1 | #include <iostream> |
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2 | #include <math.h> |
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3 | #include <param.hh> |
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4 | #include <ATrous/atrous.hh> |
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5 | #include <Utils/utils.hh> |
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6 | |
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7 | /***********************************************************************/ |
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8 | ///// 1-DIMENSIONAL TRANSFORM |
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9 | /***********************************************************************/ |
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10 | |
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11 | // template <class T> |
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12 | // void atrousTransform(long &length, T *&spectrum, T *&coeffs, T *&wavelet) |
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13 | // { |
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14 | // int filterHW = filterwidth/2; |
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15 | // int numScales = getNumScales(length); |
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16 | |
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17 | // delete [] coeffs; |
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18 | // coeffs = new T[(numScales+1)*length]; |
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19 | // delete [] wavelet; |
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20 | // wavelet = new T[(numScales+1)*length]; |
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21 | // for(int i=0;i<length;i++) coeffs[i] = wavelet[i] = spectrum[i]; |
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22 | |
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23 | // int spacing = 1; |
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24 | // for(int scale = 0; scale<numScales; scale++){ |
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25 | |
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26 | // for(int pos = 0; pos<length; pos++){ |
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27 | // coeffs[(scale+1)*length+pos] = 0; |
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28 | // for(int offset=-filterHW; offset<=filterHW; offset++){ |
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29 | // int x = pos + spacing*offset; |
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30 | // if(x<0) x = -x; // boundary conditions are |
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31 | // if(x>=length) x = 2*(length-1) - x; // reflection. |
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32 | // // if(x<0) x = x+length; // boundary conditions are |
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33 | // // if(x>=length) x = x-length; // continuous. |
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34 | |
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35 | // coeffs[(scale+1)*length+pos] += filter1D[offset+filterHW] * |
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36 | // coeffs[scale*length+x]; |
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37 | // } |
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38 | // wavelet[(scale+1)*length+pos] = coeffs[scale*length+pos] - |
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39 | // coeffs[(scale+1)*length+pos]; |
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40 | // } |
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41 | |
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42 | // spacing *= 2; |
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43 | |
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44 | // } |
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45 | |
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46 | // } |
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47 | |
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48 | |
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49 | void atrousTransform(long &length, int &numScales, float *spectrum, double *coeffs, double *wavelet, Param &par) |
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50 | { |
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51 | Filter reconFilter = par.filter(); |
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52 | int filterHW = reconFilter.width()/2; |
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53 | |
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54 | for(int i=0;i<length;i++) coeffs[i] = wavelet[i] = spectrum[i]; |
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55 | |
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56 | int spacing = 1; |
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57 | for(int scale = 0; scale<numScales; scale++){ |
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58 | |
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59 | for(int pos = 0; pos<length; pos++){ |
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60 | coeffs[(scale+1)*length+pos] = 0; |
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61 | for(int offset=-filterHW; offset<=filterHW; offset++){ |
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62 | int x = pos + spacing*offset; |
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63 | if(x<0) x = -x; // boundary conditions are |
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64 | if(x>=length) x = 2*(length-1) - x; // reflection. |
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65 | // if(x<0) x = x+length; // boundary conditions are |
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66 | // if(x>=length) x = x-length; // continuous. |
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67 | |
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68 | // coeffs[(scale+1)*length+pos] += filter1D[offset+filterHW] * |
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69 | // coeffs[scale*length+x]; |
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70 | coeffs[(scale+1)*length+pos] += reconFilter.coeff(offset+filterHW) * |
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71 | coeffs[scale*length+x]; |
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72 | } |
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73 | wavelet[(scale+1)*length+pos] = coeffs[scale*length+pos] - |
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74 | coeffs[(scale+1)*length+pos]; |
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75 | } |
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76 | |
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77 | spacing *= 2; |
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78 | |
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79 | } |
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80 | |
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81 | } |
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82 | |
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83 | void atrousTransform(long &length, float *spectrum, float *coeffs, float *wavelet, Param &par) |
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84 | { |
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85 | Filter reconFilter = par.filter(); |
