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<DIV>Dear Susumu,</DIV>
<DIV><BR>This is my protocol of DTI and 3D scaning at SIEMENS 3T, Would you please review it and give me some suggestions.</DIV>
<DIV> </DIV>
<DIV>Thanks,</DIV>
<DIV> </DIV>
<DIV>Jinsong</DIV>
<DIV> </DIV>
<DIV>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 22pt" lang=EN-US>DTI:<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></B></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Axial</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>FOV= 240</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">×</SPAN><SPAN lang=EN-US>240mm</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Slice thickness= 3mm</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Slice number=45</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Gap=0mm</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Matrix=128</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">×</SPAN><SPAN lang=EN-US>128</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="BACKGROUND: lime; mso-highlight: lime" lang=EN-US>NEX=5<SPAN style="mso-spacerun: yes"> </SPAN>or<SPAN style="mso-spacerun: yes"> </SPAN>1</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="BACKGROUND: lime; mso-highlight: lime" lang=EN-US>TR=6046ms<SPAN style="mso-spacerun: yes"> </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; BACKGROUND: lime; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-highlight: lime">？</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>TE=93 </SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Diffusion directiuon =12</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>b=1000, b0=0.</SPAN></P></DIV>
<DIV style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt"> </DIV>
<DIV style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt">
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 18pt" lang=EN-US>3D <o:p></o:p></SPAN></B></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>TR= 2000ms</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>TE=2.6ms</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>FOV=240</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">×</SPAN><SPAN lang=EN-US>240mm</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Slice thickness=1mm</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Gap=0mm</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Slices=176</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Matrix=256</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">×</SPAN><SPAN lang=EN-US>256</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Slice orientation= sagittal </SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>Flip angle=15º</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US>NEX=1</SPAN></P></DIV>
<DIV style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt"><BR>
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<B><SPAN style="FONT-WEIGHT: bold">发件人：</SPAN></B> susumu <susumu@mri.jhu.edu><BR><B><SPAN style="FONT-WEIGHT: bold">收件人：</SPAN></B> "DTI Studio, ROI Editor, Landmarker Questions/Support" <mristudio-users@mristudio.org><BR><B><SPAN style="FONT-WEIGHT: bold">已发送：</SPAN></B> 2009/4/9(周四), 下午11:04:09<BR><B><SPAN style="FONT-WEIGHT: bold">主题：</SPAN></B> Re: [Mristudio-users] MriView3D application close<BR></FONT><BR>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial>Hi Hugh,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial>When you got this error, please suspect one of the following two reasons;</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial>1) Memory shortage:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial>Even if you have many GB of memories, 32-bit Windows system can allocate only 1 - 1.5 GB to each program. To check if you have the memory problem, please restrict the slices to be calculated. In the initial data parameter window, there is a section called "Slices to be processed". Here you can specify only a portion of slices to be processed. Please limit the slices to, for example, 0-9 and see how it goes. If you can calculate tensors without errors, then you have the memory problem. The solution is; a) upgrade to the 64-bit system or b) devide the calculation to 2 batches (e.g. slice 0-29 for the first batch and 30-59 for the second batch), calculate all maps (e.g. FA), and later combine them.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial>2) Mismatch between the gradient table and the number of images:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial>For example, if you specify 12-orientation table and 30 volume images, then you get the error. After loading the data and before you go to the Dti Map tab, make sure that you have 1 b0 + 64 DWIs in the pull-down menu in the right column of the Image tab. If you have the correct number of the images, then you might have an error in your gradient table. Small mistakes such as missing "," are often difficult to detect. The best way is; a) load the data using DtiMapping under the "File" button on the top left, b) close the window, c) open the image paremater window again by clicking "DtiMapping" in the "File" button again, d) the window still remembers the gradient table you entered last time. This remembered window tells how DtiStudio interpreted your gradient table. If there is any syntax errors, you may find them much easier. For example, if you enter, "4: 1 0.5
0", instead of "4: 1, 0.5, 0", then you would find, "4: 1, 0, 0".</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial>If any of these do not solve the issue, please let us know.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=230314414-09042009><FONT color=#0000ff size=2 face=Arial>Susumu</FONT></SPAN></DIV><BR>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
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<FONT size=2 face=Tahoma><B>From:</B> mristudio-users-bounces@mristudio.org [mailto:mristudio-users-bounces@mristudio.org] <B>On Behalf Of </B>Hugh Wang<BR><B>Sent:</B> Wednesday, April 08, 2009 6:30 PM<BR><B>To:</B> mristudio-users@mristudio.org<BR><B>Subject:</B> [Mristudio-users] MriView3D application close<BR></FONT><BR></DIV>
<DIV></DIV>Hi, <BR><BR>I was using the dtistudio (ver. 2.4) to look at the Siemens DICOM diffusion images (1baseline,64 gradients). After successfully loading the images, I click the "dti map" option at lower right corner. Whatever calculation I choose, it always gives me an error: <BR><BR>"MriView3D MFC Application has encountered a problem and needs to close. We are sorry for the inconvenience."<BR><BR>I tried several PCs, and the problem keeped the same. I would appreciate that if there's anyone having any idea on how to solve it. Thanks.<BR><BR clear=all>Best,<BR>Hugh<BR></DIV></DIV></div><br>
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