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TCMVS: A Novel Trajectory Clustering Technique Based on Multi-View Similarity

Vijaya Bhaskar Velpula, Mhm Krishna Prasad
2015 Cybernetics and Information Technologies  
., multi viewpoint similarity measure for clustering trajectories and presents "Trajectory Clustering Based on Multi View Similarity" technique for clustering.  ...  The analysis of moving entities "trajectories" is an important task in different application domains, since it enables the analyst to design, evaluate and optimize navigation spaces.  ...  Even though Fowlkes-Mallows Index (FMI) [24] is designed for evaluating hierarchical clustering, it can be used for evaluating the flat clustering techniques, like k-mean, since it consists of indices  ... 
doi:10.1515/cait-2015-0028 fatcat:m5utooyzgfbu5p65n6rnma6byi

Analysis and Optimization of Supply Chain Traffic using Mobility Mining Techniques

Sabu Augustine, Sajimon Abraham
2012 International Journal of Computer Applications  
This is a concept paper which visualizes the scope of various mobility mining techniques for analysis and optimization of objects moving in transportation network.  ...  Also we demonstrate how the trajectory similarity technique which is one of the mobility mining technique could be used for an efficient and effective supply chain infrastructure.  ...  , through user-driven exploration and evaluation of the discovered Trajectory clusters [8] and the visual exploration of various measures provided by the Trajectory Warehouse [9] .  ... 
doi:10.5120/8574-2311 fatcat:qrtw5bkiifgmdmglsqrlcizrv4

Evaluating the effect of compressing algorithms for trajectory similarity and classification problems

Antonios Makris, Camila Leite da Silva, Vania Bogorny, Luis Otavio Alvares, Jose Antonio Macedo, Konstantinos Tserpes
2021 Geoinformatica  
The effectiveness of the compression is evaluated using classification techniques and similarity measures.  ...  In this work, we focus on data compression techniques with the intention to minimize the size of trajectory data, while, at the same time, minimizing the impact on the trajectory analysis methods.  ...  The work reflects only the authors' view and that the EU Agency is not responsible for any use that may be made of the information it contains.  ... 
doi:10.1007/s10707-021-00434-1 fatcat:obw6pfevazfmdic6sb4gcvp2pi

FESM: An Analytical Framework for Elastic Similarity Measures Based Time Series Pattern Recognition

Nafas Esmaeili, Karim Faez
2016 International Journal of Computer Applications  
FESM consists of three main components: 1) Classification of elastic similarity measures of time series, 2) Comparative evaluation of classified similarity measures based on proposed qualitative evaluation  ...  Compare the similarity of time series is a key for most tasks and there are various similarity measures which measure the similarity of time series.  ...  used distance measures for trajectory data.  ... 
doi:10.5120/ijca2016911399 fatcat:7j4jbxclzbdkvnj3uqgs2pojdq

Effectively Grouping Trajectory Streams [chapter]

Gianni Costa, Giuseppe Manco, Elio Masciari
2013 Lecture Notes in Computer Science  
In this paper, we address the problem of trajectory data streams clustering, that revealed really intriguing as we deal with a kind of data (trajectories) for which the order of elements is relevant.  ...  Trajectory data streams are huge amounts of data pertaining to time and position of moving objects.  ...  Thus, the total number of trajectories correctly predicted can be considered as a measure for evaluating the effectiveness of the similarity at hand.  ... 
doi:10.1007/978-3-642-37382-4_7 fatcat:3x4d5tnlqnfh3maksoqjcncsda

A Semantic User Distance Metric Using GPS Trajectory Data

Zedong Lin, Qingtian Zeng, Qingtian Zeng, Hua Duan, Cong Liu, Faming Lu
2019 IEEE Access  
Word embedding technique is used to compute the semantic distance between two stay regions.  ...  Then a distance metric of these multisets satisfying the distance metric axioms is proposed on the basis of the balanced transportation problem.  ...  ) vectorbased technique [17] . • Next, introduced the concept of semantic trajectory to model users' GPS trajectories in a semantic space.  ... 
doi:10.1109/access.2019.2896577 fatcat:dty6wtovn5bkpl6m3jrjdic5fu

Linear Discriminant Analysis-Based Dynamic Indoor Localization Using Bluetooth Low Energy (BLE)

Fazli Subhan, Sajid Saleem, Haseeb Bari, Wazir Zada Khan, Saqib Hakak, Shafiq Ahmad, Ahmed M. El-Sherbeeny
2020 Sustainability  
Traditional lateration-based techniques have limitations, such as localization error, and modeling of distance estimates from received signals.  ...  On the other side, machine learning-based techniques are currently attracting industries for developing tracking applications.  ...  Declaration: We are here to declare that, this paper is extracted from Haseeb Bari, MS thesis submitted for partial fulfilment of the requirements of the degree of MSCS at NUML, Islamabad, under the supervision  ... 
doi:10.3390/su122410627 fatcat:kt5fql5eyfgxtoqlvsr4sr2f6e

Enhanced User Authentication through Trajectory Clustering [article]

Hazarath Munaga, J. V. R. Murthy, N. B. Venkateswarlu
2011 arXiv   pre-print
Obtained pattern can be considered as a cluster of measurements that can be used to differentiate from other users. We evaluated the proposed technique on the data obtained from the 100 users.  ...  In this paper, we concentrate on the most economic technique, based on the user habitual rhythm pattern i.e. not what they type but how they type is the measure for authenticating the user.  ...  Here we used Hausdorff measure [21] for calculating dissimilarity between trajectories, and observe that the Hausdorff measure is more sensitive for small changes than the Canberra distance, which we  ... 
arXiv:1108.0741v1 fatcat:ne42mynpf5eptcmhbg7ybbdtgm

