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Lines Matching refs:cov

193             const CvMat* cov = params.covs[k];
194             if( !CV_IS_MAT(cov) ||
195                 CV_MAT_TYPE(cov->type) != CV_32FC1  &&
196                 CV_MAT_TYPE(cov->type) != CV_64FC1 ||
197                 cov->rows != cov->cols || cov->cols != train_data.dims )
250         // cov = u w u'  -->  cov^(-1) = u w^(-1) u'
982             CvMat* cov = covs[k], _mean, _sample;
996             cvZero( cov );
1007                     cvScaleAdd( covs_item, cvRealScalar(p), cov, cov );
1027                     cvSVD( cov, w, cov_rotate_mats[k], 0, CV_SVD_U_T );