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In this paper we present a language for finite state continuous time Bayesian networks (CTBNs), which describe structured stochastic processes that evolve over continuous time. The state of the system is decomposed into a set of local…

人工智能 · 计算机科学 2013-01-07 Uri Nodelman , Christian R. Shelton , Daphne Koller

We present a data-efficient, multiscale framework for predicting the density profiles of confined fluids at the nanoscale. While accurate density estimates require prohibitively long timescales that are inaccessible by ab initio molecular…

计算物理 · 物理学 2025-09-11 Bugra Yalcin , Ishan Nadkarni , Jinu Jeong , Chenxing Liang , Narayana R. Aluru

Well-trained generative neural networks (GNN) are very efficient at compressing visual information for static images in their learned parameters but not as efficient as inter- and intra-prediction for most video content. However, for…

图像与视频处理 · 电气工程与系统科学 2020-10-07 Jonah Probell

Structured output representation is a generative task explored in computer vision that often times requires the mapping of low dimensional features to high dimensional structured outputs. Losses in complex spatial information in…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Mohamed Debbagh

In modern applications such as ECG monitoring, neuroimaging, wearable sensing, and industrial equipment diagnostics, complex and continuously structured data are ubiquitous, presenting both challenges and opportunities for functional data…

机器学习 · 计算机科学 2026-03-03 Xiaoxian Zhu , Yingmeng Li , Shuangge Ma , Mengyun Wu

Graph convolutional neural networks (GCNN) have been successfully applied to many different graph based learning tasks including node and graph classification, matrix completion, and learning of node embeddings. Despite their impressive…

机器学习 · 计算机科学 2019-10-29 Soumyasundar Pal , Florence Regol , Mark Coates

The rapid development of deep learning (DL) has driven single image super-resolution (SR) into a new era. However, in most existing DL based image SR networks, the information flows are solely feedforward, and the high-level features cannot…

计算机视觉与模式识别 · 计算机科学 2019-07-11 Qilei Li , Zhen Li , Lu Lu , Gwanggil Jeon , Kai Liu , Xiaomin Yang

Deep generative models are proficient in generating realistic data but struggle with producing rare samples in low density regions due to their scarcity of training datasets and the mode collapse problem. While recent methods aim to improve…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Subeen Lee , Jiyeon Han , Soyeon Kim , Jaesik Choi

In this paper, we introduce the transition-based feature generator (TFGen) technique, which reads general activity data with attributes and generates step-by-step generated data. The activity data may consist of network activity from…

机器学习 · 计算机科学 2023-08-22 Yinzheng Zhong , Alexei Lisitsa

Flow-based models have proven successful for time-series generation, particularly when defined in lower-dimensional latent spaces that enable efficient sampling. However, how to design latent representations with desirable equivariance…

机器学习 · 计算机科学 2026-02-02 Camilo Carvajal Reyes , Felipe Tobar

Federated learning has emerged as a paradigm to train models collaboratively on inherently distributed client data while safeguarding privacy. In this context, personalized federated learning tackles the challenge of data heterogeneity by…

机器学习 · 计算机科学 2026-03-13 Peng Hu , Jianwei Ma

Wall-bounded turbulent flows are chaotic and multiscale, rendering real-time prediction at high Reynolds numbers computationally prohibitive in applications such as wind farms. Classical data assimilation methods are based on repeated…

流体动力学 · 物理学 2026-05-25 Fabian Steinbrenner , Baris Turan , Hao Teng , Heng Xiao

Recently, Flow Matching models have pushed the boundaries of high-fidelity data generation across a wide range of domains. It typically employs a single large network to learn the entire generative trajectory from noise to data. Despite…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Dogyun Park , Taehoon Lee , Minseok Joo , Hyunwoo J. Kim

Continuous time Bayesian networks (CTBNs) describe structured stochastic processes with finitely many states that evolve over continuous time. A CTBN is a directed (possibly cyclic) dependency graph over a set of variables, each of which…

人工智能 · 计算机科学 2012-07-09 Uri Nodelman , Daphne Koller , Christian R. Shelton

Advances in deep generative modelling have not translated well to tabular data. We argue that this is caused by a mismatch in structure between popular generative models and discriminative models of tabular data. We thus devise a technique…

机器学习 · 计算机科学 2024-06-11 Junwei Ma , Apoorv Dankar , George Stein , Guangwei Yu , Anthony Caterini

While deep generative models (DGMs) have gained popularity, their susceptibility to biases and other inefficiencies that lead to undesirable outcomes remains an issue. With their growing complexity, there is a critical need for early…

机器学习 · 计算机科学 2024-12-18 Vidya Prasad , Anna Vilanova , Nicola Pezzotti

We present SkexGen, a novel autoregressive generative model for computer-aided design (CAD) construction sequences containing sketch-and-extrude modeling operations. Our model utilizes distinct Transformer architectures to encode…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Xiang Xu , Karl D. D. Willis , Joseph G. Lambourne , Chin-Yi Cheng , Pradeep Kumar Jayaraman , Yasutaka Furukawa

Recently, adaptive graph convolutional network based traffic prediction methods, learning a latent graph structure from traffic data via various attention-based mechanisms, have achieved impressive performance. However, they are still…

机器学习 · 计算机科学 2021-04-02 Jun Fu , Wei Zhou , Zhibo Chen

The discrete-time Distributed Bayesian Filtering (DBF) algorithm is presented for the problem of tracking a target dynamic model using a time-varying network of heterogeneous sensing agents. In the DBF algorithm, the sensing agents combine…

系统与控制 · 计算机科学 2018-07-10 Saptarshi Bandyopadhyay , Soon-Jo Chung

Deep convolutional neural networks (DCNNs) have dominated the recent developments in computer vision through making various record-breaking models. However, it is still a great challenge to achieve powerful DCNNs in resource-limited…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Jiaxin Gu , Junhe Zhao , Xiaolong Jiang , Baochang Zhang , Jianzhuang Liu , Guodong Guo , Rongrong Ji