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<DIV><FONT face=Arial size=2><SPAN class=908494015-08012009>Hi
Seongjin,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=908494015-08012009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=908494015-08012009>Thank you so much
for the help. It works.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=908494015-08012009></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN
class=908494015-08012009>Sumei</SPAN></FONT></DIV>
<BLOCKQUOTE>
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B>
mristudio-users-bounces@mristudio.org
[mailto:mristudio-users-bounces@mristudio.org]<B>On Behalf Of
</B>[Seongjin]<BR><B>Sent:</B> Wednesday, January 07, 2009 7:27
PM<BR><B>To:</B> DTI Studio, ROI Editor, Landmarker
Questions/Support<BR><B>Subject:</B> Re: [Mristudio-users] 16 direction
Philips gradient tables<BR><BR></FONT></DIV>Sumei,<BR><BR>The number starts
from 0 and ends as 15. So the total number of gradients is 16.<BR>I recommend
you following link for the gradient table of Philips system.<BR><A id=iha-0
href="http://godzilla.kennedykrieger.org/%7Ejfarrell/OTHERphilips/GUI.html">http://godzilla.kennedykrieger.org/~jfarrell/OTHERphilips/GUI.html</A><BR><BR>To
use the JAVA applet, you should have a JAVA run time environment (JRE)
installed on your computer.<BR><BR>Good luck.<BR><BR>SC <BR><BR>
<DIV class=gmail_quote>On Wed, Jan 7, 2009 at 4:39 PM, Wang, Sumei <SPAN
dir=ltr><<A
href="mailto:Sumei.Wang@uphs.upenn.edu">Sumei.Wang@uphs.upenn.edu</A>></SPAN>
wrote:<BR>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">
<DIV lang=EN-US link="blue" vlink="purple">
<DIV><SPAN><FONT face=Arial size=2><SPAN>Hi all,</SPAN></FONT></SPAN></DIV>
<DIV>
<DIV><FONT face=Arial size=2><SPAN></SPAN></FONT> </DIV>
<DIV><SPAN><FONT face=Arial><FONT size=2>Does anybody have 16 direction
gradient table (medium) for Philips system? I search<SPAN>ed</SPAN> the
forum and just got 15 dir gradi<SPAN>ent table as
follows.</SPAN></FONT></FONT></SPAN></DIV>
<DIV><SPAN><FONT face=Arial><FONT
size=2><SPAN></SPAN></FONT></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=Arial><FONT size=2><SPAN>Thanks for your
help.</SPAN></FONT></FONT></SPAN></DIV>
<DIV><SPAN><FONT face=Arial><FONT
size=2><SPAN></SPAN></FONT></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=Arial><FONT
size=2><SPAN>Sumei</SPAN></FONT></FONT></SPAN></DIV></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV dir=ltr align=left><FONT face=Tahoma size=2>-----Original
Message-----<BR><B>From:</B> <A
href="mailto:mristudio-users-bounces@mristudio.org"
target=_blank>mristudio-users-bounces@mristudio.org</A> [mailto:<A
href="mailto:mristudio-users-bounces@mristudio.org"
target=_blank>mristudio-users-bounces@mristudio.org</A>]<B>On Behalf Of
</B>susumu<BR><B>Sent:</B> Friday, July 25, 2008 7:13 AM<BR><B>To:</B>
'DTI Studio, ROI Editor, Landmarker Questions/Support'<BR><B>Subject:</B>
Re: [Mristudio-users] Philips gradient tables<BR><BR></FONT></DIV>
<DIV>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Seongjin,</SPAN></FONT></P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">In Philips, there
are 3 types (low: 6, medium: 15, high: 32) x 2 (overplus on/off) = 6
gradient tables.</SPAN></FONT></P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">The "gradient
overplus = on" always use at least two gradients to enhance b efficiency
and therefore gaining several millisecond of echo time. In your example,
the low and high is "overplus = off" and the medium is "overplus = on".
You can see "1, 0, 0" in the first two but not in the medium.
