<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-5546</journal-id>
<journal-title><![CDATA[Computación y Sistemas]]></journal-title>
<abbrev-journal-title><![CDATA[Comp. y Sist.]]></abbrev-journal-title>
<issn>1405-5546</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Centro de Investigación en Computación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-55462020000100105</article-id>
<article-id pub-id-type="doi">10.13053/cys-24-1-3187</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Mejora eficiente de la luminosidad en imágenes del cerebro humano utilizando redes neuronales pulso-acopladas]]></article-title>
<article-title xml:lang="en"><![CDATA[Efficient Luminosity Enhancement in Human Brain Images using Pulse-Coupled Neural Networks]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar Domínguez]]></surname>
<given-names><![CDATA[Kevin S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía Lavalle]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sossa]]></surname>
<given-names><![CDATA[Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Tecnológico Nacional de México  ]]></institution>
<addr-line><![CDATA[Cuernavaca ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Investigación en Computación ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico y de Estudios Superiores de Monterrey  ]]></institution>
<addr-line><![CDATA[Zapopan ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<fpage>105</fpage>
<lpage>120</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-55462020000100105&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-55462020000100105&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-55462020000100105&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las imágenes digitales son ampliamente utilizadas en el área de medicina, pero éstas pueden ser degradadas por diversos factores. Las imágenes degradadas en su luminosidad generan un problema para su correcto análisis, ya que tienen un rango dinámico corto y bajo contraste. La necesidad de obtener imágenes de buena calidad y la tendencia del aumento de la resolución de las imágenes, exigen nuevas técnicas para resolver este problema en menor tiempo, por eso es necesario buscar paradigmas que puedan aprovechar el cómputo en paralelo como los son las Redes Neuronales Artificiales Pulso-Acopladas. En este trabajo se propone e implementan dos métodos basados en el Modelo de Intersección Cortical para mejorar la luminosidad en imágenes médicas del cerebro humano. La experimentación realizada muestra que los métodos propuestos son altamente competitivos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Digital images are widely used in the medicine area but these could be degraded by several factors. The images affected in its luminosity generate a problem for its correct analysis, since they have a short dynamic range and low contrast. The need to obtain good quality images and the tendency to increase the resolution of images, require new techniques to solve this problem in less time, that's why there is a need to looking for paradigms that would can take advantage of parallel computing such as Pulsed-Coupled Artificial Neural Networks. In this work, two methods based on the Intersection Cortical Model are proposed and implemented to enhance the luminosity in medical human brain image. Experiments shown that the proposed models are highly competitive.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Mejoramiento de imágenes médicas]]></kwd>
<kwd lng="es"><![CDATA[redes neuronales artificiales]]></kwd>
<kwd lng="es"><![CDATA[modelo de intersección cortical]]></kwd>
<kwd lng="es"><![CDATA[redes neuronales pulso-acopladas]]></kwd>
<kwd lng="en"><![CDATA[Medical image enhancement]]></kwd>
<kwd lng="en"><![CDATA[artificial neural networks]]></kwd>
<kwd lng="en"><![CDATA[intersection cortical model]]></kwd>
<kwd lng="en"><![CDATA[pulsed-coupled neural networks]]></kwd>
</kwd-group>
</article-meta>
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