). In particular, we model each objective using…

机器学习 · 计算机科学 2023-05-04 Monica Welfert , Kyle Otstot , Gowtham R. Kurri , Lalitha Sankar

Recently, generative machine-learning models have gained popularity in physics, driven by the goal of improving the efficiency of Markov chain Monte Carlo techniques and of exploring their potential in capturing experimental data…

统计力学 · 物理学 2021-09-03 Japneet Singh , Vipul Arora , Vinay Gupta , Mathias S. Scheurer

Purpose: The objective of this work is to introduce an advanced framework designed to enhance ultrasound images, especially those captured by portable hand-held devices, which often produce lower quality images due to hardware constraints.…

图像与视频处理 · 电气工程与系统科学 2024-12-19 Shreeram Athreya , Ashwath Radhachandran , Vedrana Ivezić , Vivek Sant , Corey W. Arnold , William Speier

This study delves into the application of Generative Adversarial Networks (GANs) within the context of imbalanced datasets. Our primary aim is to enhance the performance and stability of GANs in such datasets. In pursuit of this objective,…

机器学习 · 计算机科学 2023-12-11 Ali Anaissi , Yuanzhe Jia , Ali Braytee , Mohamad Naji , Widad Alyassine

The problem of sequentially maximizing the expectation of a function seeks to maximize the expected value of a function of interest without having direct control on its features. Instead, the distribution of such features depends on a given…

机器学习 · 统计学 2022-10-26 Diego Martinez-Taboada , Dino Sejdinovic

In this paper, a new semi-supervised deep multiple-input multiple-output (MIMO) detection approach using a cycle-consistent generative adversarial network (CycleGAN) is proposed for communication systems without any prior knowledge of…

信号处理 · 电气工程与系统科学 2023-04-24 Hongzhi Zhu , Yongliang Guo , Wei Xu , Xiaohu You