Trajectory Pattern Mining [chapter]

Hoyoung Jeung, Man Lung Yiu, Christian S. Jensen
2011 Computing with Spatial Trajectories  
In step with the rapidly growing volumes of available moving-object trajectory data, there is also an increasing need for techniques that enable the analysis of trajectories.  ...  The chapter also reviews indexing structures and algorithms for trajectory pattern mining.  ...  Discussion Methods for Mining Trajectory Patterns We review distance functions for measuring the distance between two trajectories and then examine techniques for the mining of patterns from trajectories  ... 
doi:10.1007/978-1-4614-1629-6_5 fatcat:ftpmjhbabbewpii6parc6kklji

Cooperative Localization Improvement Using Distance Information in Vehicular Ad Hoc Networks

Felipe Lobo, Danilo Grael, Horacio Oliveira, Leandro Villas, Abdulaziz Almehmadi, Khalil El-Khatib
2019 Sensors  
We implement and evaluate the performance of CoVaLID using real-world data, as well as discuss the impact of different distance sensors in our proposed solution.  ...  Our solution also uses distance information to assess the position accuracy related to three different aspects: the number of vehicles, vehicle trajectory, and distance information error.  ...  Acknowledgments: This work was supported by CAPES, Coordination for Higher Education Personnel Improvement-Brazil. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s19235231 pmid:31795187 fatcat:qls7ap3s35fsxhvt5liddxh7ni

Similarity Search for Trajectories of RFID Tags in Supply Chain Traffic

Sabu Augustine, Samuel M. S, Sajimon Abraham
2016 International Journal of Database Management Systems  
support of efficient trajectory similarity techniques is indisputably very important for the quality of data analysis tasks in Supply Chain Traffic which will enable similar product movements.  ...  With the integration of wireless communications and positioning technologies, the concept of Trajectory Database has become increasingly important, and has posed great challenges to the data mining community.The  ...  The first important aspect is the co two concepts of similarity have been applied successfully. two concepts of similarity measure in the literature [12] which are concept of distance-based similarity  ... 
doi:10.5121/ijdms.2016.8302 fatcat:37ny6p4mqfgl3pkkcnkgmywhbq

News story clustering from both what and how aspects

Wei-Ta Chu, Chao-Chin Huang, Wen-Fang Cheng
2011 Proceedings of the 2011 ACM international workshop on Automated media analysis and production for novel TV services - AIEMPro '11  
Semantic concepts, the bag of visual word model and the bag of trajectory model are used to describe what and how objects present in news stories.  ...  News story clustering, bag of visual word, bag of trajectory, semantic features, earth mover's distance, affinity propagation.  ...  Acknowledgement The work was partially supported by the National Science Council of Taiwan, Republic of China under research contract NSC 100-2221-E-194-061 and NSC 99-2221-E-194-036.  ... 
doi:10.1145/2072552.2072555 fatcat:tb2p2e5j7jaarciobimr2nkamq

Insight Into the Dynamics of the Coronary Sinus/Great Cardiac Vein and the Mitral Annulus: Implications for Percutaneous Mitral Annuloplasty Techniques

R. del Valle-Fernandez, V. Jelnin, G. Panagopoulos, C. E. Ruiz
2009 Circulation. Cardiovascular Interventions  
The dimensions of the CS/GCV and the distance between this structure and the MA were measured at 10 different spatial points along the CS/GCV trajectory and at 3 different time points along the cardiac  ...  Whether these findings are of clinical relevance for patients undergoing percutaneous mitral annuloplasty needs to be prospectively evaluated. (Circ Cardiovasc Intervent. 2009;2:00-00.)  ...  Figure 2 . 2 Measurement of the dimensions of the CS/GCV and of the distance to the MA using a CPR technique.  ... 
doi:10.1161/circinterventions.109.873281 pmid:20031774 fatcat:w4mm7r7lzvaetfe7covechtue4

A novel approach for Self-Localization based on Computer Vision and Artificial Marker Deposition

Savan Chhaniyara, Kaspar Althoefer, Yahya H Zweiri, Lakmal D Seneviratne
2007 2007 IEEE International Conference on Networking, Sensing and Control  
A new velocity and position sensor concept for manned and unmanned ground vehicles is proposed.  ...  The speed of these markers with respect to the moving vehicle is then measured using a two dimensional (possibly three dimensional) sensor affixed to the vehicle.  ...  In addition, a measuring tape was used to measure the distance of intermediate positions which can be correlated with the trajectory of the motion of trolley as measured by the proposed camera-based localization  ... 
doi:10.1109/icnsc.2007.372766 dblp:conf/icnsc/ChhaniyaraAZS07 fatcat:bduxrzey7vdejjae6r3vcdxfoe

Efficient trajectory joins using symbolic representations

Petko Bakalov, Marios Hadjieleftheriou, Eamonn Keogh, Vassilis J. Tsotras
2005 Proceedings of the 6th international conference on Mobile data management - MEM '05  
Based on special lower-bounding distances between two strings, we propose a pruning heuristic for reducing the number of trajectory pairs that need to be examined.  ...  Through a comprehensive experimental evaluation we present the advantages of the proposed techniques.  ...  Then, by defining an appropriate distance function for strings and showing that this function is a lowerbounding measure of user defined function D, we will be able to approximately evaluate the trajectory  ... 
doi:10.1145/1071246.1071259 dblp:conf/mdm/BakalovHKT05 fatcat:d4bzb62c2zc7njcub6xkula3s4
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