blob: 992bb2eb25435a822d0fa17a4daa8de5669532fa
1 | /* |
2 | * principal component analysis (PCA) |
3 | * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at> |
4 | * |
5 | * This file is part of FFmpeg. |
6 | * |
7 | * FFmpeg is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU Lesser General Public |
9 | * License as published by the Free Software Foundation; either |
10 | * version 2.1 of the License, or (at your option) any later version. |
11 | * |
12 | * FFmpeg is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | * Lesser General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU Lesser General Public |
18 | * License along with FFmpeg; if not, write to the Free Software |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | */ |
21 | |
22 | /** |
23 | * @file |
24 | * principal component analysis (PCA) |
25 | */ |
26 | |
27 | #ifndef AVUTIL_PCA_H |
28 | #define AVUTIL_PCA_H |
29 | |
30 | struct PCA *ff_pca_init(int n); |
31 | void ff_pca_free(struct PCA *pca); |
32 | void ff_pca_add(struct PCA *pca, const double *v); |
33 | int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue); |
34 | |
35 | #endif /* AVUTIL_PCA_H */ |
36 |