检索结果-内蒙古大学图书馆

IAPR International Conference on Biometrics (ICB)

作者： B H Shekar R K Bharathi Josef Kittler Yu. V. Vizilter Leonid Mestestskiy Department of Computer Science Mangalore University Mangalore India Department of Master of Computer Applications S J College of Engineering Mysore India Centre for Vision Speech and Signal Processing University of Surrey Guildford UK The Federal State Unitary Enterprise State Research Institute of Aviation System Moscow Russia Department of Computational Mathematics Moscow State University Moscow Russia

In this paper, we present a grid structured morphological pattern spectrum based approach for off-line signature verification. The proposed approach has three major phases: preprocessing, feature extraction and verification. In the feature extraction phase, the signature image is partitioned into eight equally sized vertical grids and grid structured morphological pattern spectra for each grid is obtained. The grid structured morphological spectrum is represented in the form of 10-bin histogram and normalised to overcome the problem of scaling. The eighty dimensional feature vector is obtained by concatenating all the eight vertical morphological spectrum based normalised histogram. For verification purpose, we have considered two well known classifiers, namely SVM and MLP and conducted experiments on standard signature datasets namely CEDAR, GPDS-160 and MUKOS, a regional language (Kannada) dataset. The comparative study is also provided with the well known approaches to exhibit the performance of the proposed approach.

关键词： Feature extraction Support vector machines Forgery Accuracy Training Histograms Shape

