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相关论文: Matern Cluster Process with Holes at the Cluster C…

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This letter provides exact characterization of the contact and nearest-neighbor distance distributions for the n dimensional (n-D) Matern cluster process (MCP). We also provide novel upper and lower bounds to these distributions in order to…

信息论 · 计算机科学 2019-12-06 Kaushlendra Pandey , Harpreet S. Dhillon , Abhishek K. Gupta

In this letter, we derive the cumulative density function (CDF) of the nearest neighbor and contact distance distributions of the Matern cluster process (MCP) in R2. These results will be useful in the performance analysis of many…

信息论 · 计算机科学 2017-08-29 Mehrnaz Afshang , Chiranjib Saha , Harpreet S. Dhillon

In this letter, we derive the CDF (cumulative distribution function) of $k$th contact distance (CD) and nearest neighbor distance (NND) of the $n$-dimensional ($n$-D) Mat\'ern cluster process (MCP). We present a new approach based on the…

信息论 · 计算机科学 2020-07-31 Kaushlendra Pandey , Abhishek K. Gupta

We characterize the statistics of nearest-neighbor and contact distance distributions for Thomas cluster process (TCP), which is a special case of Poisson cluster process. In particular, we derive the cumulative distribution function (CDF)…

信息论 · 计算机科学 2016-09-27 Mehrnaz Afshang , Chiranjib Saha , Harpreet S. Dhillon

We present a comprehensive approach to the modeling, performance analysis, and design of clustered molecular nanonetworks in which nano-machines of different clusters release an appropriate number of molecules to transmit their sensed…

信息论 · 计算机科学 2023-04-11 Seyed Mohammad Azimi-Abarghouyi , Harpreet S. Dhillon , Leandros Tassiulas

In this paper we present an analytic framework for formulating the statistical distribution of the nearest neighbour distance in hard-core point processes. We apply this framework to Mat\'{e}rn hard-core point process (MHC) to derive the…

信息论 · 计算机科学 2016-06-14 Akram Al-Hourani , Robin J. Evans , Sithamparanathan Kandeepan

This paper considers metric spaces where distances between a pair of nodes are represented by distance intervals. The goal is to study methods for the determination of hierarchical clusters, i.e., a family of nested partitions indexed by a…

社会与信息网络 · 计算机科学 2016-10-17 Weiyu Huang , Alejandro Ribeiro

The one-dimensional contact process is analyzed by a cluster approximation. In this approach, the hierarchy of rate equations for the densities of finite length empty intervals are truncated under the assumption that adjacent intervals are…

凝聚态物理 · 物理学 2009-10-22 E. Ben-Naim , P. L. Krapivsky

Clusters of similar or dissimilar objects are encountered in many fields. Frequently used approaches treat the central object of each cluster as latent. Yet, often objects of one or more types cluster around objects of another type. Such…

In this chapter we review some examples, methods, and recent results involving comparison of clustering properties of point processes. Our approach is founded on some basic observations allowing us to consider void probabilities and moment…

概率论 · 数学 2014-05-23 Bartłomiej Błaszczyszyn , D. Yogeshwaran

We propose the CliPS procedure when fitting Bayesian mixture models in the context of model-based clustering to identify the cluster distributions while simultaneously assessing the suitability of a cluster solution and validating the…

统计方法学 · 统计学 2026-03-03 Gertraud Malsiner-Walli , Sylvia Frühwirth-Schnatter , Bettina Grün

We introduce a modified model of random walk, and then develop two novel clustering algorithms based on it. In the algorithms, each data point in a dataset is considered as a particle which can move at random in space according to the…

机器学习 · 计算机科学 2008-10-31 Qiang Li , Yan He , Jing-ping Jiang

In discrete k-center and k-median clustering, we are given a set of points P in a metric space M, and the task is to output a set C \subseteq ? P, |C| = k, such that the cost of clustering P using C is as small as possible. For k-center,…

数据结构与算法 · 计算机科学 2013-07-10 Nirman Kumar , Benjamin Raichel

In this paper, we present a novel non-parametric clustering technique. Our technique is based on the notion that each latent cluster is comprised of layers that surround its core, where the external layers, or border points, implicitly…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Hadar Averbuch-Elor , Nadav Bar , Daniel Cohen-Or

k-medoids algorithm is a partitional, centroid-based clustering algorithm which uses pairwise distances of data points and tries to directly decompose the dataset with $n$ points into a set of $k$ disjoint clusters. However, k-medoids…

机器学习 · 计算机科学 2015-12-15 Mehrdad Ghadiri , Amin Aghaee , Mahdieh Soleymani Baghshah

Raw point cloud processing using capsule networks is widely adopted in classification, reconstruction, and segmentation due to its ability to preserve spatial agreement of the input data. However, most of the existing capsule based network…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Dishanika Denipitiyage , Vinoj Jayasundara , Ranga Rodrigo , Chamira U. S. Edussooriya

We demonstrate the power of Gibbs point process models from the spatial statistics literature when applied to studies of resolved galaxies. We conduct a rigorous analysis of the spatial distributions of objects in the star formation…

星系天体物理 · 物理学 2021-02-05 Dayi Li , Pauline Barmby

The phenomenon that multi-path components (MPCs) arrive in clusters has been verified by channel measurements, and is widely adopted by cluster-based channel models. As a crucial intermediate processing step, MPC clustering bridges raw data…

信息论 · 计算机科学 2025-04-30 Yiqin Wang , Chong Han

Finite mixture models that allow for a broad range of potentially non-elliptical cluster distributions is an emerging methodological field. Such methods allow for the shape of the clusters to match the natural heterogeneity of the data,…

The Mat\'ern hard-core processes are classical examples for point process models obtained from (marked) Poisson point processes. Points of the original Poisson process are deleted according to a dependent thinning rule, resulting in a…

概率论 · 数学 2017-09-19 Martin Dirrler , Martin Schlather
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