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86 | int filterHW = reconFilter.width()/2; |
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87 | int numScales = reconFilter.getNumScales(length); |
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88 | |
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89 | delete [] coeffs; |
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90 | coeffs = new float[(numScales+1)*length]; |
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91 | delete [] wavelet; |
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92 | wavelet = new float[(numScales+1)*length]; |
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93 | for(int i=0;i<length;i++) coeffs[i] = wavelet[i] = spectrum[i]; |
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94 | |
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95 | int spacing = 1; |
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96 | for(int scale = 0; scale<numScales; scale++){ |
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97 | |
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98 | for(int pos = 0; pos<length; pos++){ |
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99 | coeffs[(scale+1)*length+pos] = 0; |
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100 | for(int offset=-filterHW; offset<=filterHW; offset++){ |
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101 | int x = pos + spacing*offset; |
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102 | if(x<0) x = -x; // boundary conditions are |
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103 | if(x>=length) x = 2*(length-1) - x; // reflection. |
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104 | // if(x<0) x = x+length; // boundary conditions are |
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105 | // if(x>=length) x = x-length; // continuous. |
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106 | |
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107 | // coeffs[(scale+1)*length+pos] += filter1D[offset+filterHW] * |
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108 | // coeffs[scale*length+x]; |
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109 | coeffs[(scale+1)*length+pos] += reconFilter.coeff(offset+filterHW) * |
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110 | coeffs[scale*length+x]; |
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111 | } |
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112 | wavelet[(scale+1)*length+pos] = coeffs[scale*length+pos] - |
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113 | coeffs[(scale+1)*length+pos]; |
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114 | } |
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115 | |
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116 | spacing *= 2; |
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117 | |
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118 | } |
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119 | |
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120 | } |
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121 | |
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122 | |
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123 | |
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124 | |
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125 | /***********************************************************************/ |
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126 | ///// 2-DIMENSIONAL TRANSFORM |
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127 | /***********************************************************************/ |
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128 | |
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129 | void atrousTransform2D(long &xdim, long &ydim, int &numScales, float *input, double *coeffs, double *wavelet, Param &par) |
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130 | { |
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131 | Filter reconFilter = par.filter(); |
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132 | bool flagBlank=par.getFlagBlankPix(); |
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133 | float blankPixValue = par.getBlankPixVal(); |
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134 | int filterHW = reconFilter.width()/2; |
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135 | |
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136 | double *filter = new double[reconFilter.width()*reconFilter.width()]; |
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137 | for(int i=0;i<reconFilter.width();i++){ |
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138 | for(int j=0;j<reconFilter.width();j++){ |
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139 | filter[i*reconFilter.width()+j] = reconFilter.coeff(i) * reconFilter.coeff(j); |
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140 | } |
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141 | } |
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142 | |
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143 | long size = xdim * ydim; |
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144 | float *oldcoeffs = new float[size]; |
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145 | |
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146 | // locating the borders of the image -- ignoring BLANK pixels |
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147 | // int xLim1=0, yLim1=0, xLim2=xdim-1, yLim2=ydim-1; |
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148 | // for(int row=0;row<ydim;row++){ |
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149 | // while((xLim1<xLim2)&&(input[row*xdim+xLim1]==blankPixValue)) xLim1++; |
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150 | // while((xLim2>xLim1)&&(input[row*xdim+xLim1]==blankPixValue)) xLim2--; |
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151 | // } |
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152 | // for(int col=0;col<xdim;col++){ |
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153 | // while((yLim1<yLim2)&&(input[col+xdim*yLim1]==blankPixValue)) yLim1++; |
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154 | // while((yLim2>yLim1)&&(input[col+xdim*yLim1]==blankPixValue)) yLim2--; |
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155 | // } |
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156 | // std::cerr << "X Limits: "<<xLim1<<" "<<xLim2<<std::endl; |
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157 | // std::cerr << "Y Limits: "<<yLim1<<" "<<yLim2<<std::endl; |
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158 | |
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159 | int *xLim1 = new int[ydim]; |
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160 | int *yLim1 = new int[xdim]; |
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161 | int *xLim2 = new int[ydim]; |
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162 | int *yLim2 = new int[xdim]; |
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163 | for(int row=0;row<ydim;row++){ |
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164 | int ct1 = 0; |
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165 | int ct2 = xdim - 1; |
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166 | while((ct1<ct2)&&(input[row*xdim+ct1]==blankPixValue) ) ct1++; |
