Mercurial > hg > pmhd
diff ffmpeg/libavutil/pca.h @ 11:f445c3017523
new files
author | Yading Song <yading.song@eecs.qmul.ac.uk> |
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date | Sun, 21 Apr 2013 11:16:23 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ffmpeg/libavutil/pca.h Sun Apr 21 11:16:23 2013 +0200 @@ -0,0 +1,35 @@ +/* + * 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, double *v); +int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue); + +#endif /* AVUTIL_PCA_H */