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1 #ifndef WANG_COMMON_H
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2 #define WANG_COMMON_H
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3
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4 #include "dwt.h"
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5
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6 typedef struct Subband_data_struct {
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7 double T;
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8 double Cmax;
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9 double beta;
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10 Image_tree tree;
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11 int level;
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12 int type;
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13 int width;
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14 int height;
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15 int size;
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16 Image image;
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17 char** selected;
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18 } *Subband_data;
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19
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20 void init_subbands(Image_tree tree);
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21 Subband_data alloc_subband(int type, Image_tree tree);
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22 void free_subband(Subband_data subband);
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23 void free_subbands();
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24
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25 void set_subband_beta(Subband_data subband, double beta);
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26 void set_subbands_beta(double beta);
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27 void set_subbands_type_beta(int type, double beta);
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28
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29 void calc_subband_threshold(Subband_data subband);
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30 void calc_subbands_threshold();
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31
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32 int subband_coeff_isselected(Subband_data subband, int coeff);
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33 Pixel get_subband_coeff(Subband_data subband, int coeff);
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34 void set_subband_coeff(Subband_data subband, int coeff, Pixel data);
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35
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36 Subband_data select_subband();
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37 int select_subband_coeff_from(Subband_data subband, int from);
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38 int select_subband_coeff(Subband_data subband);
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39 void mark_subband_coeff(Subband_data subband, int coeff);
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40
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41 Pixel figure_orig_coeff(double T, double alpha, double beta, Pixel coeff);
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42
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43 #endif
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