<?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>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2011000400013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Obtención de los parámetros ópticos de la piel usando algoritmos genéticos y MCML]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales Cruzado]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez y Montiel]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto Nacional de Astrofísica Óptica y Electrónica  ]]></institution>
<addr-line><![CDATA[Puebla Pue]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2011</year>
</pub-date>
<volume>57</volume>
<numero>4</numero>
<fpage>375</fpage>
<lpage>381</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2011000400013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2011000400013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2011000400013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[En este trabajo presentamos los resultados obtenidos mediante un programa desarrollado para obtener los parámetros ópticos de la piel: coeficiente de absorción, coeficiente de esparcimiento y factor de anisotropía a partir de los valores medidos experimentalmente (la transmitancia total, transmitancia colimada y reflectancia difusa) de una muestra de tejido biológico. El programa basa su funcionamiento en algoritmos genéticos y en el método Monte Carlo para multicapas, que es del dominio público llamado Monte Cario Multi-Layered (MCML). Finalmente, comparamos nuestros resultados con el modelo simplificado de Kubelka-Munk y con algunos resultados publicados en la literatura. Además, discutimos su importancia dentro de las aplicaciones médicas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[In this work we present the results obtained by means of a program developed to calculate the optical parameters of the skin: the absorption coefficient, the scattering coefficient and the scattering anisotropy factor starting from value experimentally measured (the total transmittance, the collimated transmittance and the diffuse reflectance) of a sample of biological tissue. The program bases its operation on genetic algorithms and in the method Monte Carlo Multi-Layered (MCML), that it is of the public domain. Finally, we compare our results with the simplified Kubelka-Munk's model and with some results published in the literature. Also, we discuss its importance inside the medical applications.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Monte Carlo]]></kwd>
<kwd lng="es"><![CDATA[tejido biológico]]></kwd>
<kwd lng="es"><![CDATA[algoritmo genético]]></kwd>
<kwd lng="en"><![CDATA[Monte Carlo]]></kwd>
<kwd lng="en"><![CDATA[biological tissue]]></kwd>
<kwd lng="en"><![CDATA[genetic algorithm]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="justify"><font face="verdana" size="4">Investigaci&oacute;n</font></p> 	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="center"><font face="verdana" size="4"><b>Obtenci&oacute;n de los par&aacute;metros &oacute;pticos de la piel usando algoritmos gen&eacute;ticos y MCML</b></font></p> 	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="center"><font face="verdana" size="2"><b>B. Morales Cruzado y S. V&aacute;zquez y Montiel</b></font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><i>Instituto Nacional de Astrof&iacute;sica &Oacute;ptica y Electr&oacute;nica, Puebla, Pue. 72000 M&eacute;xico.</i></font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2">Recibido el 17 de mayo de 2011    ]]></body>
<body><![CDATA[<br>     Aceptado el 8 de julio de 2011</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p> 	    <p align="justify"><font face="verdana" size="2">En este trabajo presentamos los resultados obtenidos mediante un programa desarrollado para obtener los par&aacute;metros &oacute;pticos de la piel: coeficiente de absorci&oacute;n, coeficiente de esparcimiento y factor de anisotrop&iacute;a a partir de los valores medidos experimentalmente (la transmitancia total, transmitancia colimada y reflectancia difusa) de una muestra de tejido biol&oacute;gico. El programa basa su funcionamiento en algoritmos gen&eacute;ticos y en el m&eacute;todo Monte Carlo para multicapas, que es del dominio p&uacute;blico llamado <i>Monte Cario Multi&#150;Layered</i> (MCML). Finalmente, comparamos nuestros resultados con el modelo simplificado de Kubelka&#150;Munk y con algunos resultados publicados en la literatura. Adem&aacute;s, discutimos su importancia dentro de las aplicaciones m&eacute;dicas.</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Descriptores:</b> Monte Carlo; tejido biol&oacute;gico; algoritmo gen&eacute;tico.</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p> 	    <p align="justify"><font face="verdana" size="2">In this work we present the results obtained by means of a program developed to calculate the optical parameters of the skin: the absorption coefficient, the scattering coefficient and the scattering anisotropy factor starting from value experimentally measured (the total transmittance, the collimated transmittance and the diffuse reflectance) of a sample of biological tissue. The program bases its operation on genetic algorithms and in the method <i>Monte Carlo Multi&#150;Layered</i> (MCML), that it is of the public domain. Finally, we compare our results with the simplified Kubelka&#150;Munk's model and with some results published in the literature. Also, we discuss its importance inside the medical applications.</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Monte Carlo; biological tissue; genetic algorithm.</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">PACS: 87.64.Cc; 87.15.ak</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v57n4/v57n4a13.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">1. W.F. Cheong, S.A. Prahl y A.J. Welch, <i>IEEE J. of Quan. 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