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Recent years have witnessed the emergence of 3D medical imaging techniques with the development of 3D sensors and technology. Due to the presence of noise in image acquisition, registration researchers focused on an alternative way to…

机器学习 · 计算机科学 2019-11-06 Liu Yang , Rudrasis Chakraborty

Determinantal consensus clustering is a promising and attractive alternative to partitioning about medoids and k-means for ensemble clustering. Based on a determinantal point process or DPP sampling, it ensures that subsets of similar…

统计计算 · 统计学 2021-02-09 Serge Vicente , Alejandro Murua

Minijets provide useful information on parton interactions in the low transverse-momentum (low-$p_T$) region. Because minijets produce clusters, we study the clustering properties of produced particles in high-energy $pp$ collisions as a…

高能物理 - 唯象学 · 物理学 2020-09-16 Cheuk-Yin Wong , Hanpu Jiang , Nanxi Yao , Liwen Wen , Gang Wang , Huan Zhong Huang

COVID-19 has caused an enormous burden on healthcare facilities around the world. Cohorting patients and healthcare professionals (HCPs) into "bubbles" has been proposed as an infection-control mechanism. In this paper, we present a novel…

We study the $k$-median with discounts problem, wherein we are given clients with non-negative discounts and seek to open at most $k$ facilities. The goal is to minimize the sum of distances from each client to its nearest open facility…

数据结构与算法 · 计算机科学 2021-11-19 Shichuan Deng

Motivated by recent observations that suggest a low density of old stars around the Milky Way supermassive black hole, models for the nuclear star cluster are considered that have not yet reached a steady state under the influence of…

星系天体物理 · 物理学 2014-11-20 David Merritt

Distribution comparison plays a central role in many machine learning tasks like data classification and generative modeling. In this study, we propose a novel metric, called Hilbert curve projection (HCP) distance, to measure the distance…

机器学习 · 计算机科学 2024-02-07 Tao Li , Cheng Meng , Hongteng Xu , Jun Yu

Locating the center of convex objects is important in both image processing and unsupervised machine learning/data clustering fields. The automated analysis of biological images uses both of these fields for locating cell nuclei and for…

计算机视觉与模式识别 · 计算机科学 2018-04-12 James Kapaldo , Xu Han , Domingo Mery

Many high dimensional vector distances tend to a constant. This is typically considered a negative "contrast-loss" phenomenon that hinders clustering and other machine learning techniques. We reinterpret "contrast-loss" as a blessing.…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Wen-Yan Lin , Siying Liu , Jian-Huang Lai , Yasuyuki Matsushita

We consider particle systems (also known as point processes) on the line and in the plane, and are particularly interested in "hole" events, when there are no particles in a large disk (or some other domain). We survey the extensive work on…

概率论 · 数学 2018-10-09 Subhro Ghosh , Alon Nishry

The misanthrope process is an interacting particle system where particles move between neighbouring sites with hop rates depending only on the number of particles at the departure and arrival sites. Motivated by a discretised version of the…

概率论 · 数学 2026-02-12 Arvind Ayyer , Saham Sil

This paper presents a new approach to obtaining nearly complete coverage paths (CP) with low overlapping on 3D general surfaces using mesh models. The CP is obtained by segmenting the mesh model into a given number of clusters using…

机器人学 · 计算机科学 2023-10-24 Van-Thach Do , Quang-Cuong Pham

Clustering in high-dimensions poses many statistical challenges. While traditional distance-based clustering methods are computationally feasible, they lack probabilistic interpretation and rely on heuristics for estimation of the number of…

统计方法学 · 统计学 2023-04-04 Abhinav Natarajan , Maria De Iorio , Andreas Heinecke , Emanuel Mayer , Simon Glenn

Nuclear Clusters (NCs) are common stellar systems in the centres of galaxies. Yet, the physical mechanisms involved in their formation are still debated. Using a parsec-resolution hydrodynamical simulation of a dwarf galaxy, we propose an…

星系天体物理 · 物理学 2016-07-01 Nicolas Guillard , Eric Emsellem , Florent Renaud

We introduce the binomial line process (BLP), a novel spatial stochastic model for the characterization of streets in the statistical evaluation of wireless and vehicular networks. Existing stochastic geometry models for streets, e.g.,…

物理与社会 · 物理学 2021-10-07 Gourab Ghatak

Clustering non-Euclidean data is difficult, and one of the most used algorithms besides hierarchical clustering is the popular algorithm Partitioning Around Medoids (PAM), also simply referred to as k-medoids. In Euclidean geometry the…

机器学习 · 计算机科学 2024-07-08 Erich Schubert , Peter J. Rousseeuw

We present a new multi-layer peeling technique to cluster points in a metric space. A well-known non-parametric objective is to embed the metric space into a simpler structured metric space such as a line (i.e., Linear Arrangement) or a…

数据结构与算法 · 计算机科学 2023-05-03 Yossi Azar , Danny Vainstein

The separability of clusters is one of the most desired properties in clustering. There is a wide range of settings in which different clusterings of the same data set appear. We are interested in applications where there is a need for an…

最优化与控制 · 数学 2022-01-26 Steffen Borgwardt , Felix Happach , Stetson Zirkelbach

We present molecular dynamics (MD) simulations results for dense fluids of ultrasoft, fully-penetrable particles. These are a binary mixture and a polydisperse system of particles interacting via the generalized exponential model, which is…

软凝聚态物质 · 物理学 2012-12-24 Daniele Coslovich , Marco Bernabei , Angel J. Moreno

A three-center phenomenological model able to explain, at least from a qualitative point of view, the difference in the observed yield of a particle-accompanied fission and that of binary fission was developed. It is derived from the liquid…

核理论 · 物理学 2007-05-23 D. N. Poenaru , B. Dobrescu , W. Greiner