Update README.md

README.md

 This is the source code repository for the paper "Segmenting Touching Cells"
 
-The manuscript is currently under review. This software is intended only for the
-selected reviewers to evaluate. It is not licensed for download or use.
-
-After the manuscript is accepted the software will be released free and open 
-source.
+M. Winter, W. Mankowski, E. Wait, E. C. De La Hoz, A. Aguinaldo and A. R. Cohen, "Separating Touching Cells using Pixel Replicated Elliptical Shape Models," in IEEE Transactions on Medical Imaging.
+doi: 10.1109/TMI.2018.2874104
+keywords: {Image segmentation;Transforms;Task analysis;Fluorescence;Gaussian mixture model;Shape;segmentation;cell segmentation;elliptical distributions;Gaussian mixture models;segmenting touching objects},
+URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8482305&isnumber=4359023 
 
 USAGE
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