来源：评论

学校读者我要写书评

暂无评论

Sensitivity of the KM3NeT/ARCA neutrino telescope to point-like neutrino sources

arXiv

引用

arXiv 2018年

作者： Aiello, S. Akrame, S.E. Ameli, F. Anassontzis, E.G. Andre, M. Androulakis, G. Anghinolfi, M. Anton, G. Ardid, M. Aublin, J. Avgitas, T. Bagatelas, C. Barbarino, G. Baret, B. Barrios-Martí, J. Belias, A. Berbee, E. van den Berg, A. Bertin, V. Biagi, S. Biagioni, A. Biernoth, C. Boumaaza, J. Bourret, S. Bouta, M. Bouwhuis, M. Bozza, C. Brânzaş, H. Bruchner, M. Bruijn, R. Brunner, J. Buis, E. Buompane, R. Busto, J. Calvo, D. Capone, A. Celli, S. Chabab, M. Chau, N. Cherubini, S. Chiarella, V. Chiarusi, T. Circella, M. Cocimano, R. Coelho, J.A.B. Coleiro, A. Molla, M. Colomer Coniglione, R. Coyle, P. Creusot, A. Cuttone, G. D'Onofrio, A. Dallier, R. de Sio, C. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donà, R. Donzaud, C. Dornic, D. Dörr, M. Durocher, M. Eberl, T. van Eijk, D. El Bojaddaini, I. Eljarrari, H. Elsaesser, D. Enzenhöfer, A. Fermani, P. Ferrara, G. Filipović, M.D. Fusco, L.A. Gal, T. Garcia, A. Garufi, F. Gialanella, L. Giorgio, E. Giuliante, A. Gozzini, S.R. Gracia, R. Graf, K. Grasso, D. Grégoire, T. Grella, G. Hallmann, S. Hamdaoui, H. van Haren, H. Heid, T. Heijboer, A. Hekalo, A. Hernández-Rey, J.J. Hofestädt, J. Illuminati, G. James, C.W. Jongen, M. de Jong, M. de Jong, P. Kadler, M. Nski, P. Kalaczy Kalekin, O. Katz, U.F. Chowdhury, N.R. Khan Kießling, D. Koffeman, E.N. Kooijman, P. Kouchner, A. Kreter, M. Kulikovskiy, V. Kannichankandy, M. Kunhikannan Lahmann, R. Larosa, G. Le Breton, R. Leone, F. Leonora, E. Levi, G. Lincetto, M. Lonardo, A. Longhitano, F. Coto, D. Lopez Lotze, M. Maderer, L. Maggi, G. Nczak, J. Ma Mannheim, K. Margiotta, A. Marinelli, A. Markou, C. Martin, L. Martínez-Mora, J.A. Martini, A. Marzaioli, F. Mele, R. Melis, K.W. Migliozzi, P. Migneco, E. Mijakowski, P. Miranda, L.S. Mollo, C.M. Morganti, M. Moser, M. Moussa, A. Muller, R. Musumeci, M. Nauta, L. Navas, S. Nicolau, C.A. Nielsen, C. Fearraigh, B.Ó. Organokov, M. Orlando, A. Ottonello, S. INFN Sezione di Catania Via Santa Sofia 64 Catania95123 Italy Cadi Ayyad University Physics Department Faculty of Science Semlalia Av. My Abdellah P.O.B. 2390 Marrakech40000 Morocco INFN Sezione di Roma Piazzale Aldo Moro 2 Roma00185 Italy Physics Department N. and K. University of Athens Athens Greece Universitat Politècnica de Catalunya Laboratori d’Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú08800 Spain NCSR Demokritos Institute of Nuclear and Particle Physics Ag. Paraskevi Attikis Athens15310 Greece INFN Sezione di Genova Via Dodecaneso 33 Genova16146 Italy Friedrich-Alexander-Universität Erlangen-Nürnberg Erlangen Centre for Astroparticle Physics Erwin-Rommel-Straße 1 Erlangen91058 Germany Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/ Paranimf 1 Gandia46730 Spain APC Université Paris Diderot CNRS/IN2P3 CEA/IRFU Observatoire de Paris Sorbonne Paris Cité Paris75205 France INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy Università di Napoli "Federico II" Dip. Scienze Fisiche "E. Pancini Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy c/Catedrático José Beltrán 2 PaternaValencia46980 Spain Nikhef National Institute for Subatomic Physics PO Box 41882 Amsterdam1009 DB Netherlands KVI-CART University of Groningen Groningen Netherlands Aix Marseille Univ CNRS/IN2P3 CPPM Marseille France INFN Laboratori Nazionali del Sud Via S. Sofia 62 Catania95123 Italy University Mohammed V in Rabat Faculty of Sciences 4 av. Ibn Battouta B.P. 1014 R.P Rabat10000 Morocco University Mohammed I Faculty of Sciences BV Mohammed VI B.P. 717 R.P Oujda60000 Morocco Università di Salerno e INFN Gruppo Collegato di Salerno Dipartimento di Fisica Via Giovanni Paolo II 132 Fisciano84084 Italy ISS Atomistilor 409 M

KM3NeT will be a network of deep-sea neutrino telescopes in the Mediterranean Sea. The KM3NeT/ARCA detector, to be installed at the Capo Passero site (Italy), is optimised for the detection of high-energy neutrinos of cosmic origin. Thanks to its geographical location on the Northern hemisphere, KM3NeT/ARCA can observe upgoing neutrinos from most of the Galactic Plane, including the Galactic Centre. Given its effective area and excellent pointing resolution, KM3NeT/ARCA will measure or significantly constrain the neutrino flux from potential astrophysical neutrino sources. At the same time, it will test flux predictions based on gamma-ray measurements and the assumption that the gamma-ray flux is of hadronic origin. Assuming this scenario, discovery potentials and sensitivities for a selected list of Galactic sources and to generic point sources with an E−2 spectrum are presented. These spectra are assumed to be time independent. The results indicate that an observation with 3σ significance is possible in about six years of operation for the most intense sources, such as Supernovae Remnants RXJ1713.7-3946 and Vela Jr. If no signal will be found during this time, the fraction of the gamma-ray flux coming from hadronic processes can be constrained to be below 50% for these two objects. Copyright © 2018, The Authors. All rights reserved.

