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The current practice of manually processing features for high-dimensional and heterogeneous aviation data is labor-intensive, does not scale well to new problems, and is prone to information loss, affecting the effectiveness and…

Machine Learning · Computer Science 2020-11-10 Liya Wang , Panta Lucic , Keith Campbell , Craig Wanke

While transformers have surpassed convolutional neural networks (CNNs) in various computer vision tasks, microelectronics defect detection still largely relies on CNNs. We hypothesize that this gap is due to the fact that a) transformers…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Nikolai Röhrich , Alwin Hoffmann , Richard Nordsieck , Emilio Zarbali , Alireza Javanmardi

This paper proposes an autoencoder (AE) that is used for improving the performance of once-class classifiers for the purpose of detecting anomalies. Traditional one-class classifiers (OCCs) perform poorly under certain conditions such as…

Machine Learning · Computer Science 2020-01-01 Kasra Babaei , ZhiYuan Chen , Tomas Maul

We present a novel method for constructing Variational Autoencoder (VAE). Instead of using pixel-by-pixel loss, we enforce deep feature consistency between the input and the output of a VAE, which ensures the VAE's output to preserve the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Xianxu Hou , Linlin Shen , Ke Sun , Guoping Qiu

Transformer-based detectors have advanced small-object detection, but they often remain inefficient and vulnerable to background-induced query noise, which motivates deep decoders to refine low-quality queries. We present HELP…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Yangchen Zeng , Zhenyu Yu , Dongming Jiang , Wenbo Zhang , Yifan Hong , Zhanhua Hu , Jiao Luo , Kangning Cui

The task of anomaly detection is to separate anomalous data from normal data in the dataset. Models such as deep convolutional autoencoder (CAE) network and deep supporting vector data description (SVDD) model have been universally employed…

Machine Learning · Computer Science 2024-11-19 Wei Huang , Bingyang Zhang , Kaituo Zhang , Hua Gao , Rongchun Wan

Early detection of faults in induction motors is crucial for ensuring uninterrupted operations in industrial settings. Among the various fault types encountered in induction motors, bearing, rotor, and stator faults are the most prevalent.…

Signal Processing · Electrical Eng. & Systems 2024-12-25 Usman Ali , Waqas Ali , Umer Ramzan

Adversarial learning is a widely used technique in fair representation learning to remove the biases on sensitive attributes from data representations. It usually requires to incorporate the sensitive attribute labels as prediction targets.…

Machine Learning · Computer Science 2022-04-04 Chuhan Wu , Fangzhao Wu , Tao Qi , Yongfeng Huang

High-speed vision sensing is essential for real-time perception in applications such as robotics, autonomous vehicles, and industrial automation. Traditional frame-based vision systems suffer from motion blur, high latency, and redundant…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Riadul Islam , Joey Mulé , Dhandeep Challagundla , Shahmir Rizvi , Sean Carson

We present a novel masked image modeling (MIM) approach, context autoencoder (CAE), for self-supervised representation pretraining. We pretrain an encoder by making predictions in the encoded representation space. The pretraining tasks…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Xiaokang Chen , Mingyu Ding , Xiaodi Wang , Ying Xin , Shentong Mo , Yunhao Wang , Shumin Han , Ping Luo , Gang Zeng , Jingdong Wang

Complex systems manifest a small number of instabilities and bifurcations that are canonical in nature, resulting in universal pattern forming characteristics as a function of some parametric dependence. Such parametric instabilities are…

Machine Learning · Computer Science 2021-06-10 Manu Kalia , Steven L. Brunton , Hil G. E. Meijer , Christoph Brune , J. Nathan Kutz

Masked Autoencoders (MAEs) achieve impressive performance in image classification tasks, yet the internal representations they learn remain less understood. This work started as an attempt to understand the strong downstream classification…

Machine Learning · Computer Science 2026-02-04 Anika Shrivastava , Renu Rameshan , Samar Agnihotri

We demonstrate a new deep learning autoencoder network, trained by a nonnegativity constraint algorithm (NCAE), that learns features which show part-based representation of data. The learning algorithm is based on constraining negative…

Machine Learning · Computer Science 2016-01-13 Ehsan Hosseini-Asl , Jacek M. Zurada , Olfa Nasraoui

Turbulence is characterised by chaotic dynamics and a high-dimensional state space, which make this phenomenon challenging to predict. However, turbulent flows are often characterised by coherent spatiotemporal structures, such as vortices…

Fluid Dynamics · Physics 2023-06-21 Nguyen Anh Khoa Doan , Alberto Racca , Luca Magri

When applying the foreground removal methods to uncover the faint cosmological signal from the epoch of reionization (EoR), the foreground spectra are assumed to be smooth. However, this assumption can be seriously violated in practice…

Instrumentation and Methods for Astrophysics · Physics 2019-03-15 Weitian Li , Haiguang Xu , Zhixian Ma , Ruimin Zhu , Dan Hu , Zhenghao Zhu , Junhua Gu , Chenxi Shan , Jie Zhu , Xiang-Ping Wu

Automatic modulation classification (AMC) is a basic technology in intelligent wireless communication systems. It is important for tasks such as spectrum monitoring, cognitive radio, and secure communications. In recent years, deep learning…

Signal Processing · Electrical Eng. & Systems 2025-08-04 Yunfei Liu , Mingxuan Liu , Wupeng Xie , Xinzhu Liu , Wenxue Liu , Yangang Sun , Xin Qiu , Cui Yuan , Jinhai Li

Clustering using deep autoencoders has been thoroughly investigated in recent years. Current approaches rely on simultaneously learning embedded features and clustering the data points in the latent space. Although numerous deep clustering…

Machine Learning · Computer Science 2019-09-27 Nairouz Mrabah , Mohamed Bouguessa , Riadh Ksantini

Information about the structure and composition of biopsy specimens can assist in disease monitoring and diagnosis. In principle, this can be acquired from Raman and infrared (IR) hyperspectral images (HSIs) that encode information about…

Medical Physics · Physics 2022-09-12 Ciaran Bench , Jayakrupakar Nallala , Chun-Chin Wang , Hannah Sheridan , Nicholas Stone

In this paper, an unsupervised deep learning framework based on dual-path model-driven variational auto-encoders (VAE) is proposed for angle-of-arrivals (AoAs) and channel estimation in massive MIMO systems. Specifically designed for…

Signal Processing · Electrical Eng. & Systems 2023-05-31 Zhiheng Guo , Yuanzhang Xiao , Xiang Chen

Unsupervised learning methods have become increasingly important in deep learning due to their demonstrated large utilization of datasets and higher accuracy in computer vision and natural language processing tasks. There is a growing trend…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Guoxin Wang , Qingyuan Wang , Ganesh Neelakanta Iyer , Avishek Nag , Deepu John