1. Asbury, C.: Brain imaging technologies and their applications in neuroscience. The Dana Foundation (2011)
2. Asha, A.A., Victor, S.P., Lourdusamy, A.: Feature extraction in medical image using ant colony optimization: a study. Int. J. Comput. Sci. Eng. 3(2), 714– 721 (2011)
3. Beckmann, E.C.: Br. J. Radiol. 79, 5–8 (2006)
4. Byrne, C.: Iterative algorithms in tomography. UMass Library (2005)
5. Byrne, C: The EMML and SMART Algorithms. UMass Library (2006)