关键词： Telescopes

来源：评论

学校读者我要写书评

暂无评论

Qualitative analysis of differential, difference equations, and dynamic equations on time scales

Abstract and Applied Analysis

引用

Abstract and Applied Analysis 2015年第1期2015卷

作者： Li, Tongxing Diblík, Josef Domoshnitsky, Alexander Rogovchenko, Yuriy V. Sadyrbaev, Felix Wang, Qi-Ru School of Informatics Linyi University Linyi Shandong 276005 China Department of Mathematics and Descriptive Geometry Faculty of Civil Engineering Brno University of Technology Brno 602 00 Czech Republic Department of Mathematics Faculty of Electrical Engineering Brno University of Technology Brno 616 00 Czech Republic Department of Mathematics and Computer Sciences Ariel University Ariel 40700 Israel Department of Mathematical Sciences University of Agder P.O. Box 422 Kristiansand 4604 Norway Institute of Mathematics and Computer Science University of Latvia Rainis Boulevard 29 Riga LV-1459 Latvia School of Mathematics and Computational Science Sun Yat-sen University Guangzhou 510275 China

来源：评论

学校读者我要写书评

暂无评论

Towards a data-driven approach to scenario generation for serious games

Towards a data-driven approach to scenario generation for se...

引用

作者： Luo, Linbo Yin, Haiyan Cai, Wentong Lees, Michael Othman, Nasri Bin Zhou, Suiping School of Computer Science and Technology Xidian University Xi'an China School of Computer Engineering Nanyang Technological University Singapore Section Computational Science University of Amsterdam Netherlands Institute of High Performance Computing Singapore School of Science and Technology Middlesex University United Kingdom

Serious games have recently shown great potential to be adopted in many applications, such as training and education. However, one critical challenge in developing serious games is the authoring of a large set of scenarios for different training objectives. In this paper, we propose a data-driven approach to automatically generate scenarios for serious games. Compared with other scenario generation methods, our approach leverages on the simulated player performance data to construct the scenario evaluation function for scenario generation. To collect the player performance data, an artificial intelligence (AI) player model is designed to imitate how a human player behaves when playing scenarios. The AI players are used to replace human players for data collection. The experiment results show that our data-driven approach provides good prediction accuracy on scenario's training intensities. It also outperforms our previous heuristic-based approach in its capability of generating scenarios that match closer to specified target player performance. Copyright © 2014 John Wiley & Sons, Ltd.

关键词： Serious games

来源：评论

学校读者我要写书评

暂无评论

Erratum to: Proton-hole and core-excited states in the semi-magic nucleus 131In82

