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相关论文: A Comparison Study on Nonlinear Dimension Reductio…

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Different unsupervised models for dimensionality reduction like PCA, LLE, Shannon's mapping, tSNE, UMAP, etc. work on different principles, hence, they are difficult to compare on the same ground. Although they are usually good for…

统计方法学 · 统计学 2024-05-10 Subhrajyoty Roy

The Engineers' Salary Prediction Challenge requires classifying salary categories into three classes based on tabular data. The job description is represented as a 300-dimensional word embedding incorporated into the tabular features,…

机器学习 · 计算机科学 2025-09-17 Liam Ressel , Hamza A. A. Gardi

Heterogeneous face matching is a challenge issue in face recognition due to large domain difference as well as insufficient pairwise images in different modalities during training. This paper proposes a coupled deep learning (CDL) approach…

计算机视觉与模式识别 · 计算机科学 2017-11-17 Xiang Wu , Lingxiao Song , Ran He , Tieniu Tan

In many applications, input data are sampled functions taking their values in infinite dimensional spaces rather than standard vectors. This fact has complex consequences on data analysis algorithms that motivate modifications of them. In…

统计理论 · 数学 2007-05-23 Fabrice Rossi , Nathalie Villa

The kernel function is introduced to solve the nonlinear pattern recognition problem. The advantage of a kernel method often depends critically on a proper choice of the kernel function. A promising approach is to learn the kernel from data…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Ning Yuan , Xiao-Jun Wu , He-Feng Yin

Dimensionality reduction is a classical technique widely used for data analysis. One foundational instantiation is Principal Component Analysis (PCA), which minimizes the average reconstruction error. In this paper, we introduce the…

离散数学 · 计算机科学 2020-06-17 Uthaipon Tantipongpipat , Samira Samadi , Mohit Singh , Jamie Morgenstern , Santosh Vempala

Aging or gender variation can affect the face recognition performance dramatically. While most of the face recognition studies are focused on the variation of pose, illumination and expression, it is important to consider the influence of…

计算机视觉与模式识别 · 计算机科学 2018-11-12 Caroline Werther , Morgan Ferguson , Kevin Park , Troy Kling , Cuixian Chen , Yishi Wang

Face detection and recognition has been prevalent with research scholars and diverse approaches have been incorporated till date to serve purpose. The rampant advent of biometric analysis systems, which may be full body scanners, or iris…

计算机视觉与模式识别 · 计算机科学 2017-01-31 Smriti Tikoo , Nitin Malik

Sparse principal component analysis (sparse PCA) is a widely used technique for dimensionality reduction in multivariate analysis, addressing two key limitations of standard PCA. First, sparse PCA can be implemented in high-dimensional low…

统计方法学 · 统计学 2025-10-07 Jan O. Bauer

Mining useful clusters from high dimensional data has received significant attention of the computer vision and pattern recognition community in the recent years. Linear and non-linear dimensionality reduction has played an important role…

计算机视觉与模式识别 · 计算机科学 2016-05-25 Nauman Shahid , Nathanael Perraudin , Vassilis Kalofolias , Gilles Puy , Pierre Vandergheynst

Principal component analysis (PCA) is a widely used dimension reduction tool in the analysis of many kind of high-dimensional data. It is used in signal processing, mechanical engineering, psychometrics, and other fields under different…

统计方法学 · 统计学 2014-01-15 Ngoc Mai Tran , Maria Osipenko , Wolfgang Karl Haerdle

Large volume of Genomics data is produced on daily basis due to the advancement in sequencing technology. This data is of no value if it is not properly analysed. Different kinds of analytics are required to extract useful information from…

其他定量生物学 · 定量生物学 2017-07-25 M. Usman Ali , Shahzad Ahmed , Javed Ferzund , Atif Mehmood , Abbas Rehman

Principal Component Analysis (PCA) is a widely used technique in machine learning, data analysis and signal processing. With the increase in the size and complexity of datasets, it has become important to develop low-space usage algorithms…

机器学习 · 计算机科学 2023-03-09 Yichuan Deng , Zhao Song , Zifan Wang , Han Zhang

Collaborative analysis of decentralized confidential datasets is important, but direct sharing of original datasets is often restricted by privacy and institutional constraints. Data collaboration (DC) analysis transforms each dataset into…

机器学习 · 计算机科学 2026-05-27 Yamato Suetake , Yuta Kawakami , Shunnosuke Ikeda , Yuichi Takano

In our "big data" age, the size and complexity of data is steadily increasing. Methods for dimension reduction are ever more popular and useful. Two distinct types of dimension reduction are "data-oblivious" methods such as random…

统计理论 · 数学 2021-03-30 Fan Yang , Sifan Liu , Edgar Dobriban , David P. Woodruff

In the past decades, exactly recovering the intrinsic data structure from corrupted observations, which is known as robust principal component analysis (RPCA), has attracted tremendous interests and found many applications in computer…

数值分析 · 计算机科学 2012-05-08 Risheng Liu , Zhouchen Lin , Siming Wei , Zhixun Su

The kernel matrix used in kernel methods encodes all the information required for solving complex nonlinear problems defined on data representations in the input space using simple, but implicitly defined, solutions. Spectral analysis on…

机器学习 · 计算机科学 2020-10-26 Alexandros Iosifidis

PCA is widely used in health and care research to analyze complex HD datasets, such as patient health records, genetic data, and medical imaging. By reducing dimensionality, PCA helps identify key patterns and trends, which can aid in…

统计方法学 · 统计学 2025-04-01 Nuwan Weeraratne , Lyn Hunt , Jason Kurz

Deep neural networks have been the predominant paradigm in machine learning for solving cognitive tasks. Such models, however, are restricted by a high computational overhead, limiting their applicability and hindering advancements in the…

机器学习 · 计算机科学 2024-11-05 Ian Pons , Bruno Yamamoto , Anna H. Reali Costa , Artur Jordao

The two-dimensional principal component analysis (2DPCA) has become one of the most powerful tools of artificial intelligent algorithms. In this paper, we review 2DPCA and its variations, and propose a general ridge regression model to…

计算机视觉与模式识别 · 计算机科学 2019-12-23 Meixiang Zhao , Zhigang Jia , Yunfeng Cai , Xiao Chen , Dunwei Gong