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167 | while((ct2>ct1)&&(input[row*xdim+ct2]==blankPixValue) ) ct2--; |
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168 | xLim1[row] = ct1; |
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169 | xLim2[row] = ct2; |
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170 | std::cerr<<row<<":"<<xLim1[row]<<","<<xLim2[row]<<" "; |
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171 | } |
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172 | std::cerr<<std::endl; |
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173 | |
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174 | for(int col=0;col<xdim;col++){ |
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175 | int ct1=0; |
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176 | int ct2=ydim-1; |
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177 | while((ct1<ct2)&&(input[col+xdim*ct1]==blankPixValue) ) ct1++; |
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178 | while((ct2>ct1)&&(input[col+xdim*ct2]==blankPixValue) ) ct2--; |
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179 | yLim1[col] = ct1; |
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180 | yLim2[col] = ct2; |
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181 | } |
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182 | |
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183 | |
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184 | bool *isGood = new bool[size]; |
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185 | for(int pos=0;pos<size;pos++) //isGood[pos] = (!flagBlank) || (input[pos]!=blankPixValue); |
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186 | isGood[pos] = !par.isBlank(input[pos]); |
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187 | |
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188 | for(int i=0;i<size;i++) coeffs[i] = wavelet[i] = input[i]; |
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189 | |
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190 | int spacing = 1; |
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191 | for(int scale = 0; scale<numScales; scale++){ |
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192 | |
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193 | for(int i=0;i<size;i++) oldcoeffs[i] = coeffs[i]; |
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194 | |
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195 | //std::cerr << numScales<<" "<<scale<<" "<<spacing<<" "<<reconFilter.width()*spacing<<std::endl; |
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196 | for(int ypos = 0; ypos<ydim; ypos++){ |
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197 | for(int xpos = 0; xpos<xdim; xpos++){ |
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198 | // loops over each pixel in the image |
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199 | int pos = ypos*xdim + xpos; |
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200 | coeffs[pos] = 0; |
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201 | |
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202 | // if((par.getFlagBlankPix())&&(oldcoeffs[pos] == blankPixValue) ) |
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203 | if(par.isBlank(oldcoeffs[pos]) ) |
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204 | coeffs[pos] = oldcoeffs[pos]; |
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205 | else{ |
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206 | for(int yoffset=-filterHW; yoffset<=filterHW; yoffset++){ |
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207 | int y = ypos + spacing*yoffset; |
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208 | int newy; |
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209 | // if(y<0) y = -y; // boundary conditions are |
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210 | // if(y>=ydim) y = 2*(ydim-1) - y; // reflection. |
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211 | // while((y<yLim1)||(y>yLim2)){ |
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212 | // if(y<yLim1) y = 2*yLim1 - y; // boundary conditions are |
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213 | // if(y>yLim2) y = 2*yLim2 - y; // reflection. |
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214 | // } |
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215 | // boundary conditions are reflection. |
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216 | |
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217 | for(int xoffset=-filterHW; xoffset<=filterHW; xoffset++){ |
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218 | int x = xpos + spacing*xoffset; |
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219 | int newx; |
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220 | //if(x<0) x = -x; // boundary conditions are |
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221 | // if(x>=xdim) x = 2*(xdim-1) - x; // reflection. |
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222 | //while((x<xLim1)||(x>xLim2)){ |
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223 | // if(x<xLim1) x = 2*xLim1 - x; // boundary conditions are |
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224 | // if(x>xLim2) x = 2*xLim2 - x; // reflection. |
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225 | // } |
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226 | // boundary conditions are reflection. |
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227 | if(y<yLim1[xpos]) newy = 2*yLim1[xpos] - y; |
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228 | else if(y>yLim2[xpos]) newy = 2*yLim2[xpos] - y; |
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229 | else newy = y; |
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230 | if(x<xLim1[ypos]) newx = 2*xLim1[ypos] - x; |
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231 | else if(x>xLim2[ypos]) newx = 2*xLim2[ypos] - x; |
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232 | else newx=x; |
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233 | |
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234 | x = newx; |
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235 | y = newy; |
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236 | |
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237 | int filterpos = (yoffset+filterHW)*reconFilter.width() + (xoffset+filterHW); |
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238 | int oldpos = y*xdim + x; |
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239 | |
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240 | if(// (x>=0)&&(x<xdim)&&(y>=0)&&(y<ydim)&& |
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241 | (isGood[pos])) |
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242 | coeffs[pos] += filter[filterpos] * oldcoeffs[oldpos]; |
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243 | } |
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244 | } |
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245 | |
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246 | } |
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247 | wavelet[(scale+1)*size+pos] = oldcoeffs[pos] - coeffs[pos]; |
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248 | |
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249 | |
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250 | } |