引用

The European Physical Journal A 2016年第12期52卷 1-2页

作者： Taprogge, J. Jungclaus, A. Grawe, H. Borzov, I. N. Nishimura, S. Doornenbal, P. Lorusso, G. Simpson, G. S. Söderström, P. -A. Sumikama, T. Xu, Z. Y. Baba, H. Browne, F. Fukuda, N. Gernhäuser, R. Gey, G. Inabe, N. Isobe, T. Jung, H. S. Kameda, D. Kim, G. D. Kim, Y. -K. Kojouharov, I. Kubo, T. Kurz, N. Kwon, Y. K. Li, Z. Sakurai, H. Schaffner, H. Shimizu, Y. Steiger, K. Suzuki, H. Takeda, H. Vajta, Zs. Watanabe, H. Wu, J. Yagi, A. Yoshinaga, K. Benzoni, G. Bönig, S. Chae, K. Y. Coraggio, L. Daugas, J. -M. Drouet, F. Gadea, A. Gargano, A. Ilieva, S. Itaco, N. Kondev, F. G. Kröll, T. Lane, G. J. Montaner-Pizá, A. Moschner, K. Mücher, D. Naqvi, F. Niikura, M. Nishibata, H. Odahara, A. Orlandi, R. Patel, Z. Podolyák, Zs. Wendt, A. Instituto de Estructura de la Materia CSIC Madrid Spain Departamento de Física Teórica Universidad Autónoma de Madrid Madrid Spain RIKEN Nishina Center RIKEN Saitama Japan GSI Helmholtzzentrum für Schwerionenforschung GmbH Darmstadt Germany National Research Centre “Kurchatov Institute” Moscow Russia Joint Institute for Nuclear Research Dubna Russia National Physical Laboratory NPL Teddington UK Department of Physics University of Surrey Guildford UK CNRS/IN2P3 Institut National Polytechnique de Grenoble LPSC Université Joseph Fourier Grenoble 1 Grenoble Cedex France Department of Physics Tohoku University Sendai Japan Department of Physics University of Tokyo Tokyo Japan School of Computing Engineering and Mathematics University of Brighton Brighton UK Physik Department E12 Technische Universität München Garching Germany Institut Laue-Langevin Grenoble Cedex 9 France Department of Physics Chung-Ang University Seoul Korea Rare Isotope Science Project Institute for Basic Science Daejeon Korea Department of Nuclear Engineering Hanyang University Seoul Korea School of Physics and State key Laboratory of Nuclear Physics and Technology Peking University Beijing China MTA Atomki Debrecen Hungary Department of Physics Osaka University Toyonaka Japan Department of Physics Faculty of Science and Technology Tokyo University of Science Noda Japan INFN Sezione di Milano Milano Italy Institut für Kernphysik Technische Universität Darmstadt Darmstadt Germany Department of Physics Sungkyunkwan University Suwon Korea Istituto Nazionale di Fisica Nucleare Complesso Universitario di Monte S. Angelo Napoli Italy CEA DAM DIF Arpajon cedex France Instituto de Física Corpuscular CSIC-Univ. of Valencia Paterna Spain Seconda Università di Napoli Dipartimento di Matematica e Fisica Caserta Italy Nuclear Engineering Division Argonne National Laboratory Argonne USA Department of Nuclear Physics Research School of Physical Sciences and Engineering Austr

来源：评论

学校读者我要写书评

暂无评论

In-beam γ-ray spectroscopy of the neutron-rich platinum isotope Pt200 toward the N=126 shell gap

引用

Physical Review C 2017年第6期95卷 064321-064321页

作者： P. R. John J. J. Valiente-Dobón D. Mengoni V. Modamio S. Lunardi D. Bazzacco A. Gadea C. Wheldon T. R. Rodríguez T. Alexander G. de Angelis N. Ashwood M. Barr G. Benzoni B. Birkenbach P. G. Bizzeti A. M. Bizzeti-Sona S. Bottoni M. Bowry A. Bracco F. Browne M. Bunce F. Camera L. Corradi F. C. L. Crespi B. Melon E. Farnea E. Fioretto A. Gottardo L. Grente H. Hess Tz. Kokalova W. Korten A. Kuşoğlu S. Lenzi S. Leoni J. Ljungvall R. Menegazzo C. Michelagnoli T. Mijatović G. Montagnoli D. Montanari D. R. Napoli Zs. Podolyák G. Pollarolo F. Recchia P. Reiter O. J. Roberts E. Şahin M.-D. Salsac F. Scarlassara M. Sferrazza P.-A. Söderström A. M. Stefanini S. Szilner C. A. Ur A. Vogt J. Walshe Dipartimento di Fisica e Astronomia Università di Padova I-35131 Padova Italy Istituto Nazionale di Fisica Nucleare Sezione di Padova I-35131 Padova Italy Istituto Nazionale di Fisica Nucleare Laboratori Nazionali di Legnaro I-35020 Legnaro Italy Instituto de Física Corpuscular CSIC-Universitat de València E-46980 València Spain School of Physics and Astronomy University of Birmingham Edgbaston Birmingham B15 2TT United Kingdom Institut für Kernphysik Technische Universität Darmstadt D-64289 Darmstadt Germany Departamento de Física Teórica Universidad Autónoma de Madrid E-28049 Madrid Spain Department of Physics University of Surrey GU2 7XH Guildford United Kingdom Dipartimento di Fisica Università di Milano I-20133 Milano Italy Istituto Nazionale di Fisica Nucleare Sezione di Milano I-20133 Milano Italy Institut für Kernphysik Universität zu Köln D-50937 Köln Germany Dipartimento di Fisica Università di Firenze I-50019 Sesto Fiorentino (Firenze) Italy Istituto Nazionale di Fisica Nucleare Sezione di Firenze I-50019 Sesto Fiorentino (Firenze) Italy School of Computing Engineering and Mathematics University of Brighton Brighton BN2 4GJ United Kingdom Institut de Recherche sur les lois Fondamentales de l'Univers IRFU CEA/DSM Centre CEA de Saclay F-91191 Gif-sur-Yvette Cedex France Department of Physics Faculty of Science Istanbul University Vezneciler/Fatih TR-34134 İstanbul Turkey ELI-NP Horia Hulubei National Institute of Physics and Nuclear Engineering 077125 Magurele Romania Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse CSNSM CNRS/IN2P3 and Université Paris-Sud F-91405 Orsay Campus France Institut Ruder Bošković HR-10000 Zagreb Croatia Dipartimento di Fisica Teorica Università di Torino I-10125 Torino Italy Istituto Nazionale di Fisica Nucleare Sezione di Torino I-10125 Torino Italy Département de Physique Université libre de Bruxelles B-1050 Bruxelles Belgium Department of Physics and Astronomy Uppsala University SE-75120

