Mostrando ítems 2301-2320 de 7087

    • 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 ...
    • Does the presence of primary circulating prostate cells imply the presence of agressive prostate cancer with early biochemical failure: A comparison with the Walz Nomogram 

      Murray N.P., Reyes E., Fuentealba C., Jacob O.; Orellana, Sebastián [Facultad de Ciencias, Universidad Mayor, Chile] (Asian Pacific Organization for Cancer Prevention, 2016)
      Background: To determine the utility of primary circulating prostate cells (CPC) for predicting early biochemical failure after radical prostatectomy for prostate cancer and compare the results with the Walz nomogram. ...
    • 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 ...
    • El control de convencionalidad: ¿Un acto racional o irracional? 

      Mesa Latorre, Álvaro [Escuela de Derecho, Facultad de Humanidades, Universidad Mayor, Chile] (Universidad de Talca, 2018)
      El presente trabajo, realiza una exploración del concepto control de convencionalidad y su ejercicio. Dicho examen se esculpe desde la perspectiva de la razón (entendida y enmarcada, como facultad, capacidad, fundamento). ...
    • Histological comparison of an allograft, a xenograft and alloplastic graft as bone substitute materials 

      Nappe, C.E. [Universidad Mayor, Chile]; Rezuc, A.B. [Universidad Mayor, Chile]; Montecinos, A. [Universidad Mayor, Chile]; Donoso, F.A. [Universidad Mayor, Chile]; Vergara, A.J. [Universidad Mayor, Chile]; Martínez, B. [Universidad Mayor, Chile] (Ariesdue srl, 2016)
      Aim An allograft, a xenograft and an alloplastic graft, associated to sinus lift or ridge preservation procedures were histologically studied to evaluate their characteristics and to obtain the percentages of bone and ...
    • Anatomía radiológica de la base de cráneo y los nervios craneales parte 1: Generalidades y base de cráneo 

      Miranda-Merchak A., Kuschel C.; Miranda, Maximiliano [Universidad Mayor, Chile]; Fuentes, Anibal [Universidad Mayor, Chile] (Sociedad Chilena de Radiología, 2018)
      La anatomía de la base del cráneo es compleja. Numerosas estructuras neurovasculares vitales pasan a través de múltiples canales y formámenes de la base del cráneo. Con el avance de la tomografía computarizada (TC) y la ...
    • 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 ...
    • Jointly optical flow and occlusion estimation for images with large displacements 

      Garrido L., Ballester C.; Lazcano, Vadel [Universidad Mayor, Chile] (2018)
      This paper deals with motion estimation of objects in a video sequence. This problem is known as optical flow estimation. Traditional models to estimate it fail in presence of occlusions and non-uniform illumination. To ...
    • 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 ...
    • New negations on the type-2 membership degrees 

      Torres-Blanc C., Cubillo S.; Hernández-Varela, Pablo [Núcleo Matemáticas, Física & Estadística, Facultad de Estudios Interdisciplinarios, Universidad Mayor, Chile] (IEEE, 2018)
      Type-2 fuzzy sets (T2FSs) were introduced by L. A. Zadeh in 1975 as an extension of type-1 fuzzy sets (T1FSs). In this extension, the degree to which an element belongs to a set is just a label of the linguistic variable ...
    • On the developmental self-regulatory dynamics and evolution of individuated multicellular organisms 

      Veloso, Felipe A. [Centro de Genómica y Bioinformatica, Facultad de Ciencias, Universidad Mayor, Chile] (Academic Press Inc., 2017)
      Changes in gene expression are thought to regulate the cell differentiation process intrinsically through complex epigenetic mechanisms. In fundamental terms, however, this assumed regulation refers only to the intricate ...
    • Sister Mary Joseph’s nodule: From the history to the images. A case-based literature review [Nódulo de la hermana María José: De la historia a las imágenes. Una revisión de la literatura basada en casos] 

