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相关论文: Unsupervised Feature Selection via Multi-step Mark…

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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…

机器学习 · 计算机科学 2021-07-05 Atsutoshi Kumagai , Tomoharu Iwata , Yasuhiro Fujiwara

The effectiveness of machine learning models is significantly affected by the size of the dataset and the quality of features as redundant and irrelevant features can radically degrade the performance. This paper proposes IGRF-RFE: a hybrid…

机器学习 · 计算机科学 2023-02-07 Yuhua Yin , Julian Jang-Jaccard , Wen Xu , Amardeep Singh , Jinting Zhu , Fariza Sabrina , Jin Kwak

Feature selection is one of the most challenging issues in machine learning, especially while working with high dimensional data. In this paper, we address the problem of feature selection and propose a new approach called Evolving Fast and…

神经与进化计算 · 计算机科学 2020-05-12 Uzay Cetin , Yunus Emre Gundogmus

Proteins are the most important biomolecules for living organisms. The understanding of protein structure, function, dynamics and transport is one of most challenging tasks in biological science. In the present work, persistent homology is,…

生物大分子 · 定量生物学 2014-12-10 Kelin Xia , Guo-Wei Wei

Nonnegative Matrix Factorization (NMF) is the problem of approximating a nonnegative matrix with the product of two low-rank nonnegative matrices and has been shown to be particularly useful in many applications, e.g., in text mining, image…

最优化与控制 · 数学 2012-08-13 Nicolas Gillis , François Glineur

Predicting protein secondary structure is essential for understanding protein function and advancing drug discovery. However, the intricate sequence-structure relationship poses significant challenges for accurate modeling. To address…

机器学习 · 计算机科学 2026-03-16 Yining Qian , Lijie Su , Meiling Xu , Xianpeng Wang

Most state-of-the-art action feature extractors involve differential operators, which act as highpass filters and tend to attenuate low frequency action information. This attenuation introduces bias to the resulting features and generates…

计算机视觉与模式识别 · 计算机科学 2015-07-14 Zhenzhong Lan , Ming Lin , Xuanchong Li , Alexander G. Hauptmann , Bhiksha Raj

The high feature dimensionality is a challenge in music emotion recognition. There is no common consensus on a relation between audio features and emotion. The MER system uses all available features to recognize emotion; however, this is…

声音 · 计算机科学 2022-12-29 Le Cai , Sam Ferguson , Haiyan Lu , Gengfa Fang

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

On visual analytics applications, the concept of putting the user on the loop refers to the ability to replace heuristics by user knowledge on machine learning and data mining tasks. On supervised tasks, the user engagement occurs via the…

计算机视觉与模式识别 · 计算机科学 2019-01-18 Gladys Hilasaca , Fernando Paulovich

Infrared-visible image fusion methods aim at generating fused images with good visual quality and also facilitate the performance of high-level tasks. Indeed, existing semantic-driven methods have considered semantic information injection…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Liying Wang , Xiaoli Zhang , Chuanmin Jia , Siwei Ma

A Semi-supervised Segmentation Fusion algorithm is proposed using consensus and distributed learning. The aim of Unsupervised Segmentation Fusion (USF) is to achieve a consensus among different segmentation outputs obtained from different…

计算机视觉与模式识别 · 计算机科学 2015-02-27 Mete Ozay

Unsupervised feature selection has drawn wide attention in the era of big data since it is a primary technique for dimensionality reduction. However, many existing unsupervised feature selection models and solution methods were presented…

最优化与控制 · 数学 2024-03-26 Yan Li , Defeng Sun , Liping Zhang

Two-sample feature selection is the problem of finding features that describe a difference between two probability distributions, which is a ubiquitous problem in both scientific and engineering studies. However, existing methods have…

The relationships between objects in a network are typically diverse and complex, leading to the heterogeneous edges with different semantic information. In this paper, we focus on exploring the heterogeneous edges for network…

社会与信息网络 · 计算机科学 2021-10-22 Hong Huang , Yu Song , Fanghua Ye , Xing Xie , Xuanhua Shi , Hai Jin

Federated Learning (FL) enables multiple resource-constrained edge devices with varying levels of heterogeneity to collaboratively train a global model. However, devices with limited capacity can create bottlenecks and slow down model…

机器学习 · 计算机科学 2025-04-08 Afsaneh Mahanipour , Hana Khamfroush

We show how to incorporate information from labeled examples into nonnegative matrix factorization (NMF), a popular unsupervised learning algorithm for dimensionality reduction. In addition to mapping the data into a space of lower…

机器学习 · 计算机科学 2011-12-19 Youngmin Cho , Lawrence K. Saul

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

We present three related ways of using Transfer Learning to improve feature selection. The three methods address different problems, and hence share different kinds of information between tasks or feature classes, but all three are based on…

机器学习 · 计算机科学 2009-05-26 Paramveer S. Dhillon , Dean Foster , Lyle Ungar

Non-negative matrix factorization (NMF) is one of the most popular decomposition techniques for multivariate data. NMF is a core method for many machine-learning related computational problems, such as data compression, feature extraction,…

数值分析 · 计算机科学 2017-12-07 Gabriele Torre , Michael Graber
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