</SPAN></FONT></P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">The medium with
"overplus = off" should look like;</SPAN></FONT></P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
0: 0,
0, 0</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
1: 1, 0,
0</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
2: 0, 1,
0</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
3: 0, 0,
1</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
4: -0.0424,-0.1146,-0.9925 </SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
5: 0.1749,-0.2005,-0.9639</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
6: 0.2323,-0.1626,-0.9590</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
7: 0.3675,0.0261,-0.9296 </SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
8: 0.1902,0.3744,-0.9076</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
9:
-0.1168,0.8334,-0.5402
</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
10: -0.2005,0.2527,-0.9466</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
11: -0.4958,0.1345,-0.8580</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
12: -0.0141,-0.6281,-0.7780</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
13: -0.7445,-0.1477,-0.6511</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
14: -0.7609,0.3204,-0.5643</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
15: -0.1809,0.9247,-0.33510</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
16: -0.6796,-0.4224,-0.5997</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
17: 0.7771,0.4707,-0.4178</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
18: 0.9242,-0.1036,-0.3677</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
19: 0.4685,-0.7674,-0.4378</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
20: 0.8817,-0.1893,-0.4322</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
21: 0.6904,0.7062,-0.1569</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
22: 0.2391,0.7571,-0.6080</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
23: -0.0578,0.9837,0.1703</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
24: -0.5368,0.8361,-0.1135</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
25: -0.9918,-0.1207,-0.0423</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
26: -0.9968,0.0709,-0.0379</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
27: -0.8724,0.4781,-0.1014</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
28: -0.2487,0.9335,0.2581</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
29: 0.1183,0.9919,-0.0471</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
30: 0.3376,0.8415,0.4218</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
31: 0.5286,0.8409,0.1163</SPAN></FONT></P>
<P><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">
32: 0.9969,0.0550,-0.0571</SPAN></FONT></P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">In general, I do
not recommend to user "overplus = on", because tensor calculation get
complicated when oblique planes are used. You have to recalculate the
table based on the image angles.</SPAN></FONT></P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Also, please note
that the "0, 0, 0" could be the first or the last image depending on how
you specify the output files.</SPAN></FONT></P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Susumu</SPAN></FONT></P>
<P><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<DIV>
<DIV style="TEXT-ALIGN: center" align=center><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt">
<HR align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P><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"
target=_blank>mristudio-users-bounces@mristudio.org</A> [mailto:<A
href="mailto:mristudio-users-bounces@mristudio.org"
target=_blank>mristudio-users-bounces@mristudio.org</A>] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>[Seongjin]<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, July 23, 2008 3:47
PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> DTI Studio, ROI
Editor, Landmarker Questions/Support<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [Mristudio-users] Philips
gradient tables</SPAN></FONT></P></DIV>
<P><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<DIV>
<P><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">Dear
DTIstudio users,<BR><BR>I wonder if you have gradient tables for Philips
Achieva system.<BR><BR>>From a source I have a gradient table for low
resolution as follows:<BR><BR>0:1.0000, 0.0000, 0.0000<BR>1:0.0000,
1.0000, 0.0000<BR>2:0.0000, 0.0000, 1.0000<BR>3:-0.7044, -0.0881,
-0.7044<BR>4:0.7044, 0.7044, 0.0881<BR>5:0.0881, 0.7044,
0.7044<BR>6:0.0000, 0.0000, 0.0000<BR><BR><BR>For medium,<BR><BR>0: 0.7071
-0.7071 1.00<BR>1: 0.7071 -0.7071 -1.00<BR>2: 1.0000 1.0000 0.0000<BR>3:
0.9999 -0.1561 0.9879<BR>4: 0.9894 0.4091 0.9240<BR>5: 0.4674 0.8874
0.9970<BR>6: 0.3866 0.9297 0.9930<BR>7: 0.7667 -0.9511 0.7124<BR>8: 0.6945
0.9954 -0.7295<BR>9: 0.3580 -0.9800 -0.9547<BR>10: 1.0000 -0.9992
-0.0392<BR>11: 0.9999 -0.3989 -0.9171<BR>12: 0.9923 0.4082 -0.9213<BR>13:
0.9989 0.9982 -0.0759<BR>14: 0.2899 0.9919 -0.9655<BR>15: 0.0000 0.0000
0.0000<BR><BR><BR>For high,<BR><BR> 0: 1.000, 0.000,
0.000<BR> 1: 0.000, 1.000, 0.000<BR> 2: 0.000, 0.000,
1.000<BR> 3: -0.042, -0.115, -0.993<BR> 4: 0.175, -0.200,
-0.964<BR> 5: 0.232, -0.163, -0.959<BR> 6: 0.368, 0.026,
-0.930<BR> 7: 0.190, 0.374, -0.908<BR> 8: -0.117, 0.833,
-0.540<BR> 9: -0.200, 0.253, -0.947<BR> 10: -0.496, 0.134,
-0.858<BR> 11: -0.014, -0.628, -0.778<BR> 12: -0.744, -0.148,
-0.651<BR> 13: -0.761, 0.320, -0.564<BR> 14: -0.181, 0.925,
-0.335<BR> 15: -0.680, -0.422, -0.600<BR> 16: 0.777, 0.471,
-0.418<BR> 17: 0.924, -0.104, -0.368<BR> 18: 0.468, -0.767,
-0.438<BR> 19: 0.882, -0.189, -0.432<BR> 20: 0.690, 0.706,
-0.157<BR> 21: 0.239, 0.757, -0.608<BR> 22: -0.058, 0.984,
0.170<BR> 23: -0.537, 0.836, -0.113<BR> 24: -0.992, -0.121,
-0.042<BR> 25: -0.997, 0.071, -0.038<BR> 26: -0.872, 0.478,
-0.101<BR> 27: -0.249, 0.933, 0.258<BR> 28: 0.118, 0.992,
-0.047<BR> 29: 0.338, 0.841, 0.422<BR> 30: 0.529, 0.841,
0.116<BR> 31: 0.997, 0.055, -0.057<BR> 32: 0.000, 0.000,
0.000<BR><BR><BR>I wonder if the tables above are correct or not. Is there
anything incorrect or partially incomplete, please let me know.<BR>Thanks
in advance.<BR><BR>Sincerely,<BR>Seongjin
</SPAN></FONT></P></DIV></DIV></BLOCKQUOTE></DIV><BR>The information
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