Lines Matching defs:diff
224 CvMat diff, expo;
241 diff = cvMat( 1, dims, CV_64FC1, (double*)buffer + nclusters );
263 diff.data.db[i] = sample_data[i] - mean_k[i];
265 cvGEMM( &diff, u, 1, 0, 0, &diff, CV_GEMM_B_T );
268 double val = diff.data.db[i];
