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<div>Thanks Luis!</div>
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<div>-Alex </div>
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On Mar 21, 2014, at 11:36 AM, "Luis Ibanez" <<a href="mailto:luis.ibanez@kitware.com">luis.ibanez@kitware.com</a>> wrote:<br>
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<div dir="ltr">Hi Alex,<br>
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Please see line 79 of the itkDemonsRegistrationFilter.hxx:<br>
<a href="https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Registration/PDEDeformable/include/itkDemonsRegistrationFilter.hxx#L79">https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Registration/PDEDeformable/include/itkDemonsRegistrationFilter.hxx#L79</a><br>
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if ( this->GetSmoothDisplacementField() )<br>
{<br>
this->SmoothDisplacementField();<br>
}<br>
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<div>it is at the end of the method: InitializeIteration(), in line 58<br>
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<a href="https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Registration/PDEDeformable/include/itkDemonsRegistrationFilter.hxx#L58">https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Registration/PDEDeformable/include/itkDemonsRegistrationFilter.hxx#L58</a><br>
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and it is called, at the beginning of the iteration.<br>
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<div class="gmail_extra">On the other hand,</div>
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<div class="gmail_extra">Please see the method: SmoothUpdateField() in line 160</div>
<div class="gmail_extra"><a href="https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Registration/PDEDeformable/include/itkDemonsRegistrationFilter.hxx#L160">https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Registration/PDEDeformable/include/itkDemonsRegistrationFilter.hxx#L160</a><br>
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<div class="gmail_extra">called from ApplyUpdate() in line 154</div>
<div class="gmail_extra"><a href="https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Registration/PDEDeformable/include/itkDemonsRegistrationFilter.hxx#L154">https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Registration/PDEDeformable/include/itkDemonsRegistrationFilter.hxx#L154</a><br>
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<div class="gmail_extra">that is called from the super class itkFiniteDifferenceImageFilter in line 93</div>
<div class="gmail_extra"><a href="https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Core/FiniteDifference/include/itkFiniteDifferenceImageFilter.hxx#L93">https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Core/FiniteDifference/include/itkFiniteDifferenceImageFilter.hxx#L93</a><br>
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<div class="gmail_extra">which can be considered the "end" of the iteration driven by the "while" loop in line 85</div>
<div class="gmail_extra"><a href="https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Core/FiniteDifference/include/itkFiniteDifferenceImageFilter.hxx#L85">https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Core/FiniteDifference/include/itkFiniteDifferenceImageFilter.hxx#L85</a><br>
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<div class="gmail_extra"> Hope this helps,</div>
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<div class="gmail_extra"> Luis</div>
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