      Rojas A.A., Cortés C.; Maldonado Schoijet, Ignacio [Universidad Mayor, Chile]; Varela, Cristian U. [Universidad Mayor, Chile] (Sociedad Argentina de Gastroenterologia, 2018)
      Sister Mary Joseph’s nodule refers to a palpable nodule bulg­ing into the umbilicus as result of a malignant cancer in the abdomen or pelvis. It is associated with multiple peri­toneal metastases and usually indicates an ...
    • Percepción de los científicos y periodistas sobre la divulgación de la ciencia y la tecnología en Chile 

      Broitman Rojas C., Camiñas Hernández A.; Tabja Salgado, Jorge [Universidad Mayor, Chile] (Universidad de la Laguna, 2017)
      Introduction: This article shows the perception of Chilean scientists and journalists in relation to the dissemination of science and technology issues in the media. Methodology: As a layout, it was held a query addressed ...
    • Sujeto activo del delito de omisión de auxilio en accidentes de tránsito 

      Escobar-Veas, Javier [Universidad Mayor, Chile] (Universidad de Talca, 2018)
      El delito de omisión de auxilio en accidentes de tránsito, establecido en el artículo 195 de la Ley N° 18.290, plantea diversos problemas dogmáticos, siendo uno de ellos determinar los específicos elementos que debe reunir ...
    • Presupuestos metodológicos de la teoría iusnaturalista de John Finnis 

      Soto, Carlos Isler [Escuela de Derecho, Universidad Mayor, Chile] (Universidad de Talca, 2018)
      La obra de John Finnis es, probablemente, la defensa más vigorosa de la teoría del derecho natural en filosofía jurídica contemporánea. Su filosofía jurídica comienza con una reflexión metodológica relativa al modo de ...
    • 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 ...
    • Draft Genome Sequence of Salmonella enterica Serovar Typhi Strain STH2370 

      Valenzuela C., Mora G.C., Álvarez S., Contreras I., Santiviago C.A.; Ugalde, Juan A. [Centro de Genómica y Bioinformática, Facultad de Ciencias, Universidad Mayor, Chile] (American Society for Microbiology, 2014)
      We report the draft genome sequence of Salmonella enterica serovar Typhi strain STH2370, isolated from a typhoid fever patient in Santiago, Chile. This clinical isolate has been used as the reference wild-type strain in ...
    • Colibacillosis in a New Zealand white rabbit (Oryctolagus cuniculus) 

      Valderrama, K.; Saravia, Melissa [Facultad de Ciencias, Universidad Mayor, Chile]; Segovia, Cristopher [Programa Integrativo de Genómica, Universidad Mayor, Chile]; Santander, Javier [Facultad de Ciencias, Universidad Mayor, Chile] (Journal of Infection in Developing Countries, 2017)
      Colibacillosis is a disease caused by Escherichia coli in a variety of animals, including humans. Rabbit colibacillosis is infrequent or with an incipient description in Chile. Here, we describe an E. coli case in a white ...
    • La presencia del profesor y su influencia para una educación significativa: hacia un enfoque mindfulness en educación 

      Corthorn C.; Brito-Pastrana, Rodrigo [Facultad de Ciencias, Universidad Mayor. Chile] (Universidad Austral de Chile. Facultad de Filosofía y Humanidades, 2018)
      Este artículo realiza una revisión teórica de las últimas investigaciones en relación a mindfulness en educación, especialmente relacionada con los aportes de esta práctica para el cuidado docente y para el cultivo de una ...
    • Factores asociados a inactividad física en chile: resultados de la encuesta nacional de salud 2009-2010 

      Díaz-Martínez X., Garrido A., Martínez M.A., Leiva A.M., Álvarez C., Ramírez-Campillo R., Cristi-Montero C., Rodríguez F., Salas-Bravo C., Durán E., Labraña A.M., Valdivia-Moral P., Zagalaz M.L., Aguilar-Farías N.; Celis-Morales, Carlos A. [Centro de Investigación en Fisiología Integrada y Salud, Facultad de Ciencias, Universidad Mayor, Chile] (Sociedad Medica de Santiago, 2017)
      Background: Physical inactivity is an important risk factor for cardiovascular diseases. Aim: To identify factors associated with physical inactivity in Chilean adults. Material and Methods: Participants from the Chilean ...