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Estimating the number of sources: An efficient maximization approach

Tara Salman, Ahmed Badawy, Tarek M. Elfouly, Amr Mohamed, Tamer Khattab
2015 2015 International Wireless Communications and Mobile Computing Conference (IWCMC)  
Estimating the number of sources received by an antenna array have been well known and investigated since the starting of array signal processing.  ...  In this paper, a new algorithm for estimating the number of sources is presented.  ...  The statements made herein are solely the responsibility of the authors.  ... 
doi:10.1109/iwcmc.2015.7289082 dblp:conf/iwcmc/SalmanBEMK15 fatcat:e5zgiqz6zfap7fckbp6u2sh3ge

Developing an Activity-Based Costing Approach to Maximize the Efficiency of Customer Relationship Management Projects [article]

Mahmood Shafiee, Golriz Amooee, Yaghoub Farjami
2012 arXiv   pre-print
This approach has the potential to integrate all business processes around the requirements of significant profitable customers, a fact that most of the previous researches fail to acknowledge.  ...  The model presented in this paper combines the principles of activity-based costing with performance measurement.  ...  This paper has tried to use this new cost system, to develop a new model to maximize the efficiency of customer relationship management projects.  ... 
arXiv:1207.5108v1 fatcat:il5gmkrvgvcgja3drvms4spigu

An Efficient Updation Approach for Enumerating Maximal (Δ, γ)Cliques of a Temporal Network [article]

Suman Banerjee, Bithika Pal
2020 arXiv   pre-print
Enumerating such maximal cliques is an important problem in temporal network analysis, as it reveals contact pattern among the nodes of G.  ...  In this paper, we study the maximal (Δ, γ)clique enumeration problem in online setting; i.e.; the entire link set of the network is not known in advance, and the links are coming as a batch in an iterative  ...  Proposed Solution Approach In this section, we describe the proposed solution approach for updating maximal (∆, γ)-cliques.  ... 
arXiv:2007.04411v1 fatcat:lcbfjwxbf5byjmiv3tv25x6aca

Estimation of the number of sources in unbalanced arrays via information theoretic criteria

E. Fishler, H.V. Poor
2005 IEEE Transactions on Signal Processing  
Estimating the number of sources impinging on an array of sensors is a well known and well investigated problem.  ...  In this paper, motivated by real life problems, a systematic approach toward the problem of robust estimation of the number of sources using information theoretic criteria is taken.  ...  Thus, computationally efficient and robust estimators for the number of sources are of considerable interest.  ... 
doi:10.1109/tsp.2005.853099 fatcat:fwhsjbxnzzba3omtgn3ph3hhfi

Simple and Efficient Algorithm for Improving the MDL Estimator of the Number of Sources

Dayan Guimarães, Rausley de Souza
2014 Sensors  
We propose a simple algorithm for improving the MDL (minimum description length) estimator of the number of sources of signals impinging on multiple sensors.  ...  Such norms are used to discriminate the largest eigenvalues from the remaining ones, thus allowing for the estimation of the number of sources.  ...  Author Contributions Both authors have equally contributed to the development of the paper and the related research. Conflicts of Interest The author declares no conflicts of interest.  ... 
doi:10.3390/s141019477 pmid:25330050 pmcid:PMC4239895 fatcat:2qyf5c4mofemppnuiblh4li36m

Active Diagnosis via AUC Maximization: An Efficient Approach for Multiple Fault Identification in Large Scale, Noisy Networks [article]

Gowtham Bellala, Jason Stanley, Clayton Scott, Suresh K. Bhavnani
2012 arXiv   pre-print
We propose a rank-based greedy algorithm that sequentially chooses queries such that the area under the ROC curve of the rank-based output is maximized.  ...  The problem of active diagnosis arises in several applications such as disease diagnosis, and fault diagnosis in computer networks, where the goal is to rapidly identify the binary states of a set of objects  ...  Active Diagnosis The approach in active diagnosis is to maximize some function f (z A ), which denotes the quality of the estimate of X, subject to a constraint on the number of queries made, i.e., max  ... 
arXiv:1202.3701v1 fatcat:cj3uge3kl5amxmqp3zfdnebqwy

An Efficient Routing Approach to Maximize the Lifetime of IoT-Based Wireless Sensor Networks in 5G and Beyond

C. Jothikumar, Kadiyala Ramana, V. Deeban Chakravarthy, Saurabh Singh, In-Ho Ra, Zengpeng Li
2021 Mobile Information Systems  
In the proposed system, Optimal Cluster-Based Routing (Optimal-CBR), the energy efficiency, and network lifetime are improved using a hierarchical routing approach for applications on the IoT in the 5G  ...  The sink (or base station) is the endpoint of data transmission in every round. The major concerns of IoT-based WSNs are improving the network lifetime and energy efficiency.  ...  Routing algorithms can make intelligent decisions with a reliable lifetime estimate that can help save resources and extend the lifetime of the node. e amalgamation of data from various sources is termed  ... 
doi:10.1155/2021/9160516 fatcat:sqrivro4p5gnpbqqnfhzxktwpi

An Efficient Virtual Machine Scheduling Algorithm To Minimize Makespan And Maximize Profit Using Hyper Heuristic Approach

