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Embracing the deep learning techniques for representation learning in clustering research has attracted broad attention in recent years, yielding a newly developed clustering paradigm, viz. the deep clustering (DC). Typically, the DC models…

机器学习 · 计算机科学 2022-01-17 Shuai Chang

This paper presents an accurate phoneme alignment model that aims for speech analysis and video content creation. We propose a variational autoencoder (VAE)-based alignment model in which a probable path is searched using encoded acoustic…

音频与语音处理 · 电气工程与系统科学 2024-09-26 Tomoki Koriyama

The variational autoencoder (VAE) is a popular deep latent variable model used to analyse high-dimensional datasets by learning a low-dimensional latent representation of the data. It simultaneously learns a generative model and an…

机器学习 · 计算机科学 2023-11-21 Mine Öğretir , Siddharth Ramchandran , Dimitrios Papatheodorou , Harri Lähdesmäki

This paper demonstrates that a simple modification of the variational autoencoder (VAE) formalism enables the method to identify and classify rotated and distorted digits. In particular, the conventional objective (cost) function employed…

计算机视觉与模式识别 · 计算机科学 2022-06-29 David Yevick

Recent state-of-the-art autoencoder based generative models have an encoder-decoder structure and learn a latent representation with a pre-defined distribution that can be sampled from. Implementing the encoder networks of these models in a…

机器学习 · 计算机科学 2020-05-11 D. T. Braithwaite , M. O'Connor , W. B. Kleijn

Machine Learning (ML) has become the new contrivance in almost every field. This makes them a target of fraudsters by various adversary attacks, thereby hindering the performance of ML models. Evasion and Data-Poison-based attacks are well…

机器学习 · 计算机科学 2023-02-28 Pavan Venkata Sainadh Reddy , Yelleti Vivek , Gopi Pranay , Vadlamani Ravi

We investigate the ability of Diffusion Variational Autoencoder ($\Delta$VAE) with unit sphere $\mathcal{S}^2$ as latent space to capture topological and geometrical structure and disentangle latent factors in datasets. For this, we…

机器学习 · 计算机科学 2024-09-04 Mahefa Ratsisetraina Ravelonanosy , Vlado Menkovski , Jacobus W. Portegies

This paper proposes Dirichlet Variational Autoencoder (DirVAE) using a Dirichlet prior for a continuous latent variable that exhibits the characteristic of the categorical probabilities. To infer the parameters of DirVAE, we utilize the…

机器学习 · 计算机科学 2019-01-10 Weonyoung Joo , Wonsung Lee , Sungrae Park , Il-Chul Moon

Recent audio generation models typically rely on Variational Autoencoders (VAEs) and perform generation within the VAE latent space. Although VAEs excel at compression and reconstruction, their latents inherently encode low-level acoustic…

声音 · 计算机科学 2026-02-27 Zeyu Xie , Chenxing Li , Qiao Jin , Xuenan Xu , Guanrou Yang , Wenfu Wang , Mengyue Wu , Dong Yu , Yuexian Zou

Variational auto-encoders (VAE) are popular deep latent variable models which are trained by maximizing an Evidence Lower Bound (ELBO). To obtain tighter ELBO and hence better variational approximations, it has been proposed to use…

机器学习 · 统计学 2021-07-22 Achille Thin , Nikita Kotelevskii , Arnaud Doucet , Alain Durmus , Eric Moulines , Maxim Panov

In previous work, we proposed a variational autoencoder-based (VAE) Bayesian permutation training speech enhancement (SE) method (PVAE) which indicated that the SE performance of the traditional deep neural network-based (DNN) method could…

音频与语音处理 · 电气工程与系统科学 2022-05-12 Yang Xiang , Jesper Lisby Højvang , Morten Højfeldt Rasmussen , Mads Græsbøll Christensen

In recent years, applying Deep Learning (DL) techniques emerged as a common practice in the communication system, demonstrating promising results. The present paper proposes a new Convolutional Neural Network (CNN) based Variational…

信号处理 · 电气工程与系统科学 2020-05-20 Raghu Vamshi Hemadri , Akshay Rayaluru , Rahul Jashvantbhai Pandya

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

Variational Autoencoders (VAEs) are well-established as a principled approach to probabilistic unsupervised learning with neural networks. Typically, an encoder network defines the parameters of a Gaussian distributed latent space from…

机器学习 · 计算机科学 2025-05-16 Alan Jeffares , Liyuan Liu

Variational Autoencoders (VAE) are widely used for dimensionality reduction of large-scale tabular and image datasets, under the assumption of independence between data observations. In practice, however, datasets are often correlated, with…

机器学习 · 统计学 2024-12-25 Giora Simchoni , Saharon Rosset

Variational Autoencoder (VAE) aims to compress pixel data into low-dimensional latent space, playing an important role in OpenAI's Sora and other latent video diffusion generation models. While most of existing video VAEs inflate a…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Pingyu Wu , Kai Zhu , Yu Liu , Liming Zhao , Wei Zhai , Yang Cao , Zheng-Jun Zha

Fair representation learning aims to encode invariant representation with respect to the protected attribute, such as gender or age. In this paper, we design Fairness-aware Disentangling Variational AutoEncoder (FD-VAE) for fair…

机器学习 · 计算机科学 2020-07-09 Sungho Park , Dohyung Kim , Sunhee Hwang , Hyeran Byun

Variational autoencoders (VAE) represent a popular, flexible form of deep generative model that can be stochastically fit to samples from a given random process using an information-theoretic variational bound on the true underlying…

机器学习 · 计算机科学 2019-10-08 Bin Dai , Yu Wang , John Aston , Gang Hua , David Wipf

Variational autoencoder (VAE) estimates the posterior parameters (mean and variance) of latent variables corresponding to each input data. While it is used for many tasks, the transparency of the model is still an underlying issue. This…

机器学习 · 统计学 2023-02-23 Akira Nakagawa , Keizo Kato , Taiji Suzuki

The electrocardiogram (ECG) is an inexpensive and widely available tool for cardiovascular assessment. Despite its standardized format and small file size, the high complexity and inter-individual variability of ECG signals (typically a…

机器学习 · 计算机科学 2024-10-31 Christopher J. Harvey , Sumaiya Shomaji , Zijun Yao , Amit Noheria