[4] Tanaka Go, Suetake Noriaki, Uchino Eiji. Minimum spanning tree-based random-valued impulse noise detection for a switching median filter [J]. Opt. Lett., 2008, 33(17): 1993-1995.

[5] Li Fang. Study on image segmentation based on dynamic clustering and real rough sets [J]. Journal of Information and Computational Science, 2008, 5(3): 1111-1118.

[8] Quine Brendan M, Tarasyuk Valery, Mebrahtu Henok, et al. Determining star-image location: A new sub-pixel interpolation technique to process image centroids [J]. Computer Physics Communications, 2007, 177(9): 700-706.

[9] Xue Ting, Wu Bin, Sun Mei, et al. Complete approach to automatic identification and subpixel center location for ellipse feature [J]. Optoelectronics Lett., 2008, 4(1): 51-54.