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电子学报  2012 

仿射不变的中心投影

DOI: 10.3969/j.issn.0372-2112.2012.11.027, PP. 2315-2319

Keywords: 中心投影,仿射不变,广义轮廓,小波变换

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Abstract:

考虑将区域和轮廓类不变特征提取算法结合:利用中心投影将目标转化为闭曲线,对闭曲线运用轮廓类方法提取不变特征.证明了图像经中心投影所得闭曲线保持仿射变换的结论.介绍了一种利用小波变换进行仿射不变特征提取的算法.对一些汉字、26个大写英文字母等的实验结果表明结论的有效性,与传统方法相比该算法对噪声具有较强的鲁棒性.

References

[1]  黄波,赵继印,等.基于多尺度自卷积归一化直方图的仿射不变量模式识别[J].电子学报,2011.39(1):64-69. Huang Bo,Zhao Jiyin,et.al.Affine invariant pattern recognition based on multiscale autoconvolution normalized histograms[J].Acta Electronica Sinica,2011,39(1):64-69.(in Chinese)
[2]  Zhang D S,Lu G J.Review of shape representation and description techniques [J].Pattern Recognition,2004,37(1):1-19.
[3]  Khalil M I,Bayoumi M M.A dyadic wavelet affine invariant function for 2D shape recognition [J].IEEE Trans on PAMI,2001,23(10):1152-163.
[4]  Tao Y,Lam Ernest C M,Tang Y Y.Feature extraction using wavelet and fractal [J].Pattern Recognition Letters,2000,22(3):2527-2530.
[5]  Jafari-Khouzani K,Soltanian-Zadeh H.Rotation-invariant multiresolution texture analysis using radon and wavelet transforms[J].IEEE Trans on Image Processing,2005,14(6):783-795.
[6]  Yang M Q,Kpalma K,Ronsin J.Affine invariance contour descriptor based on the equal area normalization [J].LAENG International Journal of Applied Mathematics,2007,36(2):1-6.
[7]  Arbter K,Snyder W E,Burkhardt H,Hirzinger G.Application of affine-invariant fourier descriptors to recognition of 3-D objects [J].IEEE Trans on PAMI,1990,12(7):640-647.
[8]  Rube I E,Ahmed M,Kamel M.Wavelet approximation-based affine invariant shape rtepresentation functions [J].IEEE Trans on PAMI,2006,28(2):323-327.
[9]  Hu M K.Image analysis via the general theory of moments [J].IRE Trans on Information Theory,1962,8(2):179-187.
[10]  Flusser J,Suk T.Pattern recognition by affine moment invariants [J].Pattern Recognition,1993,26(1):167-174.
[11]  Suk T,Flusser J.Affine moment invariants generated by graph method [J].Pattern Recognition,2011,44(9):2047-2056.
[12]  Rahtu E,Salo M,Heikkila J.Affine invariant pattern recognition using multiscale autoconvolution [J].IEEE Trans on PAMI,2005,27(6):908-918.
[13]  Tang Y Y,Tao Y,Lam Ernest C M.New method for extraction based on fractal behavior [J].Pattern Recognition,2002,35(5):1071-1081.

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