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Collective Asynchronous Remote Invocation (CARI): A High-Level and Effcient Communication API for Irregular Applications
2011
Procedia Computer Science
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The Message Passing Interface (MPI) standard continues to dominate the landscape of parallel computing as the de facto API for writing large-scale scientific applications. ...
The CARI API might be implemented in several ways-we develop and evaluate two versions of this API on a compute cluster. ...
Projection of particle density to regular grid for calculation of φ long ; scatter results back to irregularly distributed particles. 3. ...
doi:10.1016/j.procs.2011.04.004
fatcat:jizuyhhgerb2tkibpisasj3qiy
An Improved Approach for 3D Hand Pose Estimation Based on a Single Depth Image and Haar Random Fores
2015
KSII Transactions on Internet and Information Systems
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A vision-based 3D tracking of articulated human hand is one of the major issues in the applications of human computer interactions and understanding the control of robot hand. ...
Since each of the 3D hand pose has 23 degrees of freedom, the hand articulation tracking needs computational excessive burden in minimizing the 3D shape discrepancy between an observed hand and a 3D hand ...
Haar-like Feature Selection Selection of effcient feature vectors of the human hand is important because it is necessary to segment the joints of hand in real time. ...
doi:10.3837/tiis.2015.08.023
fatcat:udw2paxne5b2rizzdqlyarjnqq
Finite element meshes by means of voxels
[chapter]
1996
Lecture Notes in Computer Science
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A number of techniques have been developed for the polygonization of implicit surfaces or isosurfaces. Two approaches for generating polyhedral approximations of implicit models are presented. ...
The first method produces finite element meshes. The second algorithm is based on a P1 (linear) surface approximation from volumetric datasets. ...
A polygonal approximation can be derived from the implicit surface which can be computed effciently using adaptive subdivision techniques. ...
doi:10.1007/3-540-62005-2_10
fatcat:3bgexbf4mrappd57t5i3gngowa
A GPU-Accelerated Real-Time NLMeans Algorithm for Denoising Color Video Sequences
[chapter]
2010
Lecture Notes in Computer Science
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The strength of this filter lies in exploiting the repetitive character of structures in images. ...
In particular, we consider the graphical processing unit (GPU), which is available on most recent computers. ...
By the practical restrictions, the methods actually fall under the first class, however we expect that by more effcient parallel computing architectures and larger RAM memory the non-locality of these ...
doi:10.1007/978-3-642-17691-3_5
fatcat:pdbr4da4jvd25fx6l3zriv6wyq
Embr: A Creative Framework for Hand Embroidered Liquid Crystal Textile Displays
2022
CHI Conference on Human Factors in Computing Systems
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Figure 1: A hand-embroidered Liquid Crystal Textile Display (LCTD) is created by interlacing a conductive thread along the back of a satin stitch. ...
When powered, the thread acts as a resistive heater causing painted liquid crystal to change colors. ...
ACKNOWLEDGMENTS We thank the anonymous reviewers for their insightful feedback, Mann Pandya and Kai Rowe for their help with LCTD prototypes, and the peer support from The Hybrid Atelier at UTA. ...
doi:10.1145/3491102.3502117
fatcat:hv3rxmgosvc75omjleypmw2kwy
Evaluating Group-Robot Interaction in Crowded Public Spaces: A Week-Long Exploratory Study in the Wild with a Humanoid Robot Guiding Visitors Through a Science Museum
2015
International Journal of Humanoid Robotics
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The main goal of this experience is to study in the wild the episodes of the robot guiding visitors to a requested destination focusing on the group behavior during displacement. ...
For an entire week a humanoid robot was deployed in the popular Cosmocaixa Science Museum in Barcelona and guided hundreds of people through the museum facilities. ...
Acknowledgements This research was supported in part by the PATRICIA Research Project (TIN2012-38416-C03-01,03), funded by the Spanish Ministry of Economy and Competitiveness. ...
doi:10.1142/s021984361550022x
fatcat:cxozfrizqjc6jmbe2jlhffcrou
A Reduced Basis Framework: Application to large scale non-linear multi-physics problems
2013
ESAIM: Proceedings and Surveys
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In this paper we present applications of the reduced basis method (RBM) to large-scale non-linear multi-physics problems. ...
We first describe the mathematical framework in place and in particular the Empirical Interpolation Method (EIM) to recover an affine decomposition and then we propose an implementation using the open-source ...
Stéphane Veys and Christophe Prud'homme acknowledge the financial support of the project ANR HAMM ANR-2010-COSI-009 and FNRAE-RB4FASTIM. ...
doi:10.1051/proc/201343015
fatcat:liadnznxynav3lxkszjgbbiyvy
Information-theoretic inequalities on unimodular Lie groups
2010
Journal of Geometric Mechanics (JGM)
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computing. ...
