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We present a new method for improving the performances of variational autoencoder (VAE). In addition to enforcing the deep feature consistent principle thus ensuring the VAE output and its corresponding input images to have similar deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Xianxu Hou , Ke Sun , Linlin Shen , Guoping Qiu

Masked autoencoders (MAEs) are increasingly applied to electronic health records (EHR) for learning general-purpose representations that support diverse clinical tasks. However, existing approaches typically rely on uniform random masking,…

Machine Learning · Computer Science 2025-12-08 Rajna Fani , Rafi Al Attrach , David Restrepo , Yugang Jia , Leo Anthony Celi , Peter Schüffler

In this paper, we introduced a novel feature extraction approach, named exclusive autoencoder (XAE), which is a supervised version of autoencoder (AE), able to largely improve the performance of nucleus detection and classification on…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Chao-Hui Huang , Daniel Racoceanu

Autoencoder and its variants have been widely applicated in anomaly detection.The previous work memory-augmented deep autoencoder proposed memorizing normality to detect anomaly, however it neglects the feature discrepancy between different…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Yifei Yang , Shibing Xiang , Ruixiang Zhang

There has been a growing interest in using deep learning models for processing long surgical videos, in order to automatically detect clinical/operational activities and extract metrics that can enable workflow efficiency tools and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Muhammad Abdullah Jamal , Omid Mohareri

Anomaly detection (AD) plays a pivotal role in AI applications, e.g., in classification, and intrusion/threat detection in cybersecurity. However, most existing methods face challenges of heterogeneity amongst feature subsets posed by…

Artificial Intelligence · Computer Science 2025-01-15 Phai Vu Dinh , Diep N. Nguyen , Dinh Thai Hoang , Quang Uy Nguyen , Eryk Dutkiewicz

In large studies involving multi protocol Magnetic Resonance Imaging (MRI), it can occur to miss one or more sub-modalities for a given patient owing to poor quality (e.g. imaging artifacts), failed acquisitions, or hallway interrupted…

Image and Video Processing · Electrical Eng. & Systems 2021-07-09 Mohammad Hamghalam , Alejandro F. Frangi , Baiying Lei , Amber L. Simpson

Any autoencoder network can be turned into a generative model by imposing an arbitrary prior distribution on its hidden code vector. Variational Autoencoder (VAE) [2] uses a KL divergence penalty to impose the prior, whereas Adversarial…

Machine Learning · Computer Science 2018-07-23 Mahdi Azarafrooz

Variational Autoencoders (VAEs) provide a flexible and scalable framework for non-linear dimensionality reduction. However, in application domains such as genomics where data sets are typically tabular and high-dimensional, a black-box…

Machine Learning · Statistics 2020-03-10 Kaspar Märtens , Christopher Yau

Expert interpretation of anatomical images of the human brain is the central part of neuro-radiology. Several machine learning-based techniques have been proposed to assist in the analysis process. However, the ML models typically need to…

Variational autoencoders (VAEs) are latent variable models that can generate complex objects and provide meaningful latent representations. Moreover, they could be further used in downstream tasks such as classification. As previous work…

Machine Learning · Computer Science 2022-10-13 Anna Kuzina , Max Welling , Jakub M. Tomczak

Classical autoencoders are widely used to learn features of input data. To improve the feature learning, classical masked autoencoders extend classical autoencoders to learn the features of the original input sample in the presence of…

Quantum Physics · Physics 2026-05-01 Emma Andrews , Prabhat Mishra

Variational Autoencoders (VAEs), as a form of deep generative model, have been widely used in recent years, and shown great great peformance in a number of different domains, including image generation and anomaly detection, etc.. This…

Machine Learning · Computer Science 2024-08-28 Liang Cheng , Peiyuan Guan , Amir Taherkordi , Lei Liu , Dapeng Lan

Zero-shot skeleton-based action recognition aims to develop models capable of identifying actions beyond the categories encountered during training. Previous approaches have primarily focused on aligning visual and semantic representations…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Wenhan Wu , Zhishuai Guo , Chen Chen , Hongfei Xue , Aidong Lu

We combine conditional variational autoencoders (VAE) with adversarial censoring in order to learn invariant representations that are disentangled from nuisance/sensitive variations. In this method, an adversarial network attempts to…

Machine Learning · Computer Science 2018-05-22 Ye Wang , Toshiaki Koike-Akino , Deniz Erdogmus

Energy-based models (EBMs) have recently been successful in representing complex distributions of small images. However, sampling from them requires expensive Markov chain Monte Carlo (MCMC) iterations that mix slowly in high dimensional…

Machine Learning · Computer Science 2021-11-08 Zhisheng Xiao , Karsten Kreis , Jan Kautz , Arash Vahdat

Model-agnostic anomaly detection is one of the promising approaches in the search for new beyond the standard model physics. In this paper, we present Set-VAE, a particle-based variational autoencoder (VAE) anomaly detection algorithm. We…

High Energy Physics - Experiment · Physics 2023-11-30 Ryan Liu , Abhijith Gandrakota , Jennifer Ngadiuba , Maria Spiropulu , Jean-Roch Vlimant

Variational Autoencoders (VAEs) provide a theoretically-backed and popular framework for deep generative models. However, learning a VAE from data poses still unanswered theoretical questions and considerable practical challenges. In this…

Machine Learning · Computer Science 2020-06-01 Partha Ghosh , Mehdi S. M. Sajjadi , Antonio Vergari , Michael Black , Bernhard Schölkopf

This paper addresses the problem of diversity-aware sign language production, where we want to give an image (or sequence) of a signer and produce another image with the same pose but different attributes (\textit{e.g.} gender, skin color).…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Mohamed Ilyes Lakhal , Richard Bowden

The task of face attribute manipulation has found increasing applications, but still remains challenging with the requirement of editing the attributes of a face image while preserving its unique details. In this paper, we choose to combine…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Ruoqi Sun , Chen Huang , Jianping Shi , Lizhuang Ma