Empirical evaluation of segmentation algorithms for lung modelling
Lee, S. L. A., Kouzani, A. Z. and Hu, E. J. 2008, Empirical evaluation of segmentation algorithms for lung modelling, in SMC 2008 : Proceedings of 2008 IEEE International Conference on Systems, Man and Cybernetics, IEEE, Piscataway, N.J., pp. 719-724, doi: 10.1109/ICSMC.2008.4811363.
Lung modelling has emerged as a useful method for diagnosing lung diseases. Image segmentation is an important part of lung modelling systems. The ill-defined nature of image segmentation makes automated lung modelling difficult. Also, low resolution of lung images further increases the difficulty of the lung image segmentation. It is therefore important to identify a suitable segmentation algorithm that can enhance lung modelling accuracies. This paper investigates six image segmentation algorithms, used in medical imaging, and also their application to lung modelling. The algorithms are: normalised cuts, graph, region growing, watershed, Markov random field, and mean shift. The performance of the six segmentation algorithms is determined through a set of experiments on realistic 2D CT lung images. An experimental procedure is devised to measure the performance of the tested algorithms. The measured segmentation accuracies as well as execution times of the six algorithms are then compared and discussed.
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