3J.H.Siewerdsen and D.A.Jaffray. Cone—beam computedtomography with a flat-panel imager: magnitude and ef-fects of x-ray scatter[J]. Med. Phys. 2001,28(2):220-331.
3Santos M, Pajares G, Portela M. A new wavelets image fusion strategy [ J ]. Lecture Notes in Computer Science, 2003, 2652: 919 - 926.
4Shi Wen-zhong, Zhu Chang-qing, Yan Tian, et al. Wavelet-based image fusion and quality assessment [ J ]. International Journal of Applied Earth Observation and Geoinformation, 2005, 6(3): 241-251.
5Mitianoudis N, Stathaki T. Pixel-based and region-based image fusion schemes using ICA bases [ J ]. Information Fusion, 2007, 8(2) : 131 - 142.
6Hyvarinen A, Oja Erkki. Independent component analysis: Algorithm and applications[J]. Neural Networks, 2000, 13 (4) : 411 - 430.
7Olshausen B A. Sparse codes and spikes[A]. In: Rao R P N, Olshausen B A, Lewicki M S, eds. Probabilistic models of the Brain : Perception and Neural Function [ M ]. Cambridge, MA, USA: MIT Press, 2002.