The neutron-rich nucleus Pt200 is investigated via in-beam γ-ray spectroscopy to study the shape evolution in the neutron-rich platinum isotopes towards the N=126 shell closure. The two-neutron transfer reaction Pt198(Se82, Se80)Pt200 is used to populate excited states of Pt200. The Advanced Gamma Ray Tracking Array (AGATA) demonstrator coupled with the PRISMA spectrometer detects γ rays coincident with the Se80 recoils, the binary partner of Pt200. The binary partner method is applied to extract the γ-ray transitions and build the level scheme of Pt200. The level at 1884 keV reported by Yates et al. [S. W. Yates, E. M. Baum, E. A. Henry, L. G. Mann, N. Roy, A. Aprahamian, R. A. Meyer, and R. Estep, Phys. Rev. C 37, 1889 (1988)] was confirmed to be at 1882.1 keV and assigned as the (61+) state. An additional γ ray was found and it presumably deexcites the (81+) state. The results are compared with state-of-the-art beyond mean-field calculations, performed for the even-even 190−204Pt isotopes, revealing that Pt200 marks the transition from the γ-unstable behavior of lighter Pt nuclei towards a more spherical one when approaching the N=126 shell closure.

关键词： Collective levels Electromagnetic transitions Energy levels & level densities Low & intermediate energy heavy-ion reactions Nuclear charge distribution Nuclear structure & decays Transfer reactions 190 ≤ A ≤ 219

来源：评论

学校读者我要写书评

暂无评论

A New Scalable Parallel Algorithm for Fock Matrix Construction

A New Scalable Parallel Algorithm for Fock Matrix Constructi...

引用

International Symposium on Parallel and Distributed Processing (IPDPS)

作者： Xing Liu Aftab Patel Edmond Chow School of Computational Science and Engineering College of Computing Georgia Institute of Technology Atlanta Georgia USA

ISBN: (纸本)9781479938018

Hartree-Fock (HF) or self-consistent field (SCF) calculations are widely used in quantum chemistry, and are the starting point for accurate electronic correlation methods. Existing algorithms and software, however, may fail to scale for large numbers of cores of a distributed machine, particularly in the simulation of moderately-sized molecules. In existing codes, HF calculations are divided into tasks. Fine-grained tasks are better for load balance, but coarse-grained tasks require less communication. In this paper, we present a new parallelization of HF calculations that addresses this trade-off: we use fine grained tasks to balance the computation among large numbers of cores, but we also use a scheme to assign tasks to processes to reduce communication. We specifically focus on the distributed construction of the Fock matrix arising in the HF algorithm, and describe the data access patterns in detail. For our test molecules, our implementation shows better scalability than NWChem for constructing the Fock matrix.

