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Fine-grained image classification has emerged as a significant challenge because objects in such images have small inter-class visual differences but with large variations in pose, lighting, and viewpoints, etc. Most existing work focuses…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Xuelu Li , Vishal Monga

The effectiveness of learning in massive open online courses (MOOCs) can be significantly enhanced by introducing personalized intervention schemes which rely on building predictive models of student learning behaviors such as some…

Machine Learning · Computer Science 2018-12-20 Mucong Ding , Kai Yang , Dit-Yan Yeung , Ting-Chuen Pong

Variational Autoencoders and their many variants have displayed impressive ability to perform dimensionality reduction, often achieving state-of-the-art performance. Many current methods however, struggle to learn good representations in…

Machine Learning · Computer Science 2023-06-28 Navindu Leelarathna , Andrei Margeloiu , Mateja Jamnik , Nikola Simidjievski

Autonomous vehicles (AVs) generate a massive amount of multi-modal data that once collected and processed through Machine Learning algorithms, enable AI-based services at the Edge. In fact, not all these data contain valuable, and…

Machine Learning · Computer Science 2022-05-03 Pietro Cassarà , Alberto Gotta , Lorenzo Valerio

As a substantial amount of multivariate time series data is being produced by the complex systems in Smart Manufacturing, improved anomaly detection frameworks are needed to reduce the operational risks and the monitoring burden placed on…

Machine Learning · Computer Science 2022-01-25 Tareq Tayeh , Sulaiman Aburakhia , Ryan Myers , Abdallah Shami

In the context of the highly increasing number of features that are available nowadays we design a robust and fast method for feature selection. The method tries to select the most representative features that are independent from each…

Computer Vision and Pattern Recognition · Computer Science 2015-12-10 Alexandra Maria Radu

In this paper, a novel learning paradigm is presented to automatically identify groups of informative and correlated features from very high dimensions. Specifically, we explicitly incorporate correlation measures as constraints and then…

Machine Learning · Computer Science 2012-07-03 Yiteng Zhai , Mingkui Tan , Ivor Tsang , Yew Soon Ong

A common pipeline in functional data analysis is to first convert the discretely observed data to smooth functions, and then represent the functions by a finite-dimensional vector of coefficients summarizing the information. Existing…

Machine Learning · Computer Science 2024-01-19 Sidi Wu , Cédric Beaulac , Jiguo Cao

Modern datasets often contain large subsets of correlated features and nuisance features, which are not or loosely related to the main underlying structures of the data. Nuisance features can be identified using the Laplacian score…

Machine Learning · Statistics 2021-10-12 Uri Shaham , Ofir Lindenbaum , Jonathan Svirsky , Yuval Kluger

The randomized-feature approach has been successfully employed in large-scale kernel approximation and supervised learning. The distribution from which the random features are drawn impacts the number of features required to efficiently…

Machine Learning · Statistics 2017-12-20 Shahin Shahrampour , Ahmad Beirami , Vahid Tarokh

Machine-learning algorithms have shown outstanding image recognition or classification performance for computer vision applications. However, the compute and energy requirement for implementing such classifier models for large-scale…

Computer Vision and Pattern Recognition · Computer Science 2017-03-09 Priyadarshini Panda , Aayush Ankit , Parami Wijesinghe , Kaushik Roy

Many real-world machine learning applications are characterized by a huge number of features, leading to computational and memory issues, as well as the risk of overfitting. Ideally, only relevant and non-redundant features should be…

Machine Learning · Computer Science 2023-06-21 Paolo Bonetti , Alberto Maria Metelli , Marcello Restelli

We propose a few-shot learning method for unsupervised feature selection, which is a task to select a subset of relevant features in unlabeled data. Existing methods usually require many instances for feature selection. However, sufficient…

Machine Learning · Computer Science 2021-07-05 Atsutoshi Kumagai , Tomoharu Iwata , Yasuhiro Fujiwara

Sparse Bayesian learning is a state-of-the-art supervised learning algorithm that can choose a subset of relevant samples from the input data and make reliable probabilistic predictions. However, in the presence of high-dimensional data…

Machine Learning · Computer Science 2020-01-10 Bingbing Jiang , Chang Li , Maarten de Rijke , Xin Yao , Huanhuan Chen

Hyperspectral image analysis has become an important topic widely researched by the remote sensing community. Classification and segmentation of such imagery help understand the underlying materials within a scanned scene, since…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Jakub Nalepa , Michal Myller , Yasuteru Imai , Ken-ichi Honda , Tomomi Takeda , Marek Antoniak

Detection of high impedance faults (HIF) has been one of the biggest challenges in the power distribution network. The low current magnitude and diverse characteristics of HIFs make them difficult to be detected by over-current relays.…

Machine Learning · Computer Science 2024-02-06 Yingxiang Liu , Mohammad Razeghi-Jahromi , James Stoupis

Feature selection is important in data representation and intelligent diagnosis. Elastic net is one of the most widely used feature selectors. However, the features selected are dependant on the training data, and their weights dedicated…

Machine Learning · Computer Science 2021-01-01 Shaode Yu , Haobo Chen , Hang Yu , Zhicheng Zhang , Xiaokun Liang , Wenjian Qin , Yaoqin Xie , Ping Shi

Background and Aim: Over-fitting issue has been the reason behind deep learning technology not being successfully implemented in oral cancer images classification. The aims of this research were reducing overfitting for accurately producing…

Image and Video Processing · Electrical Eng. & Systems 2022-08-17 Prakrit Joshi , Omar Hisham Alsadoon , Abeer Alsadoon , Nada AlSallami , Tarik A. Rashid , P. W. C. Prasad , Sami Haddad

In reinforcement learning, the state of the real world is often represented by feature vectors. However, not all of the features may be pertinent for solving the current task. We propose Feature Selection Explore and Exploit (FS-EE), an…

Machine Learning · Computer Science 2017-03-13 Zhaohan Daniel Guo , Emma Brunskill

AI-generated face detectors trained via supervised learning typically rely on synthesized images from specific generators, limiting their generalization to emerging generative techniques. To overcome this limitation, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Mian Zou , Nan Zhong , Baosheng Yu , Yibing Zhan , Kede Ma