Browsing by Title Artículos de revistas

Now showing items 61-80 of 7545

    • A comparative study of thermal face recognition methods in unconstrained environments 
      Hermosilla, Gabriel; Ruiz del Solar, Javier; Verschae, Rodrigo; Correa, Mauricio (Elsevier, 2012-07)
      The recognition of faces in unconstrained environments is a challenging problem. The aim of this work is to carry out a comparative study of face recognition methods working in the thermal spectrum (8-12 mu m) that are ...
    • A comparison between ACO and Dijkstra algorithms for optimal ore concentrate pipeline routing 
      Baeza, Daniel; Ihle Bascuñán, Christian; Ortiz Cabrera, Julián (Elsevier, 2017)
      One of the important aspects pertaining the mining industry is the use of territory. This is especially important when part of the operations are meant to cross regions outside the boundaries of mines or processing plants. ...
    • A comparison of characteristic parameters of mining related and tectonic seismic aftershock sequences 
      Estay, Rodrigo; Vallejos Massa, Javier; Pavez, Claudia; Brönner, Marco (Elsevier, 2020)
      The temporal decay pattern of seismicity following rock bursts and large magnitude events is studied for aftershock sequences in several mines in Ontario, Canada. The decay phenomenon is described by the so – called Modified ...
    • A comparison of density structures of a star forming and a non-star-forming globule - DCld303.8-14.2 and ... 
      Kainulainen, J.; Lehtinen, K.; Väisänen, P.; Bronfman Aguiló, Leonardo; Knude, J. (EDP SCIENCES S A, 2007-03)
      We present a study of radial density structure of the star forming globule, DCld303.8-14.2 (DC303), and a non-star forming globule, Thumbprint Nebula (TPN), using near-infrared data taken with the ISAAC instrument on the ...
    • A Comparison of Random Field Models Beyond Bivariate Distributions 
      Emery, Xavier; Ortiz Cabrera, Julián (SPRINGER HEIDELBERG, 2011-02)
      In order to determine to what extent a spatial random field can be characterized by its low-order distributions, we consider four models (specifically, random spatial tessellations) with exactly the same univariate and ...
    • A comparison of search strategies to design the cokriging neighborhood for predicting coregionalized variables 
      Madani, Nasser; Emery, Xavier (Springer New York LLC, 2019)
      Cokriging allows predicting coregionalized variables from sampling information, by considering their spatial joint dependence structure. When secondary covariates are available exhaustively, solving the cokriging equations ...
    • A comprehensive analysis of the Illapel 2015 Mw 8.3 Earthquake from GPS and InSAR data 
      Klein, E.; Vigny, C.; Fleitout, L.; Grandin, R.; Jolivet, R.; Rivera Berríos, Efraín; Metois, M. (Elsevier, 2017-07)
      The September 16, 2015 Mw8.3 Illapel Earthquake occurred on a locked segment of the South American subduction in Chile. This segment ruptured during comparable size earthquakes in the past, in 1880 and 1943, suggesting a ...
    • A comprehensive study of glucose transfer in the human small intestine using an in vitro intestinal digestion ... 
      Gim-Krumm, Minghai; Donoso, Pablo; Zuñiga, Rommy; Estay, Humberto; Troncoso, Elizabeth (Elsevier B.V., 2018)
      Human digestion is a complex process that involves several phenomena: chemical and enzymatic reactions, absorption, hydrodynamic processes, and mass transfer. The most accurate way to determine the bioavailability of ...
    • A continuous framework for open pit mine planning 
      Álvarez Daziano, Felipe; Amaya Arriagada, Jorge; Griewank, Andreas; Strogies, Nikolai (Springer-Verlag, 2011)
      This paper proposes a new mathematical framework for the open pit mine planning problem, based on continuous functional analysis. The main challenge for engineers is to determine a sequence of nested profiles maximizing ...
    • A Continuum from Iron Oxide Copper-Gold to Iron Oxide-Apatite Deposits: Evidence from Fe and O Stable ... 
      Rodríguez Mustafa, María A.; Simon, Adam C.; Real Contreras, Irene del; Thompson, John F.H.; Bilenker, Laura D.; Barra Pantoja, Fernando; Bindeman, Ilya (Society of Economic Geologists (SEG), 2020)
      Iron oxide copper-gold (IOCG) and iron oxide-apatite (IOA) deposits are major sources of Fe, Cu, and Au. Magnetite is the modally dominant and commodity mineral in IOA deposits, whereas magnetite and hematite are predominant ...
    • A Control Algorithm Based on the Conservative Power Theory for Cooperative Sharing of Imbalances in Four-Wire ... 
      Burgos-Mellado, Claudio; Cardenas, Roberto; Saez, Doris; Costabeber, Alessandro; Sumner, Mark (Institute of Electrical and Electronics Engineers Inc., 2019)
      © 1986-2012 IEEE. A cooperative control scheme based on the conservative power theory (CPT) is proposed, which can share imbalances in three-phase four-wire droop-controlled systems. By utilizing the CPT, the balanced, ...
    • A control-function approach to correct for endogeneity in discrete choice models estimated on SP-off-RP ... 
      Guevara, C. Angelo; Hess, Stephane (Elsevier Ltd, 2019)
      It is common practice to build Stated Preference (SP) attributes and alternatives from observed Revealed Preference (RP) choices with a view to increasing realism. While many surveys pivot all alternatives around an observed ...
    • A correction for the guidelines for validation of qualitative real-time PCR methods from Broeders et al. 2014 
      Araneda, Cristián; Larraín, María Angélica (Elsevier Ltd, 2019)
    • A critical experimental study of the classical tactile threshold theory 
      Pérez Flores, Claudio; Donoso, José R.; Medina, Leonel (BioMed Central, 2010)
      Background: The tactile sense is being used in a variety of applications involving tactile human-machine interfaces. In a significant number of publications the classical threshold concept plays a central role in modelling ...
    • A cryogenic solid state LO source at 1.9THz 
      Reyes Guzmán, Nicolás; Güsten, Rolf; Graf, Urs; Risacher, Christophe; Ricken, Oliver (ISSTT, 2017)
      The Low Frequency Array instrument at SOFIA is a heterodyne array designed to observe in the complete range between 1.9 and 2.5 THz. It is a 14 pixel instrument, working in a dual polarization configuration. To provide ...
    • A data-driven approach to violin making 
      González, Sebastián; Salvi, Davide; Baeza Martínez, Daniel; Antonacci, Fabio; Sarti, Augusto (Nature, 2021)
      Of all the characteristics of a violin, those that concern its shape are probably the most important ones, as the violin maker has complete control over them. Contemporary violin making, however, is still based more on ...
    • A data-driven graph schema 
      González, Larry; Hogan, Aidan (CEUR-WS, 2018)
      All rights reserved.In this paper, we summarise our results on Modelling Dynamics in Semantic Web Knowledge Graphs published at WWW 2018 where we proposed a novel data-driven schema for graphs and apply it for the use-case ...
    • A day-ahead energy market simulation framework for assessing the impact of decentralized generators on ... 
      Palma Behnke, Rodrigo; Jiménez Estévez, Guillermo Andrés; Vargas Díaz, Luis; Handschin, Edmund; Uphaus, Frank; Hauptmeier, Erik (Elsevier, 2012)
      The world wide expected high penetration levels of distributed generation technologies (DG) will modify the operation paradigm of power systems. In this context, this work presents a day-ahead simulation framework to ...
    • A Decade of Multiwavelength Observations of the TeV Blazar 1ES 1215+303: Extreme Shift of the Synchrotron ... 
      Valverde, Janeth; Horan, Deirdre; Bernard, Denis; Fegan, Stephen; Abeysekara, A. U.; Archer, A.; Benbow, W.; Bird, R.; Brill, A.; Brose, R.; Buchovecky, M.; Buckley, J. H.; Christiansen, J. L.; Cui, W.; Falcone, A.; Feng, Q.; Finley, J. P.; Fortson, L.; Furniss, A.; Gent, A.; Gillanders, G. H.; Giuri, C.; Gueta, O.; Hanna, D.; Hassan, T.; Hervet, O.; Holder, J.; Hughes, G.; Humensky, T. B.; Kaaret, P.; Kelley Hoskins, N.; Kertzman, M.; Kieda, D.; Krause, M.; Krennrich, F.; Lang, M. J.; Maier, G.; Moriarty, P.; Mukherjee, R.; Nieto, D.; Nievas Rosillo, M.; O'Brien, S.; Ong, R. A.; Otte, A. N.; Park, N.; Petrashyk, A.; Pfrang, K.; Pichel, A.; Pohl, M.; Prado, R. R.; Pueschel, E.; Quinn, J.; Ragan, K.; Reynolds, P. T.; Ribeiro, D.; Richards, G. T.; Roache, E.; Sadeh, I.; Santander, M.; Scott, S. S.; Sembroski, G. H.; Shahinyan, K.; Shang, R.; Vassiliev, V. V.; Weinstein, A.; Wells, R. M.; Wilcox, P.; Wilhelm, A.; Williams, D. A.; Williamson, T. J; Noto, Giuliana; Edwards, P. G.; Piner, B. G.; Ramazani, V. Fallah; Hovatta, T.; Jormanainen, J.; Lindfors, E.; Nilsson, K.; Takalo, L.; Kovalev, Y. Y.; Lister, M. L.; Pushkarev, A. B.; Savolainen, T.; Kiehlmann, S.; Max-Moerbeck, W.; Readhead, A. C. S.; Lahteenmaki, A.; Tornikoski, M. (IOP, 2020)
      Blazars are known for their variability on a wide range of timescales at all wavelengths. Most studies of TeV gamma-ray blazars focus on short timescales, especially during flares. With a decade of observations from the ...
    • A decade of MWC 758 disk images: where are the spiral arm driving planets? 
      Ren, Bin; Dong, Ruobing; Esposito, Thomas M.; Pueyo, Laurent; Debes, John H.; Poteet, Charles A.; Choquet, Elodie; Benisty, Myriam; Chiang, Eugene; Grady, Carol A.; Hines, Dean C.; Schneider, Glenn; Soummer, Remi (IOP Publishing Ltd, 2018)
      Large-scale spiral arms have been revealed in scattered light images of a few protoplanetary disks. Theoretical models suggest that such arms may be driven by and corotate with giant planets, which has called for remarkable ...