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相关论文: Causal Recurrent Variational Autoencoder for Medic…

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Variational autoencoders (VAEs) and other generative methods have garnered growing interest not just for their generative properties but also for the ability to dis-entangle a low-dimensional latent variable space. However, few existing…

机器学习 · 计算机科学 2023-02-14 Sunay Bhat , Jeffrey Jiang , Omead Pooladzandi , Gregory Pottie

We present a new supervised learning technique for the Variational AutoEncoder (VAE) that allows it to learn a causally disentangled representation and generate causally disentangled outcomes simultaneously. We call this approach Causally…

机器学习 · 统计学 2023-10-10 Seunghwan An , Kyungwoo Song , Jong-June Jeon

Controllable data generation aims to synthesize data by specifying values for target concepts. Achieving this reliably requires modeling the underlying generative factors and their relationships. In real-world scenarios, these factors…

机器学习 · 计算机科学 2025-11-21 Qilong Zhao , Shiyu Wang , Zeeshan Memon , Yang Qiao , Guangji Bai , Bo Pan , Zhaohui Qin , Liang Zhao

We build a time-causal variational autoencoder (TC-VAE) for robust generation of financial time series data. Our approach imposes a causality constraint on the encoder and decoder networks, ensuring a causal transport from the real market…

机器学习 · 计算机科学 2024-11-06 Beatrice Acciaio , Stephan Eckstein , Songyan Hou

Learning disentanglement aims at finding a low dimensional representation which consists of multiple explanatory and generative factors of the observational data. The framework of variational autoencoder (VAE) is commonly used to…

机器学习 · 计算机科学 2023-12-20 Mengyue Yang , Furui Liu , Zhitang Chen , Xinwei Shen , Jianye Hao , Jun Wang

Granger causality has been widely used in various application domains to capture lead-lag relationships amongst the components of complex dynamical systems, and the focus in extant literature has been on a single dynamical system. In…

机器学习 · 计算机科学 2024-02-27 Jiahe Lin , Huitian Lei , George Michailidis

Although the Conditional Variational AutoEncoder (CVAE) model can generate more diversified responses than the traditional Seq2Seq model, the responses often have low relevance with the input words or are illogical with the question. A…

计算与语言 · 计算机科学 2022-10-12 Jiayi Liu , Wei Wei , Zhixuan Chu , Xing Gao , Ji Zhang , Tan Yan , Yulin Kang

Recent work in synthetic data generation in the time-series domain has focused on the use of Generative Adversarial Networks. We propose a novel architecture for synthetically generating time-series data with the use of Variational…

机器学习 · 计算机科学 2021-12-08 Abhyuday Desai , Cynthia Freeman , Zuhui Wang , Ian Beaver

Disentangled representation learning aims to learn low-dimensional representations where each dimension corresponds to an underlying generative factor. While the Variational Auto-Encoder (VAE) is widely used for this purpose, most existing…

机器学习 · 计算机科学 2024-12-31 Di Fan , Yannian Kou , Chuanhou Gao

In disentangled representation learning, the goal is to achieve a compact representation that consists of all interpretable generative factors in the observational data. Learning disentangled representations for graphs becomes increasingly…

机器学习 · 计算机科学 2023-11-20 Jingyun Feng , Lin Zhang , Lili Yang

Models of human motion commonly focus either on trajectory prediction or action classification but rarely both. The marked heterogeneity and intricate compositionality of human motion render each task vulnerable to the data degradation and…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Anthony Bourached , Robert Gray , Xiaodong Guan , Ryan-Rhys Griffiths , Ashwani Jha , Parashkev Nachev

We study the problem of automatically discovering Granger causal relations from observational multivariate time-series data.Vector autoregressive (VAR) models have been time-tested for this problem, including Bayesian variants and more…

机器学习 · 计算机科学 2024-05-27 He Zhao , Vassili Kitsios , Terence J. O'Kane , Edwin V. Bonilla

Cardiovascular diseases (CVDs) are disorders impacting the heart and circulatory system. These disorders are the foremost and continuously escalating cause of mortality worldwide. One of the main tasks when working with CVDs is analyzing…

信号处理 · 电气工程与系统科学 2026-04-29 Ivan Sviridov , Konstantin Egorov

Periodic graphs are graphs consisting of repetitive local structures, such as crystal nets and polygon mesh. Their generative modeling has great potential in real-world applications such as material design and graphics synthesis. Classical…

机器学习 · 计算机科学 2022-10-07 Shiyu Wang , Xiaojie Guo , Liang Zhao

The Variational Autoencoder (VAE) is known to suffer from the phenomenon of \textit{posterior collapse}, where the latent representations generated by the model become independent of the inputs. This leads to degenerated representations of…

机器学习 · 计算机科学 2023-09-12 Fotios Lygerakis , Elmar Rueckert

Gastrointestinal (GI) imaging via Wireless Capsule Endoscopy (WCE) generates a large number of images requiring manual screening. Deep learning-based Clinical Decision Support (CDS) systems can assist screening, yet their performance relies…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Dimitrios E. Diamantis , Dimitris K. Iakovidis

Despite recent successes in synthesizing faces and bedrooms, existing generative models struggle to capture more complex image types, potentially due to the oversimplification of their latent space constructions. To tackle this issue,…

机器学习 · 计算机科学 2018-03-13 Wenling Shang , Kihyuk Sohn , Yuandong Tian

Identifying molecules that exhibit some pre-specified properties is a difficult problem to solve. In the last few years, deep generative models have been used for molecule generation. Deep Graph Variational Autoencoders are among the most…

机器学习 · 计算机科学 2023-06-09 Davide Rigoni , Nicolò Navarin , Alessandro Sperduti

In this paper, we propose Multiresolution Equivariant Graph Variational Autoencoders (MGVAE), the first hierarchical generative model to learn and generate graphs in a multiresolution and equivariant manner. At each resolution level, MGVAE…

机器学习 · 计算机科学 2022-06-30 Truong Son Hy , Risi Kondor

Learning disentangled representations leads to interpretable models and facilitates data generation with style transfer, which has been extensively studied on static data such as images in an unsupervised learning framework. However, only a…

机器学习 · 计算机科学 2021-01-20 Jun Han , Martin Renqiang Min , Ligong Han , Li Erran Li , Xuan Zhang
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