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  • QIN Lung CT Segmentation Challenge

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Excerpt
The goal of the CT segmentation challenge was to compare the bias (where possible) and repeatability of automatic, semi-automatic and manual segmentations for lung CT studies. Investigators from Columbia, MGH, Moffitt and Stanford identified 52 lung CT nodules and made available the data in DICOM format. Algorithm developers and users were requested to submit at least 4 repetitions of their algorithm for each nodule. A variety of image formats for the segmentation volumes were utilized including NIFTI, NRRD, JPG, PNG, DICOM-SEG, DICOM-RT, AIM, and LIDC-XML.  The results were ultimately converted into DICOM-SEG format and uploaded back to TCIA. 

Data Description

Images from multiple TCIA collections were utilized in the challenge and general information about nodule locations were provided as follows:

Data Downloads

The subset of image data from each collection that was used in this challenge can be downloaded using the following Shared Lists: (question)

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Use this Shared List to obtain all images used in the challenge.   

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To download the data please visit the Digital Object Identifier page for this data set at http://dx.doi.org/10.7937/K9/TCIA.2015.1BUVFJR7.