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