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<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><FONT face="Times New Roman">Dear all</FONT></P>
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<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-GB" lang=EN-GB><FONT face="Times New Roman">As a measure of fit of two 3D surfaces I calculate the absolute distance from each point of surface1 to the closes point on surface2 like we would using a ICP algorithm. Finally I calculate the mean of those distances. <o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-GB" lang=EN-GB><o:p><FONT face="Times New Roman"> </FONT></o:p></SPAN></P>
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<LI style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-GB" lang=EN-GB><FONT face="Times New Roman">The term Euclidian distance which appears in the literature is not clear to me. What is the difference to distance between two points in 3D space or is it just a question of terminology?<o:p></o:p></FONT></SPAN></LI>
<LI style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-GB" lang=EN-GB><FONT face="Times New Roman">The metric I calculate doesn’t seem to be different to what is called root mean square error – or am I wrong? In case I am wrong what would you call the metric I described? What would be the difference performing registration with this metric and RMSE unsing non corresponding point sets?</FONT></SPAN></LI></OL>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-GB" lang=EN-GB><o:p><FONT face="Times New Roman"> </FONT></o:p></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="mso-ansi-language: EN-GB" lang=EN-GB><FONT face="Times New Roman">Many thanks – Peter.<o:p></o:p></FONT></SPAN></P></FONT></DIV>
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<DIV><FONT color=#000000 size=2 face=Arial>------------------------------------</FONT></DIV>
<DIV><FONT color=#000000 size=2 face=Arial>Peter Böttcher, Dr med vet, DipECVS</FONT></DIV>
<DIV><FONT color=#000000 size=2 face=Arial><FONT size=2 face=Arial><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">European Veterinary Specialist in Surgery</SPAN></FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2 face=Arial><FONT size=2 face=Arial><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">Fachtierarzt für Kleintierchirurgie</SPAN></FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2 face=Arial><FONT size=2 face=Arial><SPAN style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"></SPAN></FONT></FONT><FONT face=Arial><FONT size=2>Klinik für Kleintiere</FONT> <BR><FONT size=2>Universität Leipzig</FONT> <BR><FONT size=2>An den Tierkliniken 23</FONT> <BR><FONT size=2>D-04103 Leipzig (Germany)</FONT></FONT></DIV>
<DIV><FONT face=Arial><FONT size=2>Tel: +49-341-9738700</FONT> <BR><FONT size=2>Fax: +49-341-9738799</FONT></FONT></DIV>
<DIV><FONT face=Arial><FONT size=2>email: <A href="mailto:boettcher@kleintierklinik.uni-leipzig.de">boettcher@kleintierklinik.uni-leipzig.de</A></FONT><BR></FONT></DIV></DIV></BODY></HTML>