中文
相关论文

相关论文: Conditional Sig-Wasserstein GANs for Time Series G…

200 篇论文

Generative Adversarial Networks (GANs) have proven to be a powerful tool for generating realistic synthetic data. However, traditional GANs often struggle to capture complex relationships between features which results in generation of…

机器学习 · 计算机科学 2023-06-06 Srikrishna Iyer , Teng Teck Hou

Generative adversarial networks (GANs) have been recently adopted for super-resolution, an application closely related to what is referred to as "downscaling" in the atmospheric sciences: improving the spatial resolution of low-resolution…

图像与视频处理 · 电气工程与系统科学 2021-11-12 Jussi Leinonen , Daniele Nerini , Alexis Berne

High-resolution (HR) precipitation prediction is essential for reducing damage from stationary and localized heavy rainfall; however, HR precipitation forecasts using process-driven numerical weather prediction models remains challenging.…

机器学习 · 计算机科学 2026-05-19 Kenta Shiraishi , Yuka Muto , Atsushi Okazaki , Shunji Kotsuki

Generative adversarial networks (GANs) have proven hugely successful in variety of applications of image processing. However, generative adversarial networks for handwriting is relatively rare somehow because of difficulty of handling…

机器学习 · 计算机科学 2020-02-28 Bo Ji , Tianyi Chen

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

Many machine learning methods have been recently developed to circumvent the high computational cost of the gradient-based topology optimization. These methods typically require extensive and costly datasets for training, have a difficult…

机器学习 · 计算机科学 2021-05-10 Mohammad Mahdi Behzadi , Horea T. Ilies

Despite the remarkable empirical successes of Generative Adversarial Networks (GANs), the theoretical guarantees for their statistical accuracy remain rather pessimistic. In particular, the data distributions on which GANs are applied, such…

机器学习 · 统计学 2025-07-17 Saptarshi Chakraborty , Peter L. Bartlett

This work presents the first statistical performance guarantees for group-invariant generative models. Many real data, such as images and molecules, are invariant to certain group symmetries, which can be taken advantage of to learn more…

机器学习 · 统计学 2025-03-12 Ziyu Chen , Markos A. Katsoulakis , Luc Rey-Bellet , Wei Zhu

This paper describes a new approach for training generative adversarial networks (GAN) to understand the detailed 3D shape of objects. While GANs have been used in this domain previously, they are notoriously hard to train, especially for…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Edward Smith , David Meger

Modeling financial time series is challenging due to their high volatility and unexpected happenings on the market. Most financial models and algorithms trying to fill the lack of historical financial time series struggle to perform and are…

机器学习 · 统计学 2021-07-14 Rikli Samuel , Bigler Daniel Nico , Pfenninger Moritz , Osterrieder Joerg

Regression is typically treated as a curve-fitting process where the goal is to fit a prediction function to data. With the help of conditional generative adversarial networks, we propose to solve this age-old problem in a different way; we…

机器学习 · 计算机科学 2024-04-23 Deddy Jobson , Eddy Hudson

Generating multivariate time series is a promising approach for sharing sensitive data in many medical, financial, and IoT applications. A common type of multivariate time series originates from a single source such as the biometric…

机器学习 · 计算机科学 2022-12-16 Ali Seyfi , Jean-Francois Rajotte , Raymond T. Ng

We propose Graphical Generative Adversarial Networks (Graphical-GAN) to model structured data. Graphical-GAN conjoins the power of Bayesian networks on compactly representing the dependency structures among random variables and that of…

机器学习 · 计算机科学 2018-12-18 Chongxuan Li , Max Welling , Jun Zhu , Bo Zhang

Synthetic data generation has proven to be a promising solution for addressing data availability issues in various domains. Even more challenging is the generation of synthetic time series data, where one has to preserve temporal dynamics,…

量子物理 · 物理学 2022-04-14 Haim Horowitz , Pooja Rao , Santosh Kumar Radha

It is well known that the generative adversarial nets (GANs) are remarkably difficult to train. The recently proposed Wasserstein GAN (WGAN) creates principled research directions towards addressing these issues. But we found in practice…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Lijun Zhang , Yujin Zhang , Yongbin Gao

We introduce the Probabilistic Generative Adversarial Network (PGAN), a new GAN variant based on a new kind of objective function. The central idea is to integrate a probabilistic model (a Gaussian Mixture Model, in our case) into the GAN…

机器学习 · 计算机科学 2017-08-08 Hamid Eghbal-zadeh , Gerhard Widmer

The characterization of subsurface models relies on the accuracy of subsurface models which request integrating a large number of information across different sources through model conditioning, such as data conditioning and geological…

应用统计 · 统计学 2024-04-09 Lei Liu , Eduardo Maldonado-Cruz , Honggeun Jo , Maša Prodanović , Michael J. Pyrcz

Sampling-based path planning is a popular methodology for robot path planning. With a uniform sampling strategy to explore the state space, a feasible path can be found without the complex geometric modeling of the configuration space.…

机器人学 · 计算机科学 2020-12-08 Tianyi Zhang , Jiankun Wang , Max Q. -H. Meng

Wasserstein gradient flows (WGFs) describe the evolution of probability distributions in Wasserstein space as steepest descent dynamics for a free energy functional. Computing the full path from an arbitrary initial distribution to…

机器学习 · 计算机科学 2026-04-14 Chengyu Liu , Xiang Zhou

Generative adversarial network (GAN) has greatly improved the quality of unsupervised image generation. Previous GAN-based methods often require a large amount of high-quality training data while producing a small number (e.g., tens) of…

计算机视觉与模式识别 · 计算机科学 2019-09-26 Chunpeng Wu , Wei Wen , Yiran Chen , Hai Li