1 | // ----------------------------------------------------------------------- |
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2 | // spectrumDetect.cc: Search a 1D Image for objects. |
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3 | // ----------------------------------------------------------------------- |
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4 | // Copyright (C) 2006, Matthew Whiting, ATNF |
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5 | // |
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6 | // This program is free software; you can redistribute it and/or modify it |
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7 | // under the terms of the GNU General Public License as published by the |
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8 | // Free Software Foundation; either version 2 of the License, or (at your |
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9 | // option) any later version. |
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10 | // |
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11 | // Duchamp is distributed in the hope that it will be useful, but WITHOUT |
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12 | // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 | // for more details. |
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15 | // |
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16 | // You should have received a copy of the GNU General Public License |
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17 | // along with Duchamp; if not, write to the Free Software Foundation, |
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18 | // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA |
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19 | // |
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20 | // Correspondence concerning Duchamp may be directed to: |
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21 | // Internet email: Matthew.Whiting [at] atnf.csiro.au |
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22 | // Postal address: Dr. Matthew Whiting |
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23 | // Australia Telescope National Facility, CSIRO |
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24 | // PO Box 76 |
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25 | // Epping NSW 1710 |
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26 | // AUSTRALIA |
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27 | // ