Mostrando ítems 3021-3040 de 7967

    • Interferometría digital multicuadro usando un único sistema de registro digital 

      Pedreros J., Pavez C., Castro M., Avaria G., Watkins F., Soto L.; Sepúlveda Adolfo [Facultad de Ciencias, Universidad Mayor, Chile] (Published in: 2016 IEEE International Conference on Automatica (ICA-ACCA), 19-21 Oct. 2016, 2016)
      In this work a multi-frame interferometric system based in digital image processing and digital interferometry is presented. Here, an experimental optical setup which integrates the virtues of the digital interferometry ...
    • A semi-automatic tool for the connectivity tracking of neuronal processes acquired using electron microscopy 

      Tapia J.C., Cardenas G., Guevara P.; Rodriguez, Juan Eduardo [Center of Human Movement Research, Universidad Mayor, Chile] (Public Library of Science, 2015)
      We describe an image processing tool for helping to organize, annotate and map neuronal circuitry. The tools use high-resolution images serially acquired via scanning electron microscopy (SEM). First, various image processing ...
    • Malware on mobile devices odds of infection based on running operating system version 

      Huidobro C.B., Esquivel M.P.; Casado Barragán, Claudio [Universidad Mayor, Chile] (Asian Pacific Organization for Cancer Prevention, 2016)
      The world of mobile devices which have the quality to stay connected to the web is going through a exponential growth, but in parallel with this event, appears the threats with the developing of an equal magnitude, which ...
    • Obfuscation procedure based in dead code insertion into crypter 

      Barría C., Cordero D., Cubillos C.; Osses, Robienson [Universidad Mayor, Chile] (IEEE, 2016)
      The threat that attacks cyberspace is known as malware. In order to infect the technologic devices that are attacked, malware needs to evade the different antivirus systems. To avoid detection, an obfuscation technique ...
    • Modification of the optical flow horn-schunck estimation incorporating exaustive search 

      Molina M.; Lazcano, Vanel [Universidad Mayor, Chile] (IEEE, 2016)
      Optical Flow is the pixels apparent movement pattern of two consecutives images. There are differents methods to estimate the optical flow: variational methods and exaustive methods. Exhaustive methods take a neighborhood ...
    • SGSI support throught malware's classification using a pattern analysis 

      Cubillos C.; Macias, Mauricio [Escuela de Ingeniería Civil en Computación e Informática, Universidad Mayor, Chile]; Barria, Cristián [Universidad Mayor, Chile]; Acuña, Alejandra [Vicerrectoría de Pregrado, Universidad Mayor, Chile] (IEEE, 2016)
      Nowadays, there are significant amounts of malware codes that are created every day. However, the majority of these samples (malware) are variations of other malware that have been already identified. Therefore, most of ...
    • Genotyping and Persistence of Candida albicans from Pregnant Women with Vulvovaginal Candidiasis 

      Tapia C.V., Hermosilla G., Fortes P., Bucarey S., Salinas H., Rodas P.I., Díaz M.C., Magne F.; Alburquenque, Claudio [Escuela de Tecnología Médica, Universidad Mayor, Chile] (Springer Netherlands, 2017)
      Objective To study Candida albicans genotypes using RAPD and their susceptibility to fluconazole in healthy pregnant women and in vulvovaginal candidiasis (VVC) patients after topical treatment with clotrimazole. Methods ...
    • Down's syndrome, anorectal malformation and Morgagni's hernia: Description of an unusual clinic case 

      Vega Duran R.J.; Vega Finsterbusch, R.J. [Universidad Mayor, Chile]; Turner. V. [Universidad Mayor, Chile] (Via Medica, 2017)
      Morgagni's hernia is a rare type of congenital diaphragmatic hernia that constitutes less than 5% of congenital diaphragmatic defects. It is moderately associated with congenital anomalies, while it is rarely associated ...
    • Real time optical flow estimation for images with large displacements 

      Lazcano, Vadel [Escuela de Ingenieria Electronica, Facultad de Ciencias, Universidad Mayor, Chile] (2016 IEEE International Conference on Automatica (ICA-ACCA), 2016)
      Optical flow is defined as the pattern of apparent motion of objects in a image sequence. Optical flow has many applications: control of automatic taking off and landing of an autonomous aircraft, video compression, noise ...
    • Matlab programmed method for the optical flow estimation based on the integral image 

      Molina, Matias A. [Escuela de Ingeniería Electrónica, Universidad Mayor, Chile]; Lazcano, Vanel G. [Escuela de Ingeniería Electrónica, Universidad Mayor, Chile] (IEEE, 2018)
      The Optical Flow computation is the estimation of the apparent displacement of the object on an image sequence (actual image and next image). There are different methods for Optical Flow estimation, standing out exhaustive ...
    • Obfuscation procedure based on the insertion of the dead code in the crypter by binary search 

      Cordero D., Cubillos C., Cid H.A.; Barría Huidobro, Cristian [Universidad Mayor, Chile]; Casado Barragán, Claudio [Universidad Mayor, Chile] (IEEE, 2018)
      What threatens the cyberspace is known as malware, which in order to infect the technological devices, it has to be capable of bypassing the antivirus motor. To avoid the antivirus detection, the malicious code requires ...
    • Implementation of an emitting LED circuit in a Visible Light communications positioning system 

