<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Dean,<div><br></div><div>The following IJ submission might be of interest to you. It performs B-spline approximation for curves (open,closed) as well as approximation of higher order B-spline objects. <span class="Apple-style-span" style="font-family: arial; font-size: 13px; line-height: 18px; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; "><a href="http://hdl.handle.net/1926/140" style="font-weight: bold; color: rgb(255, 148, 112); text-decoration: underline; "></a></span></div><div><font class="Apple-style-span" face="arial" size="3"><span class="Apple-style-span" style="font-size: 13px; line-height: 18px; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></font></div><div><span class="Apple-style-span" style="font-family: arial; font-size: 13px; line-height: 18px; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; "><a href="http://hdl.handle.net/1926/140" style="font-weight: bold; text-decoration: underline; "><font class="Apple-style-span" color="#000000">http://hdl.handle.net/1926/140</font></a></span></div><div><font class="Apple-style-span" face="arial" size="3"><span class="Apple-style-span" style="font-size: 13px; line-height: 18px; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></font></div><div>It was recently transferred to the Review directory. </div><div><br></div><div>Good luck,</div><div>Nick</div><div><br></div><div><br><div><div>On Jan 7, 2009, at 4:45 PM, Dean Inglis wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div lang="EN-CA" link="blue" vlink="purple"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="State"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PlaceType"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PlaceName"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"><div class="Section1"><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">given a set of voxel centered points in an image plane<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">that define a closed contour (eg., periosteal surface of<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">a bone seen in an axial ct image) is there functionality<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">in itk to fit an nth order polynomial to the points to<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">generate a “smooth” contour? One of the constraints is<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">that the points defining the new contour must be equidistant<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">but not necessarily voxel centered. tia,<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><o:p> </o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">Dean<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><o:p> </o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><o:p> </o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">Dean Inglis, PhD<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">~~~~ Center for Appendicular ~~~~~<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">Magnetic Resonance Imaging Studies<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">Assistant Professor (Adjunct)<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">Department of Civil Engineering<o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><st1:place w:st="on"><st1:placename w:st="on"><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">McMaster</span></font></st1:placename><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; "><span class="Apple-converted-space"> </span><st1:placetype w:st="on">University</st1:placetype></span></font></st1:place><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; "><o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><st1:place w:st="on"><st1:city w:st="on"><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">Hamilton</span></font></st1:city><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">,<span class="Apple-converted-space"> </span><st1:state w:st="on">Ontario</st1:state></span></font></st1:place><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; "><o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></font><o:p></o:p></div><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; ">Software Demos:<o:p></o:p></span></font></p><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: 'Courier New'; "><a href="http://www.youtube.com/watch?v=_zYNtHC9-0s" style="color: blue; text-decoration: underline; ">http://www.youtube.com/watch?v=_zYNtHC9-0s</a><o:p></o:p></span></font></div><div style="margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="3" face="Times New Roman"><span style="font-size: 12pt; "><o:p> </o:p></span></font></div></div>_______________________________________________<br>Insight-users mailing list<br><a href="mailto:Insight-users@itk.org" style="color: blue; text-decoration: underline; ">Insight-users@itk.org</a><br><a href="http://www.itk.org/mailman/listinfo/insight-users" style="color: blue; text-decoration: underline; ">http://www.itk.org/mailman/listinfo/insight-users</a><br></o:smarttagtype></o:smarttagtype></o:smarttagtype></o:smarttagtype></o:smarttagtype></div></span></blockquote></div><br></div></body></html>