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<DIV><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Hi Xiaopeng,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I would recommend the use of vtkImageMask (see the doxygen documentation for more information) to do the job.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Hence, your CT image will be masked with the liver label and any pixel outside the liver label will be set to 0.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Bouba<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> vtkusers-bounces@vtk.org [mailto:vtkusers-bounces@vtk.org] <b>On Behalf Of </b>Xiaopeng Yang<br><b>Sent:</b> mercredi 18 avril 2012 16:07<br><b>To:</b> insight-users@itk.org; 'vtk'<br><b>Subject:</b> [vtkusers] Create an image<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Dear Users,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have two images, an original abdominal gray-scale CT image, and a segmented mask image of the liver from the CT image. I would like to create a new gray-scale image from the original CT image so that in the new image, the intensity value of the points outside the segmented liver is set to be 0, while the points within the segmented liver do not change. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I think there should be some example to do this. But I could not find any one from Google search. If you know any example, please share it with me.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Xiaopeng<o:p></o:p></span></p></div></DIV>
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