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Lightness, sparsity, and hop-diameter are the fundamental parameters of geometric spanners. Arya et al. [STOC'95] showed in their seminal work that there exists a construction of Euclidean $(1+\varepsilon)$-spanners with hop-diameter…

数据结构与算法 · 计算机科学 2025-05-08 Sujoy Bhore , Lazar Milenkovic

We propose a deep learning-based LiDAR odometry estimation method called LoRCoN-LO that utilizes the long-term recurrent convolutional network (LRCN) structure. The LRCN layer is a structure that can process spatial and temporal information…

机器人学 · 计算机科学 2023-03-22 Donghwi Jung , Jae-Kyung Cho , Younghwa Jung , Soohyun Shin , Seong-Woo Kim

Partial Least Squares (PLS) regression emerged as an alternative to ordinary least squares for addressing multicollinearity in a wide range of scientific applications. As multidimensional tensor data is becoming more widespread, tensor…

统计方法学 · 统计学 2024-10-11 Kwangmoon Park , Sündüz Keleş

The hybrid-high order (HHO) scheme has many successful applications including linear elasticity as the first step towards computational solid mechanics. The striking advantage is the simplicity among other higher-order nonconforming schemes…

数值分析 · 数学 2026-04-10 Carsten Carstensen , Ngoc Tien Tran

This paper introduces a chordal decomposition approach for scalable analysis of linear networked systems, including stability, $\mathcal{H}_2$ and $\mathcal{H}_{\infty}$ performance. Our main strategy is to exploit any sparsity within these…

最优化与控制 · 数学 2018-03-19 Yang Zheng , Maryam Kamgarpour , Aivar Sootla , Antonis Papachristodoulou

Complex network topologies and hyperbolic geometry seem specularly connected, and one of the most fascinating and challenging problems of recent complex network theory is to map a given network to its hyperbolic space. The Popularity…

无序系统与神经网络 · 物理学 2017-12-08 Josephine Maria Thomas , Alessandro Muscoloni , Sara Ciucci , Ginestra Bianconi , Carlo Vittorio Cannistraci

Designing complex engineered systems requires managing tightly coupled trade-offs between subsystem capabilities and resource requirements. Monotone co-design provides a compositional language for such problems, but its generality does not…

最优化与控制 · 数学 2026-04-01 Yubo Cai , Yujun Huang , Meshal Alharbi , Gioele Zardini

We present a Kalman smoothing framework based on modeling errors using the heavy tailed Student's t distribution, along with algorithms, convergence theory, open-source general implementation, and several important applications. The…

最优化与控制 · 数学 2013-03-25 Aleksandr Y. Aravkin , James V. Burke , Gianluigi Pillonetto

Latent space optimization (LSO) is a powerful method for designing discrete, high-dimensional biological sequences that maximize expensive black-box functions, such as wet lab experiments. This is accomplished by learning a latent space…

机器学习 · 计算机科学 2024-11-19 Thanh V. T. Tran , Nhat Khang Ngo , Viet Anh Nguyen , Truong Son Hy

LiDAR relocalization has attracted increasing attention as it can deliver accurate 6-DoF pose estimation in complex 3D environments. Recent learning-based regression methods offer efficient solutions by directly predicting global poses…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Jianshi Wu , Minghang Zhu , Dunqiang Liu , Wen Li , Sheng Ao , Siqi Shen , Chenglu Wen , Cheng Wang

We consider the problem of building Distance Sensitivity Oracles (DSOs). Given a directed graph $G=(V, E)$ with edge weights in $\{1, 2, \dots, M\}$, we need to preprocess it into a data structure, and answer the following queries: given…

数据结构与算法 · 计算机科学 2021-09-03 Hanlin Ren

We propose a linear time and constant space algorithm for computing Euclidean projections onto sets on which a normalized sparseness measure attains a constant value. These non-convex target sets can be characterized as intersections of a…

计算几何 · 计算机科学 2013-03-22 Markus Thom , Günther Palm

Many successful learning targets such as minimizing dice loss and cross-entropy loss have enabled unprecedented breakthroughs in segmentation tasks. Beyond these semantic metrics, this paper aims to introduce location supervision into…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Xiangyu He , Zitao Mo , Qiang Chen , Anda Cheng , Peisong Wang , Jian Cheng

By integrating two powerful methods of density reduction and intrinsic dimensionality estimation, a new data-driven method, referred to as OLPP-MLE (orthogonal locality preserving projection-maximum likelihood estimation), is introduced for…

统计方法学 · 统计学 2020-12-15 Jingxin Zhang , Maoyin Chen , Hao Chen , Xia Hong , Donghua Zhou

This paper concerns the use of objectness measures to improve the calibration performance of Convolutional Neural Networks (CNNs). CNNs have proven to be very good classifiers and generally localize objects well; however, the loss functions…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Ujwal Krothapalli , A. Lynn Abbott

We consider the problem of efficient randomized dimensionality reduction with norm-preservation guarantees. Specifically we prove data-dependent Johnson-Lindenstrauss-type geometry preservation guarantees for Ho's random subspace method:…

机器学习 · 统计学 2017-05-19 Nick Lim , Robert J. Durrant

Map-based LiDAR pose tracking is essential for long-term autonomous operation, where onboard map priors need be compact for scalable storage and fast retrieval, while online observations are often partial, repetitive, and heavily occluded.…

机器人学 · 计算机科学 2026-02-10 Wentao Zhao , Yihe Niu , Zikun Chen , Rui Li , Yanbo Wang , Tianchen Deng , Jingchuan Wang

This paper studies well-posedness and parameter sensitivity of the Square Root LASSO (SR-LASSO), an optimization model for recovering sparse solutions to linear inverse problems in finite dimension. An advantage of the SR-LASSO (e.g., over…

最优化与控制 · 数学 2024-04-01 Aaron Berk , Simone Brugiapaglia , Tim Hoheisel

We propose a minimum distance estimation method for robust regression in sparse high-dimensional settings. The traditional likelihood-based estimators lack resilience against outliers, a critical issue when dealing with high-dimensional…

统计方法学 · 统计学 2013-07-12 Aurélie C. Lozano , Nicolai Meinshausen

This study proposes sparse estimation methods for the generalized linear models, which run one of least angle regression (LARS) and least absolute shrinkage and selection operator (LASSO) in the tangent space of the manifold of the…

机器学习 · 统计学 2020-07-20 Yoshihiro Hirose