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251 | } |
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252 | |
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253 | spacing *= 2; |
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254 | |
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255 | } |
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256 | |
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257 | delete [] filter; |
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258 | delete [] oldcoeffs; |
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259 | |
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260 | } |
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261 | |
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262 | // void atrousTransform2D(long &xdim, long &ydim, int &numScales, float *input, double *coeffs, double *wavelet) |
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263 | // { |
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264 | // Filter reconFilter = par.filter(); |
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265 | // int filterHW = reconFilter.width()/2; |
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266 | |
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267 | // double *filter = new double[reconFilter.width()*reconFilter.width()]; |
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268 | // for(int i=0;i<reconFilter.width();i++){ |
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269 | // for(int j=0;j<reconFilter.width();j++){ |
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270 | // filter[i*reconFilter.width()+j] = reconFilter.coeff(i) * reconFilter.coeff(j); |
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271 | // } |
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272 | // } |
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273 | |
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274 | // long size = xdim * ydim; |
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275 | // float *oldcoeffs = new float[size]; |
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276 | |
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277 | // for(int i=0;i<size;i++) coeffs[i] = wavelet[i] = input[i]; |
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278 | |
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279 | |
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280 | // int spacing = 1; |
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281 | // for(int scale = 0; scale<numScales; scale++){ |
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282 | |
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283 | // for(int i=0;i<size;i++) oldcoeffs[i] = coeffs[i]; |
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284 | |
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285 | // std::cerr << numScales<<" "<<scale<<" "<<spacing<<std::endl; |
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286 | // for(int ypos = 0; ypos<ydim; ypos++){ |
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287 | // for(int xpos = 0; xpos<xdim; xpos++){ |
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288 | // // loops over each pixel in the image |
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289 | // int pos = ypos*xdim + xpos; |
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290 | // coeffs[pos] = 0; |
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291 | |
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292 | // for(int yoffset=-filterHW; yoffset<=filterHW; yoffset++){ |
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293 | // int y = ypos + spacing*yoffset; |
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294 | // if(y<0) y = -y; // boundary conditions are |
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295 | // if(y>=ydim) y = 2*(ydim-1) - y; // reflection. |
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296 | |
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297 | // for(int xoffset=-filterHW; xoffset<=filterHW; xoffset++){ |
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298 | // int x = xpos + spacing*xoffset; |
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299 | // if(x<0) x = -x; // boundary conditions are |
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300 | // if(x>=xdim) x = 2*(xdim-1) - x; // reflection. |
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301 | |
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302 | // int filterpos = (yoffset+filterHW)*reconFilter.width() + (xoffset+filterHW); |
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303 | // int oldpos = y*xdim + x; |
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304 | // coeffs[pos] += filter[filterpos] * oldcoeffs[oldpos]; |
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305 | // } |
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306 | // } |
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307 | |
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308 | // wavelet[(scale+1)*size+pos] = oldcoeffs[pos] - coeffs[pos]; |
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309 | |
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310 | // } |
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311 | // } |
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312 | |
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313 | // spacing *= 2; |
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314 | |
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315 | // } |
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316 | |
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317 | // delete [] filter; |
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318 | // delete [] oldcoeffs; |
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319 | |
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320 | // } |
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321 | |
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322 | /***********************************************************************/ |
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323 | ///// 3-DIMENSIONAL TRANSFORM |
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324 | /***********************************************************************/ |
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325 | |
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326 | void atrousTransform3D(long &xdim, long &ydim, long &zdim, int &numScales, float *&input, float *&coeffs, float *&wavelet, Param &par) |
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327 | { |
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328 | Filter reconFilter = par.filter(); |
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329 | float blankPixValue = par.getBlankPixVal(); |
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330 | int filterHW = reconFilter.width()/2; |
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331 | |
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332 | long size = xdim * ydim * zdim; |
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333 | float *oldcoeffs = new float[size]; |
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334 | |
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335 | std::cerr << "%"; |
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336 | int fsize = reconFilter.width()*reconFilter.width()*reconFilter.width(); |
