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. Author manuscript; available in PMC: 2018 May 14.
Published in final edited form as: Conf Proc IEEE Eng Med Biol Soc. 2011;2011:2434–2437. doi: 10.1109/IEMBS.2011.6090677

Fig. 1.

Fig. 1

Sampling a pair of nodes in the pathway using a Gibbs sampler of step-size 2. Fig. 1(a) shows the selection of the current path between the source and sink. In Fig. 1(b), one pair of nodes is selected from all possible pairs. Fig. 1(c) shows the path is updated using the newly sampled nodes.