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. Author manuscript; available in PMC: 2014 Jan 13.
Published in final edited form as: IEEE Trans Med Imaging. 2012 Feb 6;31(6):1213–1227. doi: 10.1109/TMI.2012.2186976

Fig. 13.

Fig. 13

The change of tissue around the GTV leads to the failure of nonrigid registration. Red: initial GTV contour. Yellow: actual tumor contour after three weeks’ treatment. Blue: Propagation of GTV using nonrigid registration.