<DIV>Thanks, susumu, I doubt the FA image because I can't get the correct fiber streamlines, <BR>but I think I have selected the corrected parameters. Could you help me check it? the attachment includes the data and parameters.</DIV>
<DIV></DIV><BR>susumu <susumu@mri.jhu.edu> wrote：<BR>
<BLOCKQUOTE id="isReplyContent" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<DIV class="Section1">
<P class="MsoNormal"><FONT face="Arial" color="navy" size="2"><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hi Vikey,<o:p></o:p></SPAN></FONT></P>
<P class="MsoNormal"><FONT face="Arial" color="navy" size="2"><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class="MsoNormal"><FONT face="Arial" color="navy" size="2"><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">It seems the image looks fine. If you are concerning about the bright signals outside the brain, that’s because FA was calculated for the noise floor.<o:p></o:p></SPAN></FONT></P>
<P class="MsoNormal"><FONT face="Arial" color="navy" size="2"><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">To remove these signals from outside the brain, please raise the threshold value (the default is “10”), which you can specify when you do the tensor calculation. <o:p></o:p></SPAN></FONT></P>
<P class="MsoNormal"><FONT face="Arial" color="navy" size="2"><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<DIV class="MsoNormal" style="TEXT-ALIGN: center" align="center"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex="-1" align="center" width="100%" SIZE="2">
</SPAN></FONT></DIV>
<P class="MsoNormal"><B><FONT face="Tahoma" size="2"><SPAN style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT face="Tahoma" size="2"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> <A href="mailto:mristudio-users-bounces@mristudio.org">mristudio-users-bounces@mristudio.org</A> [mailto:<A href="mailto:mristudio-users-bounces@mristudio.org">mristudio-users-bounces@mristudio.org</A>] <B><SPAN style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>vikey.han<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, March 31, 2009 11:05 PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> <A href="mailto:Mristudio-users@mristudio.org">Mristudio-users@mristudio.org</A><BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> [Mristudio-users] unable to generate FA image</SPAN></FONT><o:p></o:p></P></DIV>
<P class="MsoNormal"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class="MsoNormal"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt">Hi everyone,<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt"> I use DTIstudio to compute FA image, but find the result is not correct, the attachment is the snapshot of FA image, could you tell me what mistakes I make probably?<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt"> thanks, <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt"> vikey<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class="MsoNormal" style="MARGIN-BOTTOM: 12pt"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<P class="MsoNormal"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt"><BR><BR><BR><o:p></o:p></SPAN></FONT></P><SPAN title="neteasefooter">
<DIV class="MsoNormal" style="TEXT-ALIGN: center" align="center"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt">
<HR align="center" width="100%" SIZE="2">
</SPAN></FONT></DIV>
<P class="MsoNormal"><FONT face="SimSun" size="3"><SPAN style="FONT-SIZE: 12pt"><A href="http://email.163.com/"><SPAN lang="ZH-CN">网易邮箱，中国第一大电子邮件服务商</SPAN></A> </SPAN><o:p></o:p></FONT></P></SPAN></DIV></BLOCKQUOTE><br><!-- footer --><br><span title="neteasefooter"/><hr/>
<a href="http://email.163.com">网易邮箱，中国第一大电子邮件服务商</a>
</span>