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337 | std::cerr << "%"; |
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338 | double *filter = new double[fsize]; |
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339 | for(int i=0;i<reconFilter.width();i++){ |
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340 | for(int j=0;j<reconFilter.width();j++){ |
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341 | for(int k=0;k<reconFilter.width();k++){ |
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342 | filter[i +j*reconFilter.width() + k*reconFilter.width()*reconFilter.width()] = |
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343 | reconFilter.coeff(i) * reconFilter.coeff(j) * reconFilter.coeff(k); |
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344 | } |
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345 | } |
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346 | } |
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347 | // locating the borders of the image -- ignoring BLANK pixels |
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348 | // HAVE NOT DONE THIS FOR Z --> ASSUMING NO TRIMMING IN SPECTRAL DIRECTION |
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349 | int xLim1 = 0, yLim1 = 0, xLim2 = xdim-1, yLim2 = ydim-1; |
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350 | for(int col=0;col<xdim;col++){ |
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351 | while((yLim1<yLim2)&&(input[col+xdim*yLim1]==blankPixValue) ) yLim1++; |
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352 | while((yLim2>yLim1)&&(input[col+xdim*yLim1]==blankPixValue) ) yLim2--; |
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353 | } |
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354 | for(int row=0;row<ydim;row++){ |
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355 | while((xLim1<xLim2)&&(input[row*xdim+xLim1]==blankPixValue) ) xLim1++; |
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356 | while((xLim2>xLim1)&&(input[row*xdim+xLim1]==blankPixValue) ) xLim2--; |
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357 | } |
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358 | |
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359 | for(int i=0;i<size;i++) coeffs[i] = wavelet[i] = input[i]; |
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360 | |
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361 | int spacing = 1; |
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362 | std::cerr<<xdim<<"x"<<ydim<<"x"<<zdim<<"x"<<numScales; |
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363 | for(int scale = 0; scale<numScales; scale++){ |
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364 | std::cerr << "."; |
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365 | for(int i=0;i<size;i++) oldcoeffs[i] = coeffs[i]; |
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366 | |
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367 | for(int zpos = 0; zpos<zdim; zpos++){ |
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368 | for(int ypos = 0; ypos<ydim; ypos++){ |
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369 | for(int xpos = 0; xpos<xdim; xpos++){ |
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370 | // loops over each pixel in the image |
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371 | int pos = zpos*xdim*ydim + ypos*xdim + xpos; |
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372 | coeffs[pos] = 0; |
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373 | |
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374 | if(par.isBlank(oldcoeffs[pos]) ) |
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375 | coeffs[pos] = oldcoeffs[pos]; |
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376 | else{ |
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377 | for(int zoffset=-filterHW; zoffset<=filterHW; zoffset++){ |
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378 | int z = zpos + spacing*zoffset; |
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379 | if(z<0) z = -z; // boundary conditions are |
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380 | if(z>=zdim) z = 2*(zdim-1) - z; // reflection. |
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381 | |
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382 | for(int yoffset=-filterHW; yoffset<=filterHW; yoffset++){ |
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383 | int y = ypos + spacing*yoffset; |
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384 | //if(y<0) y = -y; // boundary conditions are |
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385 | // if(y>=ydim) y = 2*(ydim-1) - y; // reflection. |
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386 | if(y<yLim1) y = 2*yLim1 - y; // boundary conditions are |
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387 | if(y>yLim2) y = 2*yLim2 - y; // reflection. |
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388 | |
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389 | for(int xoffset=-filterHW; xoffset<=filterHW; xoffset++){ |
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390 | int x = xpos + spacing*xoffset; |
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391 | //if(x<0) x = -x; // boundary conditions are |
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392 | //if(x>=xdim) x = 2*(xdim-1) - x; // reflection. |
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393 | if(x<xLim1) x = 2*xLim1 - x; // boundary conditions are |
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394 | if(x>xLim2) x = 2*xLim2 - x; // reflection. |
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395 | |
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396 | int filterpos = (zoffset+filterHW)*reconFilter.width()*reconFilter.width() + |
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397 | (yoffset+filterHW)*reconFilter.width() + (xoffset+filterHW); |
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398 | int oldpos = z*xdim*ydim + y*xdim + x; |
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399 | |
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400 | if(!par.isBlank(oldcoeffs[oldpos])) |
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401 | coeffs[pos] += filter[filterpos] * oldcoeffs[oldpos]; |
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402 | |
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403 | } |
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404 | } |
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405 | } |
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406 | } |
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407 | |
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408 | wavelet[(scale+1)*size+pos] = oldcoeffs[pos] - coeffs[pos]; |
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409 | |
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410 | } |
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411 | } |
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412 | } |
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413 | |
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414 | spacing *= 2; |
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415 | |
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416 | } |
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417 | std::cerr << "|"; |
