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| 4349 | Serge | 1 | /* |
| 2 | * principal component analysis (PCA) |
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| 3 | * Copyright (c) 2004 Michael Niedermayer |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | /** |
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| 23 | * @file |
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| 24 | * principal component analysis (PCA) |
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| 25 | */ |
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| 26 | |||
| 27 | #ifndef AVUTIL_PCA_H |
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| 28 | #define AVUTIL_PCA_H |
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| 29 | |||
| 30 | struct PCA *ff_pca_init(int n); |
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| 31 | void ff_pca_free(struct PCA *pca); |
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| 32 | void ff_pca_add(struct PCA *pca, double *v); |
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| 33 | int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue); |
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| 34 | |||
| 35 | #endif /* AVUTIL_PCA_H */ |