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  <copyright>Copyright 1999-2000 VA Linux Systems, Inc.</copyright>
  <title>Manually Labeled MRI Brain Scan Database News</title>
  <link>http://www.nitrc.org</link>
  <description>Manually Labeled MRI Brain Scan Database Latest News</description>
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 <item rdf:about="http://www.nitrc.org/forum/forum.php?forum_id=5809">
   <title>20Repeats Available (scanned twice and labeled twice)</title>
   <link>http://www.nitrc.org/forum/forum.php?forum_id=5809</link>
   <description>Neuromorphometrics has just released a new set of manually labeled MRI brain scans -- ready to test your automatic segmentation (labeling) algorithm.  We labeled all 40 scans of the The Open Access Series of Imaging Studies (OASIS) project &amp;quot;reliability data&amp;quot;.  These are 20 nondemented subjects imaged on two visits within 90 days.  We comprehensively label the entire brain and parcellate the cortex into regions based on gyral and sulcal landmarks using two neuroanatomical protocols:&lt;br /&gt;
&lt;br /&gt;
1) The Harvard/MGH CMA &amp;quot;General Segmentation&amp;quot; http://www.cma.mgh.harvard.edu/manuals/segmentation/&lt;br /&gt;
2) BrainCOLOR cortical parcellation: http://braincolor.mindboggle.info/protocols/&lt;br /&gt;
&lt;br /&gt;
We presented a poster giving the Dice Similarity Coefficients (DSCs) at the recent Society for Neuroscience meeting in Chicago.  The poster, along with updated plots and a list of min, average, mean, and max DSCs are on our web site: http://www.neuromorphometrics.com/?p=372.  These numbers give a kind of &amp;quot;upper bound&amp;quot; for the reliability of labeling each neuroanatomical region.  Some regions are harder to label and/or more variable than others so there is a range of values.  You can run your algorithm on the repeat scans and then compare your DSCs to the &amp;quot;best possible&amp;quot; values that can be produced manually.  Many authors claim that their results are, &amp;quot;as good as manual.&amp;quot;  These results demonstrate what manual labeling can do.&lt;br /&gt;
&lt;br /&gt;
OASIS reliability data is from: http://www.oasis-brains.org/app/action/BundleAction/bundle/OAS1_RELIABILITY&lt;br /&gt;
We provide the OASIS scans and our labeled results in NIfTI &amp;quot;.nii&amp;quot; format.</description>
   <dc:subject>Manually Labeled MRI Brain Scan Database</dc:subject>
   <dc:creator>Andrew Worth</dc:creator>
  <dc:date>Mon, 14 Dec 2015 1:34:31 GMT</dc:date>
  </item>

 <item rdf:about="http://www.nitrc.org/forum/forum.php?forum_id=4349">
   <title>30 ADNI Scans Now Available</title>
   <link>http://www.nitrc.org/forum/forum.php?forum_id=4349</link>
   <description>We have just released comprehensive manual labeled results from 30 ADNI subjects.  This is part of our &amp;quot;2013 Subscription&amp;quot;.  We'll be adding 20 repeat scans (scanned twice and labeled twice), along with the famous &amp;quot;Colin27&amp;quot; scan.  If you get the 30 ADNI scans now, you'll get these additional scans when they are available.&lt;br /&gt;
&lt;br /&gt;
If you are looking for neuroanatomical shape priors, this database is what you need!&lt;br /&gt;
&lt;br /&gt;
Andy.</description>
   <dc:subject>Manually Labeled MRI Brain Scan Database</dc:subject>
   <dc:creator>Andrew Worth</dc:creator>
  <dc:date>Wed, 24 Sep 2014 1:57:28 GMT</dc:date>
  </item>

 <item rdf:about="http://www.nitrc.org/forum/forum.php?forum_id=3903">
   <title>Scans Available</title>
   <link>http://www.nitrc.org/forum/forum.php?forum_id=3903</link>
   <description>The 2012 subscription is now available and contains 63 comprehensively labeled scans, with subject that range from 5 through 96 years of age.&lt;br /&gt;
&lt;br /&gt;
Please help us build this database of labeled scans by purchasing a subscription!&lt;br /&gt;
&lt;br /&gt;
Thanks,&lt;br /&gt;
&lt;br /&gt;
Andy.</description>
   <dc:subject>Manually Labeled MRI Brain Scan Database</dc:subject>
   <dc:creator>Andrew Worth</dc:creator>
  <dc:date>Tue, 16 Jul 2013 12:29:50 GMT</dc:date>
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