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418 | |
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419 | delete [] filter; |
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420 | delete [] oldcoeffs; |
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421 | |
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422 | } |
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423 | |
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424 | |
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425 | // void atrousTransform3D(long &xdim, long &ydim, long &zdim, int &numScales, float *input, float *coeffs, float *wavelet) |
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426 | // { |
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427 | // extern Filter reconFilter; |
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428 | // int filterHW = reconFilter.width()/2; |
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429 | |
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430 | // long size = xdim * ydim * zdim; |
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431 | // float *oldcoeffs = new float[size]; |
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432 | |
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433 | // std::cerr << "%"; |
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434 | // int fsize = reconFilter.width()*reconFilter.width()*reconFilter.width(); |
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435 | // std::cerr << "%"; |
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436 | // double *filter = new double[fsize]; |
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437 | // for(int i=0;i<reconFilter.width();i++){ |
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438 | // for(int j=0;j<reconFilter.width();j++){ |
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439 | // for(int k=0;k<reconFilter.width();k++){ |
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440 | // filter[i +j*reconFilter.width() + k*reconFilter.width()*reconFilter.width()] = |
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441 | // reconFilter.coeff(i) * reconFilter.coeff(j) * reconFilter.coeff(k); |
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442 | // } |
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443 | // } |
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444 | // } |
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445 | |
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446 | // for(int i=0;i<size;i++) coeffs[i] = wavelet[i] = input[i]; |
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447 | |
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448 | // int spacing = 1; |
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449 | // std::cerr<<xdim<<"x"<<ydim<<"x"<<zdim<<"x"<<numScales; |
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450 | // for(int scale = 0; scale<numScales; scale++){ |
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451 | // std::cerr << "."; |
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452 | // for(int i=0;i<size;i++) oldcoeffs[i] = coeffs[i]; |
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453 | |
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454 | // for(int zpos = 0; zpos<zdim; zpos++){ |
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455 | // for(int ypos = 0; ypos<ydim; ypos++){ |
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456 | // for(int xpos = 0; xpos<xdim; xpos++){ |
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457 | // // loops over each pixel in the image |
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458 | // int pos = zpos*xdim*ydim + ypos*xdim + xpos; |
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459 | // coeffs[pos] = 0; |
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460 | |
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461 | // for(int zoffset=-filterHW; zoffset<=filterHW; zoffset++){ |
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462 | // int z = zpos + spacing*zoffset; |
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463 | // if(z<0) z = -z; // boundary conditions are |
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464 | // if(z>=zdim) z = 2*(zdim-1) - z; // reflection. |
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465 | |
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466 | // for(int yoffset=-filterHW; yoffset<=filterHW; yoffset++){ |
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467 | // int y = ypos + spacing*yoffset; |
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468 | // if(y<0) y = -y; // boundary conditions are |
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469 | // if(y>=ydim) y = 2*(ydim-1) - y; // reflection. |
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470 | |
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471 | // for(int xoffset=-filterHW; xoffset<=filterHW; xoffset++){ |
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472 | // int x = xpos + spacing*xoffset; |
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473 | // if(x<0) x = -x; // boundary conditions are |
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474 | // if(x>=xdim) x = 2*(xdim-1) - x; // reflection. |
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475 | |
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476 | // int filterpos = (zoffset+filterHW)*reconFilter.width()*reconFilter.width() + |
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477 | // (yoffset+filterHW)*reconFilter.width() + (xoffset+filterHW); |
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478 | // int oldpos = z*xdim*ydim + y*xdim + x; |
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479 | |
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480 | // coeffs[pos] += filter[filterpos] * oldcoeffs[oldpos]; |
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481 | |
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482 | // } |
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483 | // } |
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484 | // } |
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485 | |
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486 | // wavelet[(scale+1)*size+pos] = oldcoeffs[pos] - coeffs[pos]; |
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487 | |
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488 | // } |
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489 | // } |
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490 | // } |
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491 | |
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492 | // spacing *= 2; |
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493 | |
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494 | // } |
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495 | // std::cerr << "|"; |
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496 | |
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497 | // delete [] filter; |
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498 | // delete [] oldcoeffs; |
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499 | |
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500 | // } |
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501 | |
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502 | |
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