[3] | 1 | // ATROUS.CC |
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| 2 | // Functions necessary for the reconstruction routines. |
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[139] | 3 | #include <iostream> |
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| 4 | #include <sstream> |
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| 5 | #include <duchamp.hh> |
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[3] | 6 | #include <ATrous/atrous.hh> |
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| 7 | #include <math.h> |
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| 8 | |
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| 9 | Filter::Filter() |
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| 10 | { |
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| 11 | this->sigmaFactors.resize(3); |
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| 12 | for(int i=0;i<3;i++) this->sigmaFactors[i] = new vector<double>(20); |
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[188] | 13 | this->loadSpline(); |
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[3] | 14 | } |
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[220] | 15 | //----------------------------------------------------------------------- |
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[3] | 16 | |
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[220] | 17 | Filter::~Filter() |
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| 18 | { |
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| 19 | filter1D.clear(); |
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| 20 | maxNumScales.clear(); |
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| 21 | sigmaFactors.clear(); |
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| 22 | } |
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| 23 | //----------------------------------------------------------------------- |
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[3] | 24 | |
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| 25 | void Filter::define(int filtercode) |
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| 26 | { |
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| 27 | switch(filtercode) |
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| 28 | { |
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| 29 | case 2: |
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| 30 | this->loadTriangle(); |
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| 31 | break; |
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| 32 | case 3: |
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| 33 | this->loadHaar(); |
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| 34 | break; |
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| 35 | case 4: |
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| 36 | // this->loadTopHat(); |
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| 37 | case 1: |
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| 38 | default: |
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| 39 | if(filtercode!=1){ |
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[139] | 40 | if(filtercode==4) { |
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| 41 | std::stringstream errmsg; |
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| 42 | errmsg << "TopHat Wavelet not being used currently." |
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| 43 | << "Using B3 spline instead.\n"; |
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| 44 | duchampWarning("Filter::define", errmsg.str()); |
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| 45 | } |
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| 46 | else { |
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| 47 | std::stringstream errmsg; |
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| 48 | errmsg << "Filter code " << filtercode << " undefined. Using B3 spline.\n"; |
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| 49 | duchampWarning("Filter::define", errmsg.str()); |
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| 50 | } |
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[3] | 51 | } |
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| 52 | this->loadSpline(); |
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| 53 | break; |
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| 54 | } |
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| 55 | |
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| 56 | } |
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[220] | 57 | //----------------------------------------------------------------------- |
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[3] | 58 | |
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[220] | 59 | int Filter::getNumScales(long length) |
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| 60 | { |
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| 61 | switch(this->filter1D.size()){ |
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| 62 | case 5: |
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| 63 | return int(log(double(length-1))/M_LN2) - 1; |
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| 64 | break; |
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| 65 | case 3: |
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| 66 | return int(log(double(length-1))/M_LN2); |
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| 67 | break; |
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| 68 | default: |
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| 69 | return 1 + int(log(double(length-1)/double(this->filter1D.size()-1))/M_LN2); |
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| 70 | break; |
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| 71 | } |
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| 72 | } |
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| 73 | //----------------------------------------------------------------------- |
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| 74 | |
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| 75 | int Filter::getMaxSize(int scale) |
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| 76 | { |
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| 77 | switch(this->filter1D.size()){ |
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| 78 | case 5: |
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| 79 | return int(pow(2,scale+1)) + 1; |
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| 80 | break; |
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| 81 | case 3: |
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| 82 | return int(pow(2,scale)) + 1; |
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| 83 | break; |
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| 84 | default: |
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| 85 | return int(pow(2,scale-1))*(this->filter1D.size()-1) + 1; |
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| 86 | break; |
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| 87 | } |
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| 88 | } |
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| 89 | //----------------------------------------------------------------------- |
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| 90 | |
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[3] | 91 | void Filter::loadSpline() |
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| 92 | { |
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| 93 | double filter[5] = {0.0625, 0.25, 0.375, 0.25, 0.0625}; |
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| 94 | this->name = "B3 spline function"; |
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| 95 | this->filter1D.resize(5); |
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| 96 | for(int i=0;i<5;i++) this->filter1D[i] = filter[i]; |
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| 97 | this->sigmaFactors.resize(3); |
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| 98 | this->maxNumScales.resize(3); |
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| 99 | |
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| 100 | this->maxNumScales[0] = 18; |
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| 101 | double sigmaFactors1D[19] = {1.00000000000,7.23489806e-1,2.85450405e-1,1.77947535e-1, |
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| 102 | 1.22223156e-1,8.58113122e-2,6.05703043e-2,4.28107206e-2, |
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| 103 | 3.02684024e-2,2.14024008e-2,1.51336781e-2,1.07011079e-2, |
