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Feature selection identifies subsets of informative features and reduces dimensions in the original feature space, helping provide insights into data generation or a variety of domain problems. Existing methods mainly depend on feature…

机器学习 · 计算机科学 2021-06-07 Xinxing Wu , Qiang Cheng

Feature selection is an important challenge in machine learning. It plays a crucial role in the explainability of machine-driven decisions that are rapidly permeating throughout modern society. Unfortunately, the explosion in the size and…

数据结构与算法 · 计算机科学 2018-06-13 Amirali Aghazadeh , Ryan Spring , Daniel LeJeune , Gautam Dasarathy , Anshumali Shrivastava , Richard G. Baraniuk

This paper proposes a supervised dimension reduction methodology for tensor data which has two advantages over most image-based prognostic models. First, the model does not require tensor data to be complete which expands its application to…

机器学习 · 计算机科学 2023-06-06 Chengyu Zhou , Xiaolei Fang

Many machine learning applications such as in vision, biology and social networking deal with data in high dimensions. Feature selection is typically employed to select a subset of features which im- proves generalization accuracy as well…

机器学习 · 计算机科学 2016-06-15 Yamuna Prasad , Dinesh Khandelwal , K. K. Biswas

We propose a low-rank transformation-learning framework to robustify subspace clustering. Many high-dimensional data, such as face images and motion sequences, lie in a union of low-dimensional subspaces. The subspace clustering problem has…

计算机视觉与模式识别 · 计算机科学 2013-08-02 Qiang Qiu , Guillermo Sapiro

To improve the problem that the parameter identification for fuzzy neural network has many time complexities in calculating, an improved T-S fuzzy inference method and an parameter identification method for fuzzy neural network are…

神经与进化计算 · 计算机科学 2014-12-30 Chol Man Ho , Son Il Gwak , Song Ho Pak , Jong Won Ha

This article introduces a functional method for lower-dimensional smooth representations in terms of time-varying dissimilarities. The method incorporates dissimilarity representation in multidimensional scaling and smoothness approach of…

统计方法学 · 统计学 2025-05-02 Liting Li

We propose a method for the approximation of high- or even infinite-dimensional feature vectors, which play an important role in supervised learning. The goal is to reduce the size of the training data, resulting in lower storage…

机器学习 · 统计学 2021-04-06 Patrick Gelß , Stefan Klus , Ingmar Schuster , Christof Schütte

Low-rank learning has attracted much attention recently due to its efficacy in a rich variety of real-world tasks, e.g., subspace segmentation and image categorization. Most low-rank methods are incapable of capturing low-dimensional…

计算机视觉与模式识别 · 计算机科学 2016-11-16 Ping Li , Jun Yu , Meng Wang , Luming Zhang , Deng Cai , Xuelong Li

Feature selection methods have an important role on the readability of data and the reduction of complexity of learning algorithms. In recent years, a variety of efforts are investigated on feature selection problems based on unsupervised…

机器学习 · 计算机科学 2019-12-12 Mohsen Ghassemi Parsa , Hadi Zare , Mehdi Ghatee

The goal of supervised feature selection is to find a subset of input features that are responsible for predicting output values. The least absolute shrinkage and selection operator (Lasso) allows computationally efficient feature selection…

机器学习 · 统计学 2019-01-07 Makoto Yamada , Wittawat Jitkrittum , Leonid Sigal , Eric P. Xing , Masashi Sugiyama

Considering the high volume, wide variety, and rapid speed of data generation, investigating feature selection methods for big data presents various applications and advantages. By removing irrelevant and redundant features, feature…

机器学习 · 计算机科学 2026-03-12 Mohammad Hossein Safarpour , Seyed Majid Alavi , Mohammad Izadikhah , Hossein Dibachi

It is widely accepted that reasoning about object shape is important for object recognition. However, the most powerful object recognition methods today do not explicitly make use of object shape during learning. In this work, motivated by…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Stefan Stojanov , Anh Thai , James M. Rehg

Multi-view high-dimensional data become increasingly popular in the big data era. Feature selection is a useful technique for alleviating the curse of dimensionality in multi-view learning. In this paper, we study unsupervised feature…

机器学习 · 计算机科学 2017-05-03 Xiaokai Wei , Bokai Cao , Philip S. Yu

In this paper, we present a new adaptive feature scaling scheme for ultrahigh-dimensional feature selection on Big Data. To solve this problem effectively, we first reformulate it as a convex semi-infinite programming (SIP) problem and then…

机器学习 · 计算机科学 2019-12-17 Mingkui Tan , Ivor W. Tsang , Li Wang

Applications such as face recognition that deal with high-dimensional data need a mapping technique that introduces representation of low-dimensional features with enhanced discriminatory power and a proper classifier, able to classify…

计算机视觉与模式识别 · 计算机科学 2008-12-16 Seyyed Majid Valiollahzadeh , Abolghasem Sayadiyan , Mohammad Nazari

Only learning one projection matrix from original samples to the corresponding binary labels is too strict and will consequentlly lose some intrinsic geometric structures of data. In this paper, we propose a novel transition subspace…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Zhe Chen , Xiao-Jun Wu , Josef Kittler

Diffusion models have emerged as a leading technique for generating images due to their ability to create high-resolution and realistic images. Despite their strong performance, diffusion models still struggle in managing image collections…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Hailong Yang , Te Zhang , Kup-sze Choi , Zhaohong Deng

Rendering high-fidelity images from sparse point clouds is still challenging. Existing learning-based approaches suffer from either hole artifacts, missing details, or expensive computations. In this paper, we propose a novel framework to…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Jiaxu Wang , Ziyi Zhang , Junhao He , Renjing Xu

Embedding learning (EL) and feature synthesizing (FS) are two of the popular categories of fine-grained GZSL methods. EL or FS using global features cannot discriminate fine details in the absence of local features. On the other hand, EL or…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Tasfia Shermin , Shyh Wei Teng , Ferdous Sohel , Manzur Murshed , Guojun Lu