<?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>0188-4611</journal-id>
<journal-title><![CDATA[Investigaciones geográficas]]></journal-title>
<abbrev-journal-title><![CDATA[Invest. Geog]]></abbrev-journal-title>
<issn>0188-4611</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Geografía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-46111998000300003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Elaboración de videomapas mediante la corrección fotogramétrica de imágenes de video en color: La región de La Montaña de Guerrero]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Blanco]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias Chalico]]></surname>
<given-names><![CDATA[Teresita]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geografía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de ciencias Programa de Aprovechamiento Integral de los Recursos Naturales]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>1998</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>1998</year>
</pub-date>
<numero>37</numero>
<fpage>21</fpage>
<lpage>35</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-46111998000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-46111998000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-46111998000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se aplicó un método fotogramétrico para corregir la posición geográfica de los pixeles de un conjunto de imágenes de video registradas con el eje de la cámara cercano a la vertical, Las distorsiones son las causadas por el relieve y por proyección central- Se generó un modelo digital del terreno con un pixel de 4 m, con el fin de determinar la corrección fotogramétrica. Las imágenes procesadas permitieron producir un videomosaico corregido, el cual incluye un área cercana a los 20 km². Los errores medios cuadráticos totales durante el procedimiento de resección fotogramétrica por imagen van de 6 a 25 m. Los resultados permitirán clasificar el mosaico para delimitar las unidades de uso del suelo y vegetación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[A photogrammetric method to correct the position of pixels coordinates on near vertical axis video imagery was applied. Distortions corrected with that method are caused by relief displacement and photographic projection and it is carried out by means of a photogrammetric resection procedure. A digital terrain model with a 4 m pixel-size was performed In order to determine the photogrammetric correction. Video imagery processed allowed us to produce a corrected videomosaic that include an area of almost 20 square kilometers. The total root mean square error in the photogrammetric resection procedure per image goes from 6 to 25 m. The results of processing these images will allow us to produce a map of land use/land cover units.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[corrección fotogramétrica]]></kwd>
<kwd lng="es"><![CDATA[videoimágenes en color]]></kwd>
<kwd lng="es"><![CDATA[SIG]]></kwd>
<kwd lng="es"><![CDATA[La Montaña de Guerrero]]></kwd>
<kwd lng="en"><![CDATA[color Video imagery]]></kwd>
<kwd lng="en"><![CDATA[photogrammetric correction]]></kwd>
<kwd lng="en"><![CDATA[GIS]]></kwd>
<kwd lng="en"><![CDATA[La Montaña de Guerrero]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="center"><font face="verdana" size="4"><b>Elaboraci&oacute;n de videomapas mediante la correcci&oacute;n fotogram&eacute;trica de im&aacute;genes de video en color: La regi&oacute;n de La Monta&ntilde;a de Guerrero</b></font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>Jorge L&oacute;pez Blanco* Teresita Arias Chalico**</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><i>* Instituto de Geograf&iacute;a, UNAM. Autor para correspondencia:</i> <a href="mailto:jilblanco@servidor.unam.mx">jilblanco@servidor.unam.mx</a></font></p>  	    <p align="justify"><font face="verdana" size="2"><i>** Programa de Aprovechamiento Integral de los Recursos Naturales (PAIR), Facultad de ciencias UNAM, 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: noviembre 7, 1997    <br> 	Aceptado en versi&oacute;n final: 5 de junio de 1998</font></p>  	    ]]></body>
<body><![CDATA[<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">Se aplic&oacute; un m&eacute;todo fotogram&eacute;trico para corregir la posici&oacute;n geogr&aacute;fica de los pixeles de un conjunto de im&aacute;genes de video registradas con el eje de la c&aacute;mara cercano a la vertical, Las distorsiones son las causadas por el relieve y por proyecci&oacute;n central&#45; Se gener&oacute; un modelo digital del terreno con un pixel de 4 m, con el fin de determinar la correcci&oacute;n fotogram&eacute;trica. Las im&aacute;genes procesadas permitieron producir un videomosaico corregido, el cual incluye un &aacute;rea cercana a los 20 km<sup>2</sup>. Los errores medios cuadr&aacute;ticos totales durante el procedimiento de resecci&oacute;n fotogram&eacute;trica por imagen van de 6 a 25 m. Los resultados permitir&aacute;n clasificar el mosaico para delimitar las unidades de uso del suelo y vegetaci&oacute;n.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Palabras clave:</b> correcci&oacute;n fotogram&eacute;trica, videoim&aacute;genes en color, SIG, La Monta&ntilde;a de Guerrero.</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">A photogrammetric method to correct the position of pixels coordinates on near vertical axis video imagery was applied. Distortions corrected with that method are caused by relief displacement and photographic projection and it is carried out by means of a photogrammetric resection procedure. A digital terrain model with a 4 m pixel&#45;size was performed In order to determine the photogrammetric correction. Video imagery processed allowed us to produce a corrected videomosaic that include an area of almost 20 square kilometers. The total root mean square error in the photogrammetric resection procedure per image goes from 6 to 25 m. The results of processing these images will allow us to produce a map of land use/land cover units.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Key words:</b> color Video imagery, photogrammetric correction, GIS, La Monta&ntilde;a de Guerrero.</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><a href="/pdf/igeo/n37/n37a3.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>  	    ]]></body>
<body><![CDATA[<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">ASP (1980), <i>Manual of Photogrammetry</i>, Fourth Edition, American Society of Photogrammetry, Falls Church, Va., EUA, 1056 pp.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4653010&pid=S0188-4611199800030000300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">Bargagli, A. (1991), <i>Screen digitizing geometric correction &amp;&nbsp;monoplotting for SPOT, LANDS AT and normal aerial photographs in the ILWIS environment</i>, internal ITC publication, Enschede, The Netherlands, 28 pp.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4653012&pid=S0188-4611199800030000300002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">Bargagli, A. (1991a), <i>Geometric aspects and DTM requirements related to feature extraction from SPOT images</i>, ITC MSc Thesis, Enschede, The Netherlands, 94 pp.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4653014&pid=S0188-4611199800030000300003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">Carabias, J., E. Provencio y C. Toledo (1994), <i>Manejo de recursos naturales y pobreza rural</i>, UNAM&#45;CFE, M&eacute;xico, 138 PP&#45;    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4653016&pid=S0188-4611199800030000300004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    ]]></body>
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