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Dimension reduction is useful for exploratory data analysis. In many applications, it is of interest to discover variation that is enriched in a "foreground" dataset relative to a "background" dataset. Recently, contrastive principal…

统计方法学 · 统计学 2021-05-04 Didong Li , Andrew Jones , Barbara Engelhardt

For randomized clinical trials where a single, primary, binary endpoint would require unfeasibly large sample sizes, composite endpoints are widely chosen as the primary endpoint. Despite being commonly used, composite endpoints entail…

统计方法学 · 统计学 2022-09-27 Marta Bofill Roig , Guadalupe Gómez Melis , Martin Posch , Franz Koenig

This work establishes the technical fundamentals of a well-tuned Customizable Contraction Hierarchies (CCH) implementation that is simple and elegant. We give a detailed overview of the state of the art of CCH, review recent advances on CCH…

数据结构与算法 · 计算机科学 2025-02-18 Thomas Bläsius , Valentin Buchhold , Dorothea Wagner , Tim Zeitz , Michael Zündorf

Dimensionality reduction algorithms like principal component analysis (PCA) are workhorses of machine learning and neuroscience, but each has well-known limitations. Variants of PCA are simple and interpretable, but not flexible enough to…

机器学习 · 计算机科学 2025-12-01 John J. Vastola , Samuel J. Gershman , Kanaka Rajan

While convolutional neural networks (CNNs) have become the de facto standard for most image processing and computer vision applications, their deployment on edge devices remains challenging. Tensor decomposition methods provide a means of…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Marawan Gamal Abdel Hameed , Ali Mosleh , Marzieh S. Tahaei , Vahid Partovi Nia

This work presents a design coupling analysis (DCA) framework to investigate the interactions among control and plant design variables in floating offshore wind turbine (FOWT) and to support the formulation of tractable control co-design…

计算工程、金融与科学 · 计算机科学 2026-04-28 Elena Fernandez Bravo , Sunil Tamang , Yong Hoon Lee , James T. Allison

Classical methods such as Principal Component Analysis (PCA) and Canonical Correlation Analysis (CCA) are ubiquitous in statistics. However, these techniques are only able to reveal linear relationships in data. Although nonlinear variants…

机器学习 · 统计学 2014-05-14 David Lopez-Paz , Suvrit Sra , Alex Smola , Zoubin Ghahramani , Bernhard Schölkopf

This work proposes a causal and recursive algorithm for solving the "robust" principal components' analysis (PCA) problem. We primarily focus on robustness to correlated outliers. In recent work, we proposed a new way to look at this…

信息论 · 计算机科学 2011-03-03 Chenlu Qiu , Namrata Vaswani

In this paper, we study possible extensions of the main ideas and methods of constrained DC optimization to the case of nonlinear semidefinite programming problems and more general nonlinear and nonsmooth cone constrained optimization…

最优化与控制 · 数学 2024-04-23 M. V. Dolgopolik

Ensuring constraint satisfaction in large-scale systems with hard constraints is vital in many safety critical systems. The challenge is to design controllers that are efficiently synthesized offline, easily implementable online, and…

系统与控制 · 电气工程与系统科学 2019-09-18 Kasra Ghasemi , Sadra Sadraddini , Calin Belta

Motivated by the needs from an airline crew scheduling application, we introduce structured convolutional kernel networks (Struct-CKN), which combine CKNs from Mairal et al. (2014) in a structured prediction framework that supports…

机器学习 · 计算机科学 2021-07-26 Yassine Yaakoubi , François Soumis , Simon Lacoste-Julien

In recent years, the growing demand to process large graphs and sparse datasets has led to increased research efforts to develop hardware- and software-based architectural solutions to accelerate them. While some of these approaches achieve…

硬件体系结构 · 计算机科学 2024-02-27 Marcelo Orenes-Vera , Esin Tureci , Margaret Martonosi , David Wentzlaff

Principal component analysis (PCA) has achieved great success in unsupervised learning by identifying covariance correlations among features. If the data collection fails to capture the covariance information, PCA will not be able to…

计算物理 · 物理学 2021-08-24 Ziming Liu , Sitian Qian , Yixuan Wang , Yuxuan Yan , Tianyi Yang

The contribution of this paper is threefold: first, it defines a framework for modelling component-based systems, as well as a formalization of integration rules to combine their behavior. This is based on finite state machines (FSM).…

软件工程 · 计算机科学 2014-06-12 Bilal Kanso , Omar Chebaro

Principal component analysis (PCA) is recognised as a quintessential data analysis technique when it comes to describing linear relationships between the features of a dataset. However, the well-known sensitivity of PCA to non-Gaussian…

机器学习 · 统计学 2019-10-28 Jean P. Chereau , Bruno Scalzo Dees , Danilo P. Mandic

The aim of the paper is to propose a new type of fits in terms of invariant quantities for finding the entries of the CKM matrix from the quark sector, by using the mathematical solution to the reconstruction problem of 3 x 3 unitary…

高能物理 - 唯象学 · 物理学 2007-06-26 Petre Dita

Principal Component Analysis (PCA) is a fundamental tool for data visualization, denoising, and dimensionality reduction. It is widely popular in Statistics, Machine Learning, Computer Vision, and related fields. However, PCA is well-known…

机器学习 · 统计学 2023-07-21 Debolina Paul , Saptarshi Chakraborty , Swagatam Das

Structural quantities such as order parameters and correlation functions are often employed to gain insight into the physical behavior and properties of condensed matter systems. While standard quantities for characterizing structure exist,…

软凝聚态物质 · 物理学 2017-08-23 Aaron S. Keys , Christopher R. Iacovella , Sharon C. Glotzer

With the emerging big data applications of Machine Learning, Speech Recognition, Artificial Intelligence, and DNA Sequencing in recent years, computer architecture research communities are facing the explosive scale of various data…

硬件体系结构 · 计算机科学 2017-12-14 Chao Wang , Wenqi Lou , Lei Gong , Lihui Jin , Luchao Tan , Yahui Hu , Xi Li , Xuehai Zhou

Strengthening of materials and preventing abrupt fracture are really challenging jobs in the field of engineering and material science. Such problems can be resolved by using composite materials. In this work, we have studied the fracture…

材料科学 · 物理学 2016-02-15 Subhadeep Roy , Sanchari Goswami