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| 104 | 7.56682272e-3,5.35055108e-3,3.78341085e-3,2.67527545e-3, |
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| 105 | 1.89170541e-3,1.33763772e-3,9.45852704e-4}; |
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| 106 | this->sigmaFactors[0]->resize(19); |
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| 107 | for(int i=0;i<19;i++)(*this->sigmaFactors[0])[i] = sigmaFactors1D[i]; |
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| 108 | |
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| 109 | this->maxNumScales[1] = 11; |
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| 110 | double sigmaFactors2D[12] = {1.00000000000,8.90796310e-1,2.00663851e-1,8.55075048e-2, |
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| 111 | 4.12474444e-2,2.04249666e-2,1.01897592e-2,5.09204670e-3, |
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| 112 | 2.54566946e-3,1.27279050e-3,6.36389722e-4,3.18194170e-4}; |
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| 113 | this->sigmaFactors[1]->resize(12); |
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| 114 | for(int i=0;i<12;i++)(*this->sigmaFactors[1])[i] = sigmaFactors2D[i]; |
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| 115 | |
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| 116 | this->maxNumScales[2] = 7; |
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| 117 | double sigmaFactors3D[8] = {1.00000000000,9.56543592e-1,1.20336499e-1,3.49500154e-2, |
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| 118 | 1.18164242e-2,4.13233507e-3,1.45703714e-3,5.14791120e-4}; |
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| 119 | this->sigmaFactors[2]->resize(8); |
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| 120 | for(int i=0;i<12;i++)(*this->sigmaFactors[2])[i] = sigmaFactors3D[i]; |
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| 121 | } |
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[220] | 122 | //----------------------------------------------------------------------- |
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[3] | 123 | |
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| 124 | void Filter::loadTriangle() |
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| 125 | { |
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| 126 | double filter[3] = {1./4., 1./2., 1./4.}; |
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| 127 | this->filter1D.resize(3); |
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| 128 | for(int i=0;i<3;i++) this->filter1D[i] = filter[i]; |
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| 129 | this->name = "Triangle function"; |
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| 130 | this->sigmaFactors.resize(3); |
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| 131 | this->maxNumScales.resize(3); |
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| 132 | |
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| 133 | this->maxNumScales[0] = 18; |
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| 134 | double sigmaFactors1D[19] = {1.00000000000,6.12372436e-1,3.30718914e-1,2.11947812e-1, |
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| 135 | 1.45740298e-1,1.02310944e-1,7.22128185e-2,5.10388224e-2, |
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| 136 | 3.60857673e-2,2.55157615e-2,1.80422389e-2,1.27577667e-2, |
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| 137 | 9.02109930e-3,6.37887978e-3,4.51054902e-3,3.18942978e-3, |
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| 138 | 2.25527449e-3,1.59471988e-3,1.12763724e-4}; |
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| 139 | this->sigmaFactors[0]->resize(19); |
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| 140 | for(int i=0;i<19;i++)(*this->sigmaFactors[0])[i] = sigmaFactors1D[i]; |
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| 141 | |
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| 142 | this->maxNumScales[1] = 12; |
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| 143 | double sigmaFactors2D[13] = {1.00000000000,8.00390530e-1,2.72878894e-1,1.19779282e-1, |
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| 144 | 5.77664785e-2,2.86163283e-2,1.42747506e-2,7.13319703e-3, |
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| 145 | 3.56607618e-3,1.78297280e-3,8.91478237e-4,4.45738098e-4, |
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| 146 | 2.22868922e-4}; |
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| 147 | this->sigmaFactors[1]->resize(13); |
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| 148 | for(int i=0;i<12;i++)(*this->sigmaFactors[1])[i] = sigmaFactors2D[i]; |
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| 149 | |
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| 150 | this->maxNumScales[2] = 8; |
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| 151 | double sigmaFactors3D[9] = {1.00000000000,8.959544490e-1,1.92033014e-1,5.76484078e-2, |
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| 152 | 1.94912393e-2,6.812783870e-3,2.40175885e-3,8.48538128e-4, |
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| 153 | 2.99949455e-4}; |
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| 154 | this->sigmaFactors[2]->resize(9); |
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| 155 | for(int i=0;i<12;i++)(*this->sigmaFactors[2])[i] = sigmaFactors3D[i]; |
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| 156 | } |
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[220] | 157 | //----------------------------------------------------------------------- |
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[3] | 158 | |
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| 159 | void Filter::loadHaar() |
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| 160 | { |
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| 161 | double filter[3] = {0., 1./2., 1./2.}; |
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| 162 | this->name = "Haar wavelet"; |
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| 163 | this->filter1D.resize(3); |
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| 164 | for(int i=0;i<3;i++) this->filter1D[i] = filter[i]; |
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| 165 | this->sigmaFactors.resize(3); |
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| 166 | this->maxNumScales.resize(3); |
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| 167 | |
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| 168 | this->maxNumScales[0] = 6; |
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| 169 | double sigmaFactors1D[7] = {1.00000000000,7.07167810e-1,5.00000000e-1,3.53553391e-1, |
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| 170 | 2.50000000e-1,1.76776695e-1,1.25000000e-1}; |
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| 171 | this->sigmaFactors[0]->resize(7); |
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| 172 | for(int i=0;i<19;i++)(*this->sigmaFactors[0])[i] = sigmaFactors1D[i]; |
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| 173 | |
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| 174 | this->maxNumScales[1] = 6; |
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| 175 | double sigmaFactors2D[7] = {1.00000000000,4.33012702e-1,2.16506351e-1,1.08253175e-1, |
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| 176 | 5.41265877e-2,2.70632939e-2,1.35316469e-2}; |
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| 177 | this->sigmaFactors[1]->resize(7); |
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| 178 | for(int i=0;i<12;i++)(*this->sigmaFactors[1])[i] = sigmaFactors2D[i]; |
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| 179 | |
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| 180 | this->maxNumScales[2] = 8; |
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| 181 | double sigmaFactors3D[9] = {1.00000000000,9.35414347e-1,3.30718914e-1,1.16926793e-1, |
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| 182 | 4.13398642e-2,1.46158492e-2,5.16748303e-3,1.82698115e-3, |
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| 183 | 6.45935379e-4}; |
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| 184 | this->sigmaFactors[2]->resize(9); |
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| 185 | for(int i=0;i<12;i++)(*this->sigmaFactors[2])[i] = sigmaFactors3D[i]; |
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| 186 | } |
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