中文
相关论文

相关论文: Sparsity-based Feature Selection for Anomalous Sub…

200 篇论文

Data-centric AI encourages the need of cleaning and understanding of data in order to achieve trustworthy AI. Existing technologies, such as AutoML, make it easier to design and train models automatically, but there is a lack of a similar…

机器学习 · 计算机科学 2022-03-10 Girmaw Abebe Tadesse , William Ogallo , Celia Cintas , Skyler Speakman

Anomaly detection is a crucial step for preventing malicious activities in the network and keeping resources available all the time for legitimate users. It is noticed from various studies that classical anomaly detectors work well with…

密码学与安全 · 计算机科学 2020-02-17 Awais Ahmed , Sufian Hameed , Muhammad Rafi , Qublai Khan Ali Mirza

As an effective data preprocessing step, feature selection has shown its effectiveness to prepare high-dimensional data for many machine learning tasks. The proliferation of high di-mension and huge volume big data, however, has brought…

机器学习 · 计算机科学 2019-03-01 Ning Gui , Danni Ge , Ziyin Hu

Unsupervised feature selection (UFS) is widely applied in machine learning and pattern recognition. However, most of the existing methods only consider a single sparsity, which makes it difficult to select valuable and discriminative…

最优化与控制 · 数学 2025-01-03 Xianchao Xiu , Anning Yang , Chenyi Huang , Xinrong Li , Wanquan Liu

Along with the flourish of the information age, massive amounts of data are generated day by day. Due to the large-scale and high-dimensional characteristics of these data, it is often difficult to achieve better decision-making in…

机器学习 · 计算机科学 2023-04-04 Peican Zhu , Xin Hou , Keke Tang , Zhen Wang , Feiping Nie

This paper proposes a unified sparsity-aware robust normalized subband adaptive filtering (SA-RNSAF) algorithm for identification of sparse systems under impulsive noise. The proposed SA-RNSAF algorithm generalizes different algorithms by…

机器学习 · 计算机科学 2022-05-17 Yi Yu , Zongxin Huang , Hongsen He , Yuriy Zakharov , Rodrigo C. de Lamare

The redundant features existing in high dimensional datasets always affect the performance of learning and mining algorithms. How to detect and remove them is an important research topic in machine learning and data mining research. In this…

机器学习 · 计算机科学 2017-07-04 Shuchu Han , Hao Huang , Hong Qin

Unsupervised feature selection (FS) is essential for high-dimensional learning tasks where labels are not available. It helps reduce noise, improve generalization, and enhance interpretability. However, most existing unsupervised FS methods…

机器学习 · 计算机科学 2025-11-13 Shira Lifshitz , Ofir Lindenbaum , Gal Mishne , Ron Meir , Hadas Benisty

Classic feature selection techniques remove those features that are either irrelevant or redundant, achieving a subset of relevant features that help to provide a better knowledge extraction. This allows the creation of compact models that…

机器学习 · 计算机科学 2020-12-16 Brais Cancela , Verónica Bolón-Canedo , Amparo Alonso-Betanzos , João Gama

Feature selection that selects an informative subset of variables from data not only enhances the model interpretability and performance but also alleviates the resource demands. Recently, there has been growing attention on feature…

Feature selection is an important process in machine learning. It builds an interpretable and robust model by selecting the features that contribute the most to the prediction target. However, most mature feature selection algorithms,…

机器学习 · 计算机科学 2022-07-20 Zhifeng Qiu , Wanxin Zeng , Dahua Liao , Ning Gui

This paper proposes a sparse regression method that continuously interpolates between Forward Stepwise selection (FS) and the LASSO. When tuned appropriately, our solutions are much sparser than typical LASSO fits but, unlike FS fits,…

统计方法学 · 统计学 2024-11-20 Ivy Zhang , Robert Tibshirani

This paper focuses on detection tasks in information extraction, where positive instances are sparsely distributed and models are usually evaluated using F-measure on positive classes. These characteristics often result in deficient…

计算与语言 · 计算机科学 2018-05-29 Hongyu Lin , Yaojie Lu , Xianpei Han , Le Sun

Defect detection is a critical research area in artificial intelligence. Recently, synthetic data-based self-supervised learning has shown great potential on this task. Although many sophisticated synthesizing strategies exist, little…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Yuxuan Cai , Dingkang Liang , Dongliang Luo , Xinwei He , Xin Yang , Xiang Bai

Feature selection is important step in machine learning since it has shown to improve prediction accuracy while depressing the curse of dimensionality of high dimensional data. The neural networks have experienced tremendous success in…

机器学习 · 计算机科学 2021-07-13 Peter Bugata , Peter Drotar

Anomaly detection is important for industrial automation and part quality assurance, and while humans can easily detect anomalies in components given a few examples, designing a generic automated system that can perform at human or above…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Anthony Garland , Kevin Potter , Matt Smith

With the high requirements of automation in the era of Industry 4.0, anomaly detection plays an increasingly important role in higher safety and reliability in the production and manufacturing industry. Recently, autoencoders have been…

机器学习 · 计算机科学 2021-03-09 Yiwen Liao , Alexander Bartler , Bin Yang

Missing data are a concern in many real world data sets and imputation methods are often needed to estimate the values of missing data, but data sets with excessive missingness and high dimensionality challenge most approaches to…

机器学习 · 统计学 2021-04-22 Andrew J. Becker , James P. Bagrow

Dynamic feature selection (DFS) addresses budget constraints in decision-making by sequentially acquiring features for each instance, making it appealing for resource-limited scenarios. However, existing DFS methods require models…

机器学习 · 计算机科学 2026-02-19 Javier Fumanal-Idocin , Raquel Fernandez-Peralta , Javier Andreu-Perez

Unsupervised anomaly detection is a challenging task in industrial applications since it is impracticable to collect sufficient anomalous samples. In this paper, a novel Self-Supervised Guided Segmentation Framework (SGSF) is proposed by…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Peng Xing , Yanpeng Sun , Zechao Li
‹ 上一页 1 2 3 10 下一页 ›