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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Dear all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am computing different DTI maps from an Image with itk::DiffusionTensor3D pixel type. If I get MD, Trace, First Eigenvalue and other maps, I get a correct map, but If I compute the FA map, I get high values (0.6) in the air part of the image (around the brain). I mean, even the brain can be distinguished from the air, there are values in the air. Is this normal? Have this happened to anyone before?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks in advance.<o:p></o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal>Alba<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="60%" style='width:60.0%;border-collapse:collapse'><tr><td width=260 valign=top style='width:195.0pt;padding:3.75pt 0cm 0cm 3.75pt'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%'><tr><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif"'>Alba Garin Muga</span></b><span style='font-size:12.0pt'><o:p></o:p></span></p></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif"'>Computer Science PhD Student</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif"'>Applied Mechanics Department</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='margin-top:6.0pt;mso-margin-bottom-alt:auto'><span lang=ES style='font-size:8.0pt;font-family:"Tahoma","sans-serif"'>Paseo Manuel Lardizabal, 15<br>20018 Donostia-San Sebastian. </span><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif"'>Spain<br>Tel. +34 943 212 800 (Ext. 2111)<br>Fax: +34 943 213 076<br>Web: </span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><a href="http://www.ceit.es/"><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:blue'>www.ceit.es</span></a></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></td></tr></table></td><td width=659 valign=top style='width:494.25pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif"'><img border=0 width=227 height=120 id="Picture_x0020_1" src="cid:image001.gif@01CE159B.37D3E1B0" alt="http://intranet.ceit.es/PlantillasCEIT/ImagenCorporativa/Firmas/firma_ceit.gif"></span><span style='font-size:12.0pt'><o:p></o:p></span></p></td></tr><tr><td colspan=2 valign=top style='padding:3.75pt 0cm 0cm 3.75pt'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%'><tr><td width="4%" valign=top style='width:4.0%;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><img border=0 width=31 height=30 id="Picture_x0020_2" src="cid:image002.jpg@01CE159B.37D3E1B0" alt=Verde><span style='font-size:12.0pt'><o:p></o:p></span></p></td><td width="96%" style='width:96.0%;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><span lang=ES style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#009900'>Antes de imprimir este e-mail piense bien si es necesario hacerlo. </span><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#009900'>El medioambiente es cosa de todos.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#009900'>Before printing this e-mail ask yourself if you really need a hard copy. We are all responsible for the environment.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#009900'>E-mail hau inprimatu baino lehen</span><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#009900'> egiaztatu inprimatzeko beharra. </span><span lang=ES style='font-size:8.0pt;font-family:"Tahoma","sans-serif";color:#009900'>Ingurumena guztion ardura da</span><span style='font-size:12.0pt'><o:p></o:p></span></p></td></tr></table></td></tr></table><p class=MsoNormal><span lang=ES><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>