Lines Matching defs: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 );