| /* |
| * principal component analysis (PCA) |
| * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * principal component analysis (PCA) |
| */ |
| |
| #ifndef AVUTIL_PCA_H |
| #define AVUTIL_PCA_H |
| |
| struct PCA *ff_pca_init(int n); |
| void ff_pca_free(struct PCA *pca); |
| void ff_pca_add(struct PCA *pca, const double *v); |
| int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue); |
| |
| #endif /* AVUTIL_PCA_H */ |
