Results 51 to 60 of about 187 (120)

Optimización de la Segmentación Local de Sauvola Aplicada a la Detección de Defectos Superficiales en Escenas con Iluminación No Homogénea

TecnoLógicas, 2011
The presence of non-homogeneous illumination in real scenes images is an actual problem that difficult the correct segmentation of these. This paper presents a methodology for optimizing Sauvola local segmentation for the detection of superficial defects
Jeyson Molina-Cortés, Alejandro Restrepo-Martínez, John W. Branch-Bedoya   +2 more
doaj  

Effects of human mobility on the spread of Dengue in the region of Caldas, Colombia. [PDF]

PLoS Negl Trop Dis, 2023
Ospina-Aguirre C, Soriano-Paños D, Olivar-Tost G, Galindo-González CC, Gómez-Gardeñes J, Osorio G.   +5 more
europepmc   +1 more source

Pattern Recognition by Dinamic Feature Analysis Based on PCA

TecnoLógicas, 2009
Usually, in pattern recognition problems we represent the observations by mean of measures on appropriate variables of data set, these measures can be categorized as Static and Dynamic Features.
Juliana Valencia-Aguirre, Andrés M. Álvarez-Mesa, Genaro Daza-Santacoloma, Germán Castellanos-Domínguez   +3 more
doaj  

Valence State Tuning of Gold Nanoparticles in the Dewetting Process: An X-ray Photoelectron Spectroscopy Study. [PDF]

ACS Omega, 2022
Lanza G, Martinez Jimenez MJ, Alvarez F, Perez-Taborda JA, Avila A.   +4 more
europepmc   +1 more source

Xylose Metabolization by a Saccharomyces cerevisiae Strain Isolated in Colombia. [PDF]

Indian J Microbiol, 2023
Lagos MAP, Caviativa JAC, Pinzón DCT, Roa DHR, Basso TO, Lozano MEV.   +5 more
europepmc   +1 more source

Development of a Photovoltaic Array Emulator System in Real Time Considering Climatic Conditions Variations

TecnoLógicas, 2013
This paper presents the development of an emulator that has the ability to replicate, in real time, the behavior of photovoltaic panels (PV) arrays considering different conditions of irradiation and temperature for each one.
Camilo E. Ardila-Franco, John A. Soto-Gómez, Eliana I. Arango-Zuluaga, Carlos A. Ramos-Paja, Sergio I. Serna-Garcés   +4 more
doaj  

PortAqua: a low-cost, compact water quality meter for science communication. [PDF]

Environ Monit Assess, 2023
Pérez-López CA, Pantoja W, Pérez-Taborda JA, Ávila A.   +3 more
europepmc   +1 more source

Platform for Modeling and Simulation of Photovoltaic Generation Systems

TecnoLógicas, 2013
A platform for modeling and simulation using Matlab is presented. The platform has four models of photovoltaic panels. It identifies the parameters of each one, for a given solar panel, based on experimental data of voltage, current and environmental ...
Anny A. Arroyave-Berrio, Manuel M. Goez-Mora, Eliana I. Arango-Zuluaga, Carlos A. Ramos-Paja, Sergio I. Serna-Garcés   +4 more
doaj  

Highly Durable Nanoporous Cu_2-xS Films for Efficient Hydrogen Evolution Electrocatalysis under Mild pH Conditions. [PDF]

ACS Catal, 2023
Fernández-Climent R, Redondo J, García-Tecedor M, Spadaro MC, Li J, Chartrand D, Schiller F, Pazos J, Hurtado MF, de la Peña O'Shea V, Kornienko N, Arbiol J, Barja S, Mesa CA, Giménez S.   +14 more
europepmc   +1 more source

Comparación de guantes de látex de uso clínico de diferentes marcas comerciales mediante microscopía electrónica de barrido

Avances en Biomedicina, 2015
Resumen (español) El uso de guantes de látex representa la primera barrera contra patógenos por parte del personal de ciencias de la salud, sin embargo, es cotidiano escuchar quejas sobre la calidad de los mismos, ya que en algunos casos tienden a ...
Gilberto González, Ismael Peraza, Valeria Vicuña, Gelin Mejías   +3 more
doaj