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4680 | right-hear | 1 | /* |
2 | * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium |
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3 | * Copyright (c) 2002-2007, Professor Benoit Macq |
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4 | * Copyright (c) 2001-2003, David Janssens |
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5 | * Copyright (c) 2002-2003, Yannick Verschueren |
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6 | * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe |
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7 | * Copyright (c) 2005, Herve Drolon, FreeImage Team |
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8 | * All rights reserved. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * 1. Redistributions of source code must retain the above copyright |
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14 | * notice, this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright |
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16 | * notice, this list of conditions and the following disclaimer in the |
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17 | * documentation and/or other materials provided with the distribution. |
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18 | * |
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19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
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20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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29 | * POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
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31 | |||
32 | #ifndef __MCT_H |
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33 | #define __MCT_H |
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34 | /** |
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35 | @file mct.h |
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36 | @brief Implementation of a multi-component transforms (MCT) |
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37 | |||
38 | The functions in MCT.C have for goal to realize reversible and irreversible multicomponent |
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39 | transform. The functions in MCT.C are used by some function in TCD.C. |
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40 | */ |
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41 | |||
42 | /** @defgroup MCT MCT - Implementation of a multi-component transform */ |
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43 | /*@{*/ |
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44 | |||
45 | /** @name Exported functions */ |
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46 | /*@{*/ |
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47 | /* ----------------------------------------------------------------------- */ |
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48 | /** |
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49 | Apply a reversible multi-component transform to an image |
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50 | @param c0 Samples for red component |
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51 | @param c1 Samples for green component |
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52 | @param c2 Samples blue component |
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53 | @param n Number of samples for each component |
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54 | */ |
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55 | void mct_encode(int *c0, int *c1, int *c2, int n); |
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56 | /** |
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57 | Apply a reversible multi-component inverse transform to an image |
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58 | @param c0 Samples for luminance component |
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59 | @param c1 Samples for red chrominance component |
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60 | @param c2 Samples for blue chrominance component |
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61 | @param n Number of samples for each component |
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62 | */ |
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63 | void mct_decode(int *c0, int *c1, int *c2, int n); |
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64 | /** |
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65 | Get norm of the basis function used for the reversible multi-component transform |
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66 | @param compno Number of the component (0->Y, 1->U, 2->V) |
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67 | @return |
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68 | */ |
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69 | double mct_getnorm(int compno); |
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70 | |||
71 | /** |
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72 | Apply an irreversible multi-component transform to an image |
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73 | @param c0 Samples for red component |
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74 | @param c1 Samples for green component |
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75 | @param c2 Samples blue component |
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76 | @param n Number of samples for each component |
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77 | */ |
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78 | void mct_encode_real(int *c0, int *c1, int *c2, int n); |
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79 | /** |
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80 | Apply an irreversible multi-component inverse transform to an image |
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81 | @param c0 Samples for luminance component |
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82 | @param c1 Samples for red chrominance component |
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83 | @param c2 Samples for blue chrominance component |
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84 | @param n Number of samples for each component |
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85 | */ |
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86 | void mct_decode_real(float* c0, float* c1, float* c2, int n); |
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87 | /** |
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88 | Get norm of the basis function used for the irreversible multi-component transform |
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89 | @param compno Number of the component (0->Y, 1->U, 2->V) |
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90 | @return |
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91 | */ |
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92 | double mct_getnorm_real(int compno); |
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93 | /* ----------------------------------------------------------------------- */ |
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94 | /*@}*/ |
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95 | |||
96 | /*@}*/ |
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97 | |||
98 | #endif /* __MCT_H */ |