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Variational Autoencoders (VAE) and their variants have been widely used in a variety of applications, such as dialog generation, image generation and disentangled representation learning. However, the existing VAE models have some…

机器学习 · 计算机科学 2020-06-23 Huajie Shao , Shuochao Yao , Dachun Sun , Aston Zhang , Shengzhong Liu , Dongxin Liu , Jun Wang , Tarek Abdelzaher

We introduce the variational graph auto-encoder (VGAE), a framework for unsupervised learning on graph-structured data based on the variational auto-encoder (VAE). This model makes use of latent variables and is capable of learning…

机器学习 · 统计学 2016-11-23 Thomas N. Kipf , Max Welling

Autoencoders have found widespread application in both their original deterministic form and in their variational formulation (VAEs). In scientific applications and in image processing it is often of interest to consider data that are…

机器学习 · 统计学 2025-09-09 Justin Bunker , Mark Girolami , Hefin Lambley , Andrew M. Stuart , T. J. Sullivan

Expressions and facial action units (AUs) are two levels of facial behavior descriptors. Expression auxiliary information has been widely used to improve the AU detection performance. However, most existing expression representations can…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Rudong An , Wei Zhang , Hao Zeng , Wei Chen , Zhigang Deng , Yu Ding

Although deep learning are commonly employed for image recognition, usually huge amount of labeled training data is required, which may not always be readily available. This leads to a noticeable performance disparity when compared to…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Enoch Solomon , Abraham Woubie , Eyael Solomon Emiru

Masked AutoEncoders (MAE) have emerged as a robust self-supervised framework, offering remarkable performance across a wide range of downstream tasks. To increase the difficulty of the pretext task and learn richer visual representations,…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Carlos Hinojosa , Shuming Liu , Bernard Ghanem

Variational autoencoders (VAEs) are a popular generative model used to approximate distributions. The encoder part of the VAE is used in amortized learning of latent variables, producing a latent representation for data samples. Recently,…

机器学习 · 统计学 2023-05-12 Daniel G. Edelberg , Roy R. Lederman

By composing graphical models with deep learning architectures, we learn generative models with the strengths of both frameworks. The structured variational autoencoder (SVAE) inherits structure and interpretability from graphical models,…

机器学习 · 计算机科学 2023-11-15 Harry Bendekgey , Gabriel Hope , Erik B. Sudderth

The electrocardiogram (ECG) is an inexpensive and widely available tool for cardiac 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 2025-08-04 Christopher Harvey , Sumaiya Shomaji , Zijun Yao , Amit Noheria

Variational autoencoder (VAE) is one of the most common techniques in the field of medical image generation, where this architecture has shown advanced researchers in recent years and has developed into various architectures. VAE has…

机器学习 · 计算机科学 2024-11-13 Khadija Rais , Mohamed Amroune , Abdelmadjid Benmachiche , Mohamed Yassine Haouam

Variational autoencoders (VAEs), that are built upon deep neural networks have emerged as popular generative models in computer vision. Most of the work towards improving variational autoencoders has focused mainly on making the…

机器学习 · 统计学 2016-11-17 Siddharth Agrawal , Ambedkar Dukkipati

With the advent of affordable depth sensors, 3D capture becomes more and more ubiquitous and already has made its way into commercial products. Yet, capturing the geometry or complete shapes of everyday objects using scanning devices (e.g.…

计算机视觉与模式识别 · 计算机科学 2016-09-13 Abhishek Sharma , Oliver Grau , Mario Fritz

Variational autoencoders (VAEs) have been used extensively to discover low-dimensional latent factors governing neural activity and animal behavior. However, without careful model selection, the uncovered latent factors may reflect noise in…

机器学习 · 计算机科学 2023-12-13 Julia Huiming Wang , Dexter Tsin , Tatiana Engel

Masked Autoencoder (MAE) is a notable method for self-supervised pretraining in visual representation learning. It operates by randomly masking image patches and reconstructing these masked patches using the unmasked ones. A key limitation…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Han Guo , Ramtin Hosseini , Ruiyi Zhang , Sai Ashish Somayajula , Ranak Roy Chowdhury , Rajesh K. Gupta , Pengtao Xie

The variational autoencoder (VAE) is a simple and efficient generative artificial intelligence method for modeling complex probability distributions of various types of data, such as images and texts. However, it suffers some main…

机器学习 · 计算机科学 2025-02-14 Xi Chen , Shaofan Li

In the field of machine learning, it is still a critical issue to identify and supervise the learned representation without manually intervening or intuition assistance to extract useful knowledge or serve for the downstream tasks. In this…

机器学习 · 计算机科学 2025-12-10 Shiqi Liu , Jingxin Liu , Qian Zhao , Xiangyong Cao , Huibin Li , Deyu Meng , Hongying Meng , Sheng Liu

Variational Auto-Encoders have often been used for unsupervised pretraining, feature extraction and out-of-distribution and anomaly detection in the medical field. However, VAEs often lack the ability to produce sharp images and learn…

机器学习 · 计算机科学 2019-11-28 David Zimmerer , Jens Petersen , Klaus Maier-Hein

We present a framework for the unsupervised learning of neurosymbolic encoders, which are encoders obtained by composing neural networks with symbolic programs from a domain-specific language. Our framework naturally incorporates symbolic…

机器学习 · 计算机科学 2022-12-22 Eric Zhan , Jennifer J. Sun , Ann Kennedy , Yisong Yue , Swarat Chaudhuri

Using a discriminative representation obtained by supervised deep learning methods showed promising results on diverse Content-Based Image Retrieval (CBIR) problems. However, existing methods exploiting labels during training try to…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Mehdi Rafiei , Alexandros Iosifidis

A new method for learning variational autoencoders (VAEs) is developed, based on Stein variational gradient descent. A key advantage of this approach is that one need not make parametric assumptions about the form of the encoder…

机器学习 · 计算机科学 2017-11-20 Yunchen Pu , Zhe Gan , Ricardo Henao , Chunyuan Li , Shaobo Han , Lawrence Carin