This repository contains the source code of MSO-GP project. The paper, "MSO-GP: 3-D segmentation of large and complex conjoined tree structures", resulting from this project is submitted to Elsevier's Methods journal. The authors are: Arijit De, Nirmal Das, Punam K. Saha, Alejandro Comellas, Eric Hoffman, Subhadip Basu, Tapabrata Chakraborti.