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相关论文: Efficient Feature Selection of Power Quality Event…

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Feature selection is a critical step in the analysis of high-dimensional data, where the number of features often vastly exceeds the number of samples. Effective feature selection not only improves model performance and interpretability but…

机器学习 · 计算机科学 2025-01-27 Raquel Espinosa , Gracia Sánchez , José Palma , Fernando Jiménez

Feature selection is frequently used as a pre-processing step to machine learning. It is a process of choosing a subset of original features so that the feature space is optimally reduced according to a certain evaluation criterion. The…

计算机视觉与模式识别 · 计算机科学 2014-01-07 Vijendra Singh , Shivani Pathak

Recognition of objects with subtle differences has been used in many practical applications, such as car model recognition and maritime vessel identification. For discrimination of the objects in fine-grained detail, we focus on deep…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Kaan Karaman , Erhan Gundogdu , Aykut Koc , A. Aydin Alatan

Automatic sleep staging is a challenging problem and state-of-the-art algorithms have not yet reached satisfactory performance to be used instead of manual scoring by a sleep technician. Much research has been done to find good feature…

机器学习 · 计算机科学 2018-05-15 Martin Längkvist , Amy Loutfi

In this paper, we present and prove some consistency results about the performance of classification models using a subset of features. In addition, we propose to use beam search to perform feature selection, which can be viewed as a…

机器学习 · 计算机科学 2022-03-10 Nicolas Fraiman , Zichao Li

Feature selection is crucial for pinpointing relevant features in high-dimensional datasets, mitigating the 'curse of dimensionality,' and enhancing machine learning performance. Traditional feature selection methods for classification use…

机器学习 · 计算机科学 2025-04-08 Rittwika Kansabanik , Adrian Barbu

Task 4 of the DCASE2018 challenge demonstrated that substantially more research is needed for a real-world application of sound event detection. Analyzing the challenge results it can be seen that most successful models are biased towards…

声音 · 计算机科学 2020-04-13 Heinrich Dinkel , Kai Yu

In machine learning, fewer features reduce model complexity. Carefully assessing the influence of each input feature on the model quality is therefore a crucial preprocessing step. We propose a novel feature selection algorithm based on a…

量子物理 · 物理学 2023-02-22 Sascha Mücke , Raoul Heese , Sabine Müller , Moritz Wolter , Nico Piatkowski

Accurate online classification of disturbance events in a transmission network is an important part of wide-area monitoring. Although many conventional machine learning techniques are very successful in classifying events, they rely on…

信号处理 · 电气工程与系统科学 2020-12-16 Kaveri Mahapatra , Sen Lu , Abhronil Sengupta , Nilanjan Ray Chaudhuri

A key question for machine learning approaches in particle physics is how to best represent and learn from collider events. As an event is intrinsically a variable-length unordered set of particles, we build upon recent machine learning…

高能物理 - 唯象学 · 物理学 2020-04-17 Patrick T. Komiske , Eric M. Metodiev , Jesse Thaler

We propose a novel probabilistic dimensionality reduction framework that can naturally integrate the generative model and the locality information of data. Based on this framework, we present a new model, which is able to learn a smooth…

机器学习 · 统计学 2016-10-18 Li Wang

Power quality (PQ) analysis describes the non-pure electric signals that are usually present in electric power systems. The automatic recognition of PQ disturbances can be seen as a pattern recognition problem, in which different types of…

应用统计 · 统计学 2017-10-23 Andrés F. López-Lopera , Mauricio A. Álvarez , Ávaro A. Orozco

Power systems are prone to a variety of events (e.g. line trips and generation loss) and real-time identification of such events is crucial in terms of situational awareness, reliability, and security. Using measurements from multiple…

系统与控制 · 电气工程与系统科学 2023-01-18 Nima T. Bazargani , Gautam Dasarathy , Lalitha Sankar , Oliver Kosut

Deep learning has been successfully applied in several fields such as machine translation, manufacturing, and pattern recognition. However, successful application of deep learning depends upon appropriately setting its parameters to achieve…

神经与进化计算 · 计算机科学 2017-11-29 Basheer Qolomany , Majdi Maabreh , Ala Al-Fuqaha , Ajay Gupta , Driss Benhaddou

Recent acoustic event classification research has focused on training suitable filters to represent acoustic events. However, due to limited availability of target event databases and linearity of conventional filters, there is still room…

声音 · 计算机科学 2017-10-11 Seongkyu Mun , Minkyu Shin , Suwon Shon , Wooil Kim , David K. Han , Hanseok Ko

Feature selection is a common step in many ranking, classification, or prediction tasks and serves many purposes. By removing redundant or noisy features, the accuracy of ranking or classification can be improved and the computational cost…

The applications of traditional statistical feature selection methods to high-dimension, low sample-size data often struggle and encounter challenging problems, such as overfitting, curse of dimensionality, computational infeasibility, and…

机器学习 · 统计学 2023-12-19 Kexuan Li , Fangfang Wang , Lingli Yang , Ruiqi Liu

Major complications arise from the recent increase in the amount of high-dimensional data, including high computational costs and memory requirements. Feature selection, which identifies the most relevant and informative attributes of a…

The increasing complexity of software systems has led to a surge in cybersecurity vulnerabilities, necessitating efficient and scalable solutions for vulnerability assessment. However, the deployment of large pre-trained models in…

机器学习 · 计算机科学 2025-08-11 Chaoyang Gao , Xiang Chen , Jiyu Wang , Jibin Wang , Guang Yang

While conventional power system protection isolates faulty components only after a fault has occurred, fault prediction approaches try to detect faults before they can cause significant damage. Although initial studies have demonstrated…

系统与控制 · 电气工程与系统科学 2026-03-27 Georg Kordowich , Julian Oelhaf , Siming Bayer , Andreas Maier , Matthias Kereit , Johann Jaeger