关键词： Heuristic algorithms Dynamic scheduling Equations Partitioning algorithms Approximation algorithms Hafnium Approximation methods

来源：评论

学校读者我要写书评

暂无评论

Energy landscape of the finite-size mean-field 2-spin spherical model and topology trivialization

引用

Physical Review E 2015年第2期91卷 022133-022133页

作者： Dhagash Mehta Jonathan D. Hauenstein Matthew Niemerg Nicholas J. Simm Daniel A. Stariolo Department of Applied and Computational Mathematics and Statistics University of Notre Dame Notre Dame Indiana 46565 USA Department of Chemistry The University of Cambridge Cambridge CB2 1EW United Kingdom Simons Institute for the Theory of Computing University of California Berkeley California 94720-2190 USA National Institute of Mathematical Sciences Daejeon Korea School of Mathematical Sciences Queen Mary University of London Mile End Road London E1 4NS United Kingdom Instituto de Física Universidade Federal do Rio Grande do Sul and National Institute of Science and Technology for Complex Systems CP 15051 91501-970 Porto Alegre RS Brazil

Motivated by the recently observed phenomenon of topology trivialization of potential energy landscapes (PELs) for several statistical mechanics models, we perform a numerical study of the finite-size 2-spin spherical model using both numerical polynomial homotopy continuation and a reformulation via non-Hermitian matrices. The continuation approach computes all of the complex stationary points of this model while the matrix approach computes the real stationary points. Using these methods, we compute the average number of stationary points while changing the topology of the PEL as well as the variance. Histograms of these stationary points are presented along with an analysis regarding the complex stationary points. This work connects topology trivialization to two different branches of mathematics: algebraic geometry and catastrophe theory, which is fertile ground for further interdisciplinary research.

关键词： Topology

来源：评论

学校读者我要写书评

暂无评论

STEM in 4 Dimensions: Using Multivariate Analysis of Ptychographic Data to Reveal Material Functionality

引用

Microscopy and Microanalysis 2015年第S3期21卷 1863-1864页

作者： Stephen Jesse Miaofang Chi Albina Y. Borisevich Alex Belianinov Raymond R. Unocic Christopher T. Symons Eirik Endeve Richard K. Archibald Sergei V. Kalinin Andrew R. Lupini Institute for Functional Imaging of Materials Oak Ridge National Laboratory Oak Ridge TN 37831 Computational Sciences & Engineering Division Oak Ridge National Laboratory Oak Ridge TN 37831 Computer Science and Mathematics Division Oak Ridge National Laboratory Oak Ridge TN 37831 Center for Nanophase Materials Sciences Oak Ridge National Laboratory Oak Ridge TN 37831 Materials Science & Technology Division Oak Ridge National Laboratory Oak Ridge TN 37831

来源：评论

学校读者我要写书评

暂无评论

The efect of ghost forces for a quasicontinuum method in three dimension

引用

science China mathematics 2013年第12期56卷 2571-2589页

作者： CUI Long MING PingBing LSEC Institute of Computational Mathematics and Scientific/Engineering ComputingAcademy of Mathematics and Systems ScienceChinese Academy of Sciences

We study the effect of ＂ghost forces＂ for a quasicontinuum method in three dimension with a planar interface. ＂Ghost forces＂ are the inconsistency of the quasicontinuum method across the interface between the atomistic region and the continuum region. Numerical results suggest that ＂ghost forces＂ may lead to a negilible error on the solution, while lead to a finite size error on the gradient of the solution. The error has a layer-like profile, and the interfacial layer width is of O（ε）. The error in certain component of the displacement gradient decays algebraically from O（1） to O（ε） away from the interface. A surrogate model is proposed and analyzed, which suggests the same scenario for the effect of ＂ghost forces＂. Our analysis is based on the explicit solution of the surrogate model.

关键词： quasicontinuum method atomistic-to-continuum ghost force

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：