1S.O.Relkasim,M.Shridhar,and M.Ahmadi.Pattern recognition with moment invariants:A comparative study and new results.Pattern Recognition,1991,vol. 24:1117-1138.
2J.Iivarinen,M.Peura,J.Sarela,A.Visa.Comparison of Combined Shape Descriptors For Irregular Objects [J].The 8th British Machine Vision Corcference,lg97,2:430-439.
3Sekita I,Kurita T,Otsu N.Complex autoregressire model for shape recognition [J].IEEE Trans on PAMI,1992,14(4):489-496.
4D.Zhang, G.Lu. A Comparative Study of Curva- ture Scale Space and Fourier Descriptors for Shape-Based image Retrieval [J].Journal of Visual Communication and Image Representation,2003,14 (1): 41-60.
5D.S.Zhang and G. Lu. Shape Based Image Retrieval Using Generic Fourier Descriptors. International Journal of Signal Processing: Image Communication,2001,8.
6B. M. Mehtre, M. S. Kankanha 11 i, W. F. Lee. Shape Measures for Content Based Image Retrieval:A Comparison [J] .Information Processing & Management,1997,33 (3) :319--337.
7Gonzalez,R.C..Digital Image Processing [M]. Second Edition, published by Pearson Education. Inc.