pca.h
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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, double *v);
33 int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue);
34 
35 #endif /* AVUTIL_PCA_H */
PCA
Definition: pca.c:30
v
float v
Definition: avf_showspectrum.c:88
ff_pca_init
struct PCA * ff_pca_init(int n)
Definition: pca.c:38
ff_pca_free
void ff_pca_free(struct PCA *pca)
Definition: pca.c:53
ff_pca_add
void ff_pca_add(struct PCA *pca, double *v)
Definition: pca.c:60
n
n
Definition: genspecsines_sin.m:10
ff_pca
int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue)
Definition: pca.c:72
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