Ahmad Alauddin Ariffin, UPM Faculty of Computer Science and Information Technology, Malaysia
2019 International Journal of Advanced Trends in Computer Science and Engineering  
An efficient task scheduling algorithm is needed for improve the system performance. In this paper, the focus is on improving the virtual machines scheduling performance for makespan and cost.  ...  The second process is known as the Hyper Analytical Task Scheduling Algorithm, and based on the scheduled tasks, the Policy-based Profit Maximization Algorithm was proposed in the final process.  ...  For maximizing the profit, productive estimation (based on the scheduled VM) and basic First in First Out policy is used to find the maximum profit.  ... 
doi:10.30534/ijatcse/2019/3281.42019 fatcat:lfgizkjb6vdplhl44ofaydohgu

Estimating the Number and Sizes of Fuzzy-Duplicate Clusters

Arvid Heise, Gjergji Kasneci, Felix Naumann
2014 Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management - CIKM '14  
In extensive experiments, on multiple datasets, we show that the proposed method reliably estimates the number of duplicate clusters, while being highly efficient.  ...  This paper investigates the problem of estimating the number and sizes of duplicate record clusters in advance and describes a sampling-based method for solving this problem.  ...  Second, we devised a random walk approach that reliably and efficiently estimates the original histogram from an increasing sample.  ... 
doi:10.1145/2661829.2661885 dblp:conf/cikm/HeiseKN14 fatcat:wlj7vd33u5fh5m7xsjn62s3ajy

Unbiased estimation of cell number using the automatic optical fractionator

Peter R. Mouton, Hady Ahmady Phoulady, Dmitry Goldgof, Lawrence O. Hall, Marcia Gordon, David Morgan
2017 Journal of Chemical Neuroanatomy  
A novel stereology approach, the automatic optical fractionator, is presented for obtaining unbiased and efficient estimates of the number of cells in tissue sections.  ...  An example of the automatic fractionator is provided for counts of immunostained neurons in neocortex of a genetically modified mouse model of neurodegeneration.  ...  Public Health Service (NIH), grants to PRM and DG from the Florida High Technology Corridor program, and a grant to PRM from the Byrd Alzheimer's Institute at the University of South Florida, Tampa, FL  ... 
doi:10.1016/j.jchemneu.2016.12.002 pmid:27988177 pmcid:PMC5303677 fatcat:7tgpvsjaqnfbxhag4hpe76ozp4

Empirical Automatic Estimation of the Number of Endmembers in Hyperspectral Images

Bin Luo, J. Chanussot, S. Doute, Liangpei Zhang
2013 IEEE Geoscience and Remote Sensing Letters  
In this letter, an eigenvalue-based empirical method is proposed in order to estimate the number of endmembers in hyperspectral data.  ...  The number of endmembers is usually a crucial parameter. If the estimated number is too small, the spectra of the extracted endmembers could be still mixtures of several chemical species.  ...  This problem is related to the estimation of the number of sources in mixed signals.  ... 
doi:10.1109/lgrs.2012.2189934 fatcat:4vrd7dz2pfaste3mwxurmowucu

A randomized algorithm for estimating the number of clusters

O. N. Granichin, D. S. Shalymov, R. Avros, Z. Volkovich
2011 Automation and remote control  
A new randomized algorithm is suggested and established for finding the number of clusters in the set of data, the efficiency of which is demonstrated by examples of simulation modeling on synthetic data  ...  with thousands of clusters.  ...  A small divergence of the results is interpreted as a high stability. The number of clusters that maximizes the cluster stability can serve to be a good estimate for their actual number.  ... 
doi:10.1134/s0005117911040072 fatcat:lviwk734nvhqjetgdmc27ttpkm

Estimating the number of contending IoT devices in 5G networks: Revealing the invisible

Meriam Bouzouita, Yassine Hadjadj-Aoul, Nawel Zangar, Gerardo Rubino
2018 Transactions on Emerging Telecommunications Technologies  
Using such information, we propose an accurate recursive estimator of the number of devices.  ...  Moreover, barring some IoT devices from accessing the network is very efficient; nevertheless, efficiency is generally linked to precise knowledge of the number of contending devices.  ...  Indeed, the efficiency of the proposed method of estimation requires a stable system, and thus an efficient controller should be activated.  ... 
doi:10.1002/ett.3513 fatcat:4yxwgk3sxfet3cdo4gheux4ljm

A Harmony Search Method for the Estimation of the Optimum Number of Wind Turbines in a Wind Farm

Christos A. Christodoulou, Vasiliki Vita, George-Calin Seritan, Lambros Ekonomou
2020 Energies  
The main scope of wind farm designers is the achievement of the maximum possible power, restraining the installation cost that is related to the use of a specific number of wind turbines for specific power  ...  Governments around the world are focusing on reducing greenhouse gas emissions by increasing the utilization of renewable energy sources in the power chain.  ...  The appropriate number of wind turbines and their positioning within the wind farm, in an effort to maximize the efficiency and the energy production and to reduce at the same time the installation costs  ... 
doi:10.3390/en13112777 fatcat:jupnjcnatrdwpco3vacp6xjvlq

Estimating the number of faults: efficiency of removal, recapture, and seeding

C.J. Lloyd, P.S.F. Yip, Kin Sun Chan
1999 IEEE Transactions on Reliability  
Relative efficiency: Reciprocal of the ratio of the standard deviations of two estimators. 4 Let there be an unknown nuniber, v, of faults in a computer program.  ...  If no seeds arc present, this is ihe only source of separate estimation of X and we anticipate the gains from recapture to be large.  ... 
doi:10.1109/24.814519 fatcat:yf4mq2dorvar7nufvahbh7eyhu
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