In all such inequalities, addition of random variables is replaced with the group product, and the appropriate generalization of convolution of probability densities is employed. ...
Acknowledgments Comments from Graham Beck, Valentina Staneva, and the reviewers were helpful in improving the presentation. The author is supported by NIH Grant R01 GM075310 and NSF Grant IIS-0915542. ...
doi:10.3934/jgm.2010.2.119
pmid:21113416
pmcid:PMC2990239
fatcat:bivv7c44ovhfja6hwgow7ylm7y
Real-time automatic interpolation of ambient gamma dose rates from the Dutch radioactivity monitoring network
2009
Computers & Geosciences
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Detection of radiological accidents and monitoring the spread of the contamination is of great importance. ...
The system provides a map of 1) the kriging prediction, 2) the kriging standard error and 3) the position of approximate prediction intervals relative to a threshold. ...
The views expressed herein are those of the authors and ...
doi:10.1016/j.cageo.2008.10.011
fatcat:tlfinrzykfe7pktu2jntxxejxy
Evolution of mathematics: a brief sketch
2018
Open Access Journal of Mathematical and Theoretical Physics
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In some parts of Europe, Africa and Australia the system consisted of simple vertical bars: , , , , , for five objects like those of five fingers of a palm. ...
The inscriptions on Askoke's pillars are in Brahmi script. The tally markings of that era use the marks , , , + and a host of other markings, the mark + possibly standingfor the four directions. ...
Conflicts of interest Authors declare that there is no conflict of interest. ...
doi:10.15406/oajmtp.2018.01.00043
fatcat:yhqulc5zrvgrrawjbv32tvu2qu
Spinning fast iterative data flows
2012
Proceedings of the VLDB Endowment
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The extension alleviates for the lack of mutable state in dataflows and allows for exploiting the sparse computational dependencies inherent in many iterative algorithms. ...
While certain types of bulk iterative algorithms are supported by novel dataflow frameworks, these systems cannot exploit computational dependencies present in many algorithms, such as graph algorithms ...
The optimizer uses a cost model and interesting properties to generate an effcient plan for a given dataflow. ...
doi:10.14778/2350229.2350245
fatcat:mlgvsxdlrngntdm33n2drq6h5m
Spinning Fast Iterative Data Flows
[article]
2012
arXiv
pre-print
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The extension alleviates for the lack of mutable state in dataflows and allows for exploiting the sparse computational dependencies inherent in many iterative algorithms. ...
The evaluation of a prototypical implementation shows that those aspects lead to up to two orders of magnitude speedup in algorithm runtime, when exploited. ...
The optimizer uses a cost model and interesting properties to generate an effcient plan for a given dataflow. ...
arXiv:1208.0088v1
fatcat:urzipkk2bbbgzeh6qyayphzvoq
Semi-local String Comparison: Algorithmic Techniques and Applications
2008
Mathematics in Computer Science
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Given two strings, the longest common subsequence (LCS) problem consists in computing the length of the longest string that is a subsequence of both input strings. ...
Its generalisation, the all semi-local LCS problem, requires computing the LCS length for each string against all substrings of the other string, and for all prefixes of each string against all suffixes ...
Global subsequence recognition can also be regarded a special case of computing the edit distance between a string of size n and a context-free language (CFL) given by a grammar of size m. ...
doi:10.1007/s11786-007-0033-3
fatcat:qatuhwlutfh3bhyxd4lgyvsrbe
On Fitting Finite Dirichlet Mixture Using ECM and MML
[chapter]
2005
Lecture Notes in Computer Science
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Fluid queue models play a vital role in the performance analysis of computer and telecommunication networks. ...
The system is analysed for different active periods corresponding to the service time of an M/G/1 queue and the busy period of an M/G/1 queue. ...
In this setting, we propose a wavelet method for density estimation which adapts both to the degree of ill-posedness of the problem (smoothness of the error distribution) and to the regularity of the target ...
doi:10.1007/11551188_19
fatcat:gtzi5u6emvfyxea3zbklobnvom
Numerical Stabilization of the Melt Front for Laser Beam Cutting
[chapter]
2010
Numerical Mathematics and Advanced Applications 2009
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We present computational studies of the given problem. ...
The solution is obtained by means of Finite Element Method (FEM). ...
Kropac: Strong regularity of a family of face-to-face partitions generated by the longest-edge bisection algorithm, Comput. Math. Math. ...
doi:10.1007/978-3-642-11795-4_6
fatcat:nx4nvuxaxfbcdjknopny53ck5e
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