<div dir="ltr"><div dir="ltr"><div>Hello all,</div><div><p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif">I'm a beginner with ITK. and I am researching on segmentation. I tested the ITK's examples on MRI images and had a few questions:</p><p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:11pt">1.</span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:"Times New Roman""> </span><span style="font-size:11pt">How to know the seed index of different materials (white matter, gray matter, ventricle)?</span></p><p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:11pt">2.</span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:"Times New Roman""> </span><span style="font-size:11pt">What is the limit of the indexes (seed index, number of iterations, multiplier, neighborhood radius, etc.)? I mean: What are the specific rules for each material?</span></p><p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:11pt">3.</span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:"Times New Roman""> </span><span style="font-size:11pt">Does Seed index have anything to do with CT number?</span></p><p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:11pt">4.</span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:"Times New Roman""> </span><span style="font-size:11pt">I'm running a combination of 2 example to extract brain tumors on MRI images, CT,... And I do not know how to choose these indicators to fit my image (the most accurate brain tumor extract)…? Example: threshold, </span>minsize<span style="font-size:11pt">,…</span><a href="https://itk.org/Doxygen/html/WikiExamples_2ImageProcessing_2ScalarConnectedComponentImageFilter_8cxx-example.html#_a6" style="font-size:11pt;color:blue">https://itk.org/Doxygen/html/WikiExamples_2ImageProcessing_2ScalarConnectedComponentImageFilter_8cxx-example.html#_a6</a><span style="font-size:11pt"> </span></p><p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:11pt">and </span><a href="https://itk.org/Doxygen/html/Examples_2Segmentation_2ConfidenceConnected_8cxx-example.html#_a7" style="font-size:11pt;color:blue">https://itk.org/Doxygen/html/Examples_2Segmentation_2ConfidenceConnected_8cxx-example.html#_a7</a></p><p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%"><font face="Calibri, sans-serif"><span style="font-size:14.6667px">Here are some photos, and I chose these indicators completely random.</span></font><br></p><div><img src="cid:ii_jmh5vtk30" alt="image.png" style="margin-right: 0px;" width="180" height="96"><br></div><div><img src="cid:ii_jmh5wa3o1" alt="image.png" width="180" height="94" style="margin-right: 0px;"><br></div></div><div><div><img src="cid:ii_jmh5wojr2" alt="image.png" width="180" height="93" style="margin-right: 0px;"><br></div></div><div>Thank you for your help, <br></div><div><div>Best regards,</div></div><div>Thao</div></div></div>