If this artifact appears reproducible, you'd better contact your scanner manufacturer and show the image.<div>This half-field-of-view ghost is usually caused by poor calibration scan and phase correction for the EPI data acquisition. We always have this ghost in DTI, which uses EPI, but with much less degree.<br>
<br><div class="gmail_quote">On Thu, Feb 21, 2013 at 8:42 PM, Durai Arasan <span dir="ltr"><<a href="mailto:durai23@gmail.com" target="_blank">durai23@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
hi,<br><div class="gmail_quote"><div><br></div><div>just started using this amazing software. </div><div><br></div><div>my adc map has consistent artifacts (calculated with b-val = 700 thresh = 10) as shown in attached image.</div>
<div><br></div><div>
this is probably something trivial, as i am using the sample data provided in the tutorial with default values. can someone point out whats wrong?<br><br></div><div>thanks</div><span class="HOEnZb"><font color="#888888"><span><font color="#888888"><div>
durai</div>
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