[1] HU M K.Visual pattern recognition by moment invariants[J].IRE Transactions on Information Theory,1962,8(2):179-187.
[2] TEAGUE M R.Image analysis via the general theory of moments[J].JOSA,1980,70(8):920-930.
[3] ZAHN C T,ROSKIES R Z.Fourier descriptors for plane closed curves[J].IEEE Transactions on Computers,1972, 100(3):269-281.
[4] XIONG H,ZHANG T,MOON Y S.A translation and scale-invariant adaptive wavelet transform[J].IEEE Transactions on Image Processing,2000,9(12):2100-2108.
[5] RAHTU E,SALO M,HEIKKIL J.Multiscale autoconvolution histograms for affine invariant pattern recognition[C]//The 16th British Machine Vision Conference,2006: 1059-1062.
[6] RAHTU E,SALO M,HEIKKIL J.Affine invariant pattern recognition using multiscale autoconvolution[J].IEEE Transactions on Pattern Analysis and Machine Intelligence,2005,27(6):908-918.
[12] TUZEL O,PORIKLI F,MEER P.Region covariance:A fast descriptor for detection and classification[C]//The 9th European Conference on Computer Vision,Graz,Austria, 2006: 589-600.
[13] ANDO R,OHKI H,FUJITA Y.A comparison with cova-riance features on player uniform number recognition[C]//The 17th Korea-Japan Joint Workshop on Frontiers of Computer Vision,Korea,2011: 1-4.
[14] HABIBOGLU Y H,GUNAY O,CETIN A E.Flame detection method in video using covariance descriptors[C]//IEEE International Conference on Acoustics,Speech and Signal Processing,Prague,Czech,2011: 1817-1820.
[15] CAI Y H,TAKALA V,PIETIKAINEN M.Matching groups of people by covariance descriptor[C]//The 20th International Conference on Pattern Recognition,Istanbul,Turkey, 2010: 2744-2747.
[16] PORIKLI F,TUZEL O,MEER P.Covariance tracking using model update based on means on Riemannian ma-nifolds[C]//IEEE Conference on Computer Vision and Pattern Recognition,New York,USA,2006: 728-735.
[17] LI P H,WU G L.Iris recognition using ordinal encoding of Log-Euclidean covariance matrices[C]//The 21st International Conference on Pattern Recognition,Tsukuba, Japan,2012: 2420-2423.
[19] FRSTNER W,MOONEN B.A metric for covariance matrices[R].Dept.of Geodesy and Geoinformatics,Stuttgart University,1999.
[20] VIOLA P,JONES M.Rapid object detection using a boosted cascade of simple features[C]//IEEE Computer Society Conference on Computer Vision and Pattern Recognition,2001: 511-518.