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Learning interpretable and disentangled representations of data is a key topic in machine learning research. Variational Autoencoder (VAE) is a scalable method for learning directed latent variable models of complex data. It employs a clear…

机器学习 · 计算机科学 2020-06-04 Andriy Serdega , Dae-Shik Kim

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

Recently, a generative variational autoencoder (VAE) has been proposed for speech enhancement to model speech statistics. However, this approach only uses clean speech in the training phase, making the estimation particularly sensitive to…

音频与语音处理 · 电气工程与系统科学 2021-05-18 Huajian Fang , Guillaume Carbajal , Stefan Wermter , Timo Gerkmann

Deep generative models are stochastic neural networks capable of learning the distribution of data so as to generate new samples. Conditional Variational Autoencoder (CVAE) is a powerful deep generative model aiming at maximizing the lower…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Shima Kamyab , Rasool Sabzi , Zohreh Azimifar

Temporal modeling in complex systems requires capturing dependencies across multiple time scales while managing inherent uncertainties. We propose HierCVAE, a novel architecture that integrates hierarchical attention mechanisms with…

机器学习 · 计算机科学 2025-08-27 Yao Wu

Automatically describing video content with text description is challenging but important task, which has been attracting a lot of attention in computer vision community. Previous works mainly strive for the accuracy of the generated…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Huanhou Xiao , Jinglun Shi

The generation of virtual populations (VPs) of anatomy is essential for conducting in silico trials of medical devices. Typically, the generated VP should capture sufficient variability while remaining plausible and should reflect the…

图像与视频处理 · 电气工程与系统科学 2023-07-31 Haoran Dou , Nishant Ravikumar , Alejandro F. Frangi

Unsupervised learning can leverage large-scale data sources without the need for annotations. In this context, deep learning-based autoencoders have shown great potential in detecting anomalies in medical images. However, especially…

图像与视频处理 · 电气工程与系统科学 2020-01-03 David Zimmerer , Simon Kohl , Jens Petersen , Fabian Isensee , Klaus Maier-Hein

In this paper, we present a deep generative model based method to generate diverse human motion interpolation results. We resort to the Conditional Variational Auto-Encoder (CVAE) to learn human motion conditioned on a pair of given start…

计算机视觉与模式识别 · 计算机科学 2021-11-15 Chunzhi Gu , Shuofeng Zhao , Chao Zhang

Despite advances in deep probabilistic models, learning discrete latent representations remains challenging. This work introduces a novel method to improve inference in discrete Variational Autoencoders by reframing the inference problem…

机器学习 · 计算机科学 2025-06-11 María Martínez-García , Grace Villacrés , David Mitchell , Pablo M. Olmos

Recently, several deep learning methods are proposed for the gravitational wave data analysis. One is conditional variational auto encoder (CVAE), proposed by Gabbard et al. [1]. We study the accuracy of a CVAE in the context of the…

广义相对论与量子宇宙学 · 物理学 2020-02-28 Takahiro S. Yamamoto , Takahiro Tanaka

In this paper, we present a multimodal and dynamical VAE (MDVAE) applied to unsupervised audio-visual speech representation learning. The latent space is structured to dissociate the latent dynamical factors that are shared between the…

声音 · 计算机科学 2024-02-21 Samir Sadok , Simon Leglaive , Laurent Girin , Xavier Alameda-Pineda , Renaud Séguier

Learning precise representations of users and items to fit observed interaction data is the fundamental task of collaborative filtering. Existing studies usually infer entangled representations to fit such interaction data, neglecting to…

信息检索 · 计算机科学 2024-01-11 Zhiqiang Guo , Guohui Li , Jianjun Li , Chaoyang Wang , Si Shi

Deep generative models applied to audio have improved by a large margin the state-of-the-art in many speech and music related tasks. However, as raw waveform modelling remains an inherently difficult task, audio generative models are either…

机器学习 · 计算机科学 2021-12-16 Antoine Caillon , Philippe Esling

Semi-supervised learning is attracting increasing attention due to the fact that datasets of many domains lack enough labeled data. Variational Auto-Encoder (VAE), in particular, has demonstrated the benefits of semi-supervised learning.…

机器学习 · 计算机科学 2018-12-04 Yang Li , Quan Pan , Suhang Wang , Haiyun Peng , Tao Yang , Erik Cambria

Variational auto-encoders are powerful probabilistic models in generative tasks but suffer from generating low-quality samples which are caused by the holes in the prior. We propose the Coupled Variational Auto-Encoder (C-VAE), which…

机器学习 · 统计学 2023-06-06 Xiaoran Hao , Patrick Shafto

We propose the factorized action variational autoencoder (FAVAE), a state-of-the-art generative model for learning disentangled and interpretable representations from sequential data via the information bottleneck without supervision. The…

机器学习 · 统计学 2019-05-31 Masanori Yamada , Heecheol Kim , Kosuke Miyoshi , Hiroshi Yamakawa

There have been many recent advances in representation learning; however, unsupervised representation learning can still struggle with model identification issues related to rotations of the latent space. Variational Auto-Encoders (VAEs)…

机器学习 · 计算机科学 2021-10-29 Travers Rhodes , Daniel D. Lee

Recent advances in large language models have demonstrated impressive capabilities in task-oriented applications, yet building emotionally intelligent chatbots that can engage in natural, strategic conversations remains a challenge. We…

计算与语言 · 计算机科学 2025-07-02 Yizhe Zhang , Navdeep Jaitly

Data augmentation is a powerful technique for improving the performance of the few-shot classification task. It generates more samples as supplements, and then this task can be transformed into a common supervised learning issue for…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Yi Zhang , Sheng Huang , Xi Peng , Dan Yang