<div dir="ltr">The Multiscale(...)ImageFilter search uses NumberOFSigmaSteps between SigmaMin and SigmaMax. The steps can be set to linear or logaritmic. The general output will be computed as the maximum response of all scales. You cannot -as far as I know- obtain the individual output if each scale from this filter. <div>
<br></div><div>However, what you can obtain is a label map where you can see the scale that gave the maximum response. You have to enable this with the method <a class="" href="http://www.itk.org/Doxygen/html/classitk_1_1MultiScaleHessianBasedMeasureImageFilter.html#af1cefcefcef3fbe99038623e3e40ccd4" style="color:rgb(70,101,162);font-weight:bold;text-decoration:underline;font-family:'Lucida Grande',Verdana,Geneva,Arial,sans-serif;font-size:12px;line-height:19px">GenerateScalesOutputOn</a><span style="color:rgb(0,0,0);font-family:'Lucida Grande',Verdana,Geneva,Arial,sans-serif;font-size:12px;line-height:19px;background-color:rgb(249,250,252)"> () </span><span style="color:rgb(0,0,0);font-size:12px;line-height:19px;background-color:rgb(249,250,252)"><font face="arial, helvetica, sans-serif">and obtain the scales ouput image with</font></span><span style="color:rgb(0,0,0);font-family:'Lucida Grande',Verdana,Geneva,Arial,sans-serif;font-size:12px;line-height:19px;background-color:rgb(249,250,252)"> </span><a class="" href="http://www.itk.org/Doxygen/html/classitk_1_1MultiScaleHessianBasedMeasureImageFilter.html#af4d973923b178da1ce5224541dd4bfad" style="color:rgb(70,101,162);font-weight:bold;font-family:'Lucida Grande',Verdana,Geneva,Arial,sans-serif;font-size:12px;line-height:19px">GetScalesOutput</a><span style="color:rgb(0,0,0);font-family:'Lucida Grande',Verdana,Geneva,Arial,sans-serif;font-size:12px;line-height:19px;background-color:rgb(249,250,252)"> () </span><span style="color:rgb(0,0,0);line-height:19px;background-color:rgb(249,250,252)"><font face="arial, helvetica, sans-serif">method</font></span><div>
<span style="color:rgb(0,0,0);line-height:19px;background-color:rgb(249,250,252)"><font face="arial, helvetica, sans-serif"><br></font></span></div><div style><font color="#000000" face="arial, helvetica, sans-serif"><span style="line-height:19px">If you need the individual scale output you have to do it manually calling n times the single scale version of the vesselness filter</span></font></div>
</div><div style><font color="#000000" face="arial, helvetica, sans-serif"><span style="line-height:19px"><br></span></font></div><div style><font color="#000000" face="arial, helvetica, sans-serif"><span style="line-height:19px">regards</span></font></div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Apr 11, 2013 at 3:00 AM, Little Joy <span dir="ltr"><<a href="mailto:joy.king1989@gmail.com" target="_blank">joy.king1989@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Sergio,<br>
Thank you very much.<br>
<br>
I converted the image to double before Hessian Filter as you replied and I<br>
got the correct result.<br>
But I'm still confused about the scales. So could you explain it for me?<br>
<br>
Best Regards,<br>
Joy<br>
<br>
<br>
<br>
--<br>
View this message in context: <a href="http://itk-insight-users.2283740.n2.nabble.com/use-itkMultiScaleHessianBasedMeasureImageFilter-got-an-empty-image-tp7582706p7582723.html" target="_blank">http://itk-insight-users.2283740.n2.nabble.com/use-itkMultiScaleHessianBasedMeasureImageFilter-got-an-empty-image-tp7582706p7582723.html</a><br>
<div class="HOEnZb"><div class="h5">Sent from the ITK Insight Users mailing list archive at Nabble.com.<br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br>Sergio Vera<br><br> Alma IT Systems<br> C/ Vilana, 4B, 4º 1ª<br> 08022 Barcelona<br> T. (+34) 932 380 592<br> <a href="http://www.alma3d.com">www.alma3d.com</a>
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