<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1522170824541_33062"><span></span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063"><br>Hello Matt,</div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063"><br></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063">thank you for your email...</div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063"><br></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063">I agree it - but this one of the fundamendat geometric constructs used in the Guide - that is just ill-named...</div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063"><br></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063">How can we name it differently.... definitely, not as Voronoi region, nor Delaunay region (completely wrong)</div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063"><br></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063">-let us discuss,</div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063"><br></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063">Best,</div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063"><br></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1522170824541_33063">Celina</div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Matt McCormick <matt.mccormick@kitware.com><br> <b><span style="font-weight: bold;">To:</span></b> Celina Imielinska <celina_imielinska@yahoo.com> <br><b><span style="font-weight: bold;">Cc:</span></b> Stephen Aylward <stephen.aylward@kitware.com>; Bradley Lowekamp <blowekamp@mail.nih.gov>; Insight Developers <Insight-developers@itk.org>; Luis Ibanez <luis.ibanez@kitware.com><br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, March 27, 2018 1:48 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [ITK-dev] ITK Software Guide<br> </font> </div> <div class="y_msg_container"><br><div id="yiv4311973611"><div><div dir="ltr">Hi Celina,<div><br clear="none"></div><div>Improvements to the Software Guide are welcome. Please see the README here on how to contribute:</div><div><br clear="none"></div><div> <a rel="nofollow" shape="rect" target="_blank" href="https://github.com/InsightSoftwareConsortium/ITKSoftwareGuide">https://github.com/InsightSoftwareConsortium/ITKSoftwareGuide</a></div><div><br clear="none"></div><div>Thanks,</div><div>Matt</div></div><div class="yiv4311973611gmail_extra"><br clear="none"><div class="yiv4311973611gmail_quote">On Tue, Mar 27, 2018 at 1:42 PM, Celina Imielinska via Insight-developers <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:insight-developers@itk.org" target="_blank" href="mailto:insight-developers@itk.org">insight-developers@itk.org</a>></span> wrote:<br clear="none"><blockquote class="yiv4311973611gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="yiv4311973611yqt2324887796" id="yiv4311973611yqt74551"><div><div style="color:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_9502"><br clear="none"></div><div class="yiv4311973611m_35607094900211331qtdSeparateBR" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_9503"><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10731">Dear All</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10731"><br clear="none"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10731">(I have emailed separately Bill Schroeder at Kitware)</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10734"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10735"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10736">I am very happy that ITK Toolkit has been thriving over so many years. Kitware has done amazing job to maintain it and to expand it.</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10737"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10738"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10739">Still, I am trying to contact the main co-authors of the currect ITK Software Guide.</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10740"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10741"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10742">I am writing about the usage of "Voronoi Region" terminology in the recent editions of the ITK Software guide - that is very odd and not in agreement with how Voronoi Diagram, that is one of the fundamental geometric structures, is defined:</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10743"><a rel="nofollow" shape="rect" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10790" target="_blank" href="https://www.cs.ucsb.edu/~suri/cs235/Voronoi.pdf">https://www.cs.ucsb.edu/~suri/ cs235/Voronoi.pdf</a></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10743"><br clear="none"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10744"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10745"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10746">Could you please email me - I would like to suggest that if we want to use as "geometrical concepts associated with the ITK image" "Voronoi region" in a form what I consider a degenerative representation of it - then maybe it would be wise to name it differently. Not to mention the usage of another oddity: Delaunay Region - what is it? Voronoi Diagram and its dual, Delaunay Triangulation are classic geometric constructs that require that the points, in the Voronoi diagram, the Voronoi points, satisfy:</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10747"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10748"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10749">"Non-degeneracy Condition: Assume no 4 cocircular points, and no 3 collinear."</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10750"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10751"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10752">This is violated in the construct included in the Guide and referred to as Voronoi Region and Delaunay Region.</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10753"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10754"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10755">I don't mind that the guide is not including any more my original hybrid segmentation contribution that included Voronoi Diagram classification </div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10756"><a rel="nofollow" shape="rect" target="_blank" href="https://core.ac.uk/download/pdf/27299860.pdf">https://core.ac.uk/download/ pdf/27299860.pdf</a></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10757">I woudl like to ask you to discuss what can be done with possibly correctingthe odd terminology,</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10758"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10759"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10760">looking forward to hear from </div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10761"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10762"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10763">Best Regards,</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10764"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10765"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10766">Celina Imielinska</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10767"><br clear="none" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10768"></div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10769">Celina Imielinska, PhD</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10770">Principal</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10771">Vesalius Technologies LLC</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10772">Princeton NJ</div><div id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10773"><a rel="nofollow" shape="rect" ymailto="mailto:celina_imielinska@yahoo.com" target="_blank" href="mailto:celina_imielinska@yahoo.com">celina_imielinska@yahoo.com</a></div><div dir="ltr" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10774"><a rel="nofollow" shape="rect" href="">609 240 4721</a></div><div dir="ltr" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10774"><br clear="none"></div><div dir="ltr" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10774">PS. old version <a rel="nofollow" shape="rect" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_11972" target="_blank" href="http://www.sci.utah.edu/publications/ibanez03/ItkSoftwareGuide.pdf">http://www.sci.utah. edu/publications/ibanez03/ ItkSoftwareGuide.pdf</a></div><div dir="ltr" id="yiv4311973611m_35607094900211331yui_3_16_0_ym19_1_1522170824541_10774"> newest <a rel="nofollow" shape="rect" target="_blank" href="https://itk.org/ItkSoftwareGuide.pdf">https://itk.org/ ItkSoftwareGuide.pdf</a></div></div></div></div></div><br clear="none">The ITK community is transitioning from this mailing list to <a rel="nofollow" shape="rect" target="_blank" href="http://discourse.itk.org/">discourse.itk.org</a>. Please join us there!<br clear="none">
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