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  • NCI-ISBI 2013 Challenge - Automated Segmentation of Prostate Structures

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Obtaining the Challenge Data

Training Set

A 60 case prostate MRI 3D series "training set" consisting of DICOM images with matched .NRRD markups that defines the tissue "central gland (CG)" and "peripheral zone (PZ)" are available from the National Cancer Institute (NCI) via The Cancer Imaging Archive – "TCIA". 

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Leader Board Set (released 3/7/13)

The 10 case prostate MRI 3D series "leader board set" is now available from the National Cancer Institute (NCI) via The Cancer Imaging Archive – "TCIA". The same instructions apply as with the training set, except for the use of a new Shared List Name - "ISBI Prostate Challenge - Leader Board".

  1. In order to obtain the DICOM images please login to The Cancer Imaging Archive (or register for a free account).  
  2. Having logged on, go to the left side-bar to click on the link "search shared list".  
    1. The Shared List Name to search for is: "ISBI Prostate Challenge - Leader Board". 
    2. Then click the "Submit" box at the lower right-hand part of the screen.
    3. Click the blue underlined link titled ISBI Prostate Challenge - Leader Board to open the Shared List. 
    4. For additional help with searching for Shared Lists please refer to section 3.7.3 in the TCIA User's Guide or contact the TCIA Helpdesk at 314-747-4254.
  3. Next click the blue "Download Manager" link.
    1. Be sure to note the Browse box at the top of the next screen to choose a suitable folder location on your machine to receive the downloaded DCM cases. 
    2. Then click the "start" button at the bottom arrow of the screen picture below to start the download.
    3. Wait until all of the progress bars reach 100%.  A message will appear at the bottom of the Download Manager window indicating when the data is completely finished downloading.
    4. For additional help with using the Download Manager please refer to section 3.8 in the TCIA User's Guide or contact the TCIA Helpdesk at 314-747-4254.

Please note that no NRRD segmentations will be available for download for these Leader Board cases until after the conclusion of the challenge.

Submitting Your Results

Once you've trained your algorithm on those 60 cases the NCI-ISBI Challenge Committee will provide you access to a new 10 case "Leader board" set to which you will not have .NRRD markup data. "Leader board" is a popular term (borrowed from golf) for a procedure to see how well you are doing on a pre-test set to get a sense of your relative competitive rank before submitting to a final test.  The results of your participation in the Leader board will be returned to you as feedback on a subset of sequestered markups retained on the judging analytic software using Kitware's MIDAS software. You may then use those results for further tuning your algorithm to prepare yourself for the final "Test" set of 10 totally new cases on which you will run your algorithm while attending the ISBI meeting in April 2013.

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