I use ITK read series of dicom data to segment by region growing.The result is not very good.So many regions cannot be deleted.So I want to set more indexes.I simply set series seed index like following:<div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;InternalImageType::IndexType index,index1,index2;</div><div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;index[0]=146;</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>index[1]=69;</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>index[2]=30;</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>index1[0]=60;</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>index1[1]=133;</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>index1[2]=40;</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>index2[0]=76;</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>index2[1]=194;</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>index2[2]=50;</div></div><div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;connectedThreshold-&gt;SetSeed(index);</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>connectedThreshold-&gt;SetSeed(index1);</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>connectedThreshold-&gt;SetSeed(index2);</div></div><div>Then I get the result(series of dicom data).But all the images are black that just like nothing paiting on it.</div><div>Is&nbsp;my way to set seed indexes wrong?</div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>