      Aguirre D., Navarrete R., Soto I.; Gutiérrez-Lillo, Sebastián [Universidad Mayor, Chile] (2018)
      In this paper, two LED emitting circuits are implemented in a VLC positioning system, a regular Bias-Tee and a circuit proposed by Ghassemlooy, aiming to provide the system with portability and functionality. For this, an ...
    • Simultaneous optical flow and occlusion estimation for images with large displacements 

      Lazcano, Vanel [Universidad Mayor, Chile] (IEEE, 2017)
      In this paper we present a method for estimating occlusion of pixels in image sequences. The estimation of the occlusion layer is based on optical flow. In our proposal the optical flow is computed in an exhaustive way by ...
    • Evidence-based guidelines for the use of tracheostomy in critically ill patients 

      Raimondi N., Vial M.R., Calleja J., Quintero A., Celis E., Pacheco C., Ugarte S., Añón J.M., Hernández G., Vidal E., Chiappero G., Ríos F., Castilleja F., Matos A., Rodriguez E., Antoniazzi P., Teles J.M., Dueñas C., Sinclair J., Martínez L., von der Osten I., Vergara J., Jiménez E., Arroyo M., Rodríguez C., Torres J., Fernandez-Bussy S., Nates J.L.; Cortés, Alban [Clínica Mayor Temuco, Universidad Mayor, Chile] (Elsevier, 2017)
      Objectives: To provide evidence-based guidelines for tracheostomy in critically ill adult patients and identify areas needing further research. Methods: A taskforce composed of representatives of 10 member countries of the ...
    • Oral literacy demand in the pediatric dental clinic: a pilot study 

      Hajishengallis E., Cole A.; Benadof, Dafna [Escuela Salud Pública, Universidad Mayor, Chile]; Vidal, Carolina [Escuela Salud Pública, Universidad Mayor, Chile] (Wiley, 2017)
      Background. The parent's ability to obtain, process, and understand important oral health information (i.e., their oral health literacy) is directly related to their child's oral health status. Aim. To assess the relationship ...
    • De lo popular a lo masivo: La Revolución mexicana en el cine de la época de oro (1936-1959) 

      Silva Escobar, Juan Pablo [Centro de Investigaciones en Artes y Humanidades (CIAH), Universidad Mayor, Chile] (Universidad de la Frontera, 2018)
      En este texto planteamos que las representaciones de la revolución mexicana en el cine de la época de oro muestran un conjunto de racionalidades y discursos que legitiman una visión ordenada e higienizada de la revolución. ...
    • MLN64 induces mitochondrial dysfunction associated with increased mitochondrial cholesterol content 

      Balboa E., Castro J., Pinochet M.-J., Matías N., José Sáez P., Martínez A., Álvarez A.R., Garcia-Ruiz C., Fernandez-Checa J.C., Zanlungo S.; Cancino, Gonzalo I. [Centro de Biología Integrativa, Universidad Mayor, Chile] (Elsevier BV, 2017)
      MLN64 is a late endosomal cholesterol-binding membrane protein that has been implicated in cholesterol transport from endosomal membranes to the plasma membrane and/or mitochondria, in toxin-induced resistance, and in ...
    • Axonal degeneration induced by glutamate excitotoxicity is mediated by necroptosis 

      Moya-Alvarado G., Bronfman F.C.; Hernández, Diego E. [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile]; Salvadores, Natalia A. [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile]; Catalán, Romina J. [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile]; Court, Felipe A. [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile] (Company of Biologists Ltd, 2018)
      Neuronal excitotoxicity induced by glutamate leads to cell death and functional impairment in a variety of central nervous system pathologies. Glutamate-mediated excitotoxicity triggers neuronal apoptosis in the cell soma ...
    • Axonal degeneration during aging and its functional role in neurodegenerative disorders 

      Salvadores, Natalia [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile]; Sanhueza, Mario [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile]; Manque, Patricio [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile]; Court, Felipe A. [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile] (Frontiers Media S.A., 2017)
      Aging constitutes the main risk factor for the development of neurodegenerative diseases. This represents a major health issue worldwide that is only expected to escalate due to the ever-increasing life expectancy of the ...
    • Herpes simplex virus type 1 neuronal infection perturbs golgi apparatus integrity through activation of src tyrosine kinase and Dyn-2 GTPase 

      Martin C., Leyton L., Hott M., Arancibia Y., Spichiger C., McNiven M.A., Concha M.I., Burgos P.V., Otth C.; Court, Felipe A. [Centro de Biología Integrativa, Facultad de Ciencias, Universidad Mayor, Chile] (Frontiers Media S.A., 2017)
      Herpes simplex virus type 1 (HSV-1) is a ubiquitous pathogen that establishes a latent persistent neuronal infection in humans. The pathogenic effects of repeated viral reactivation in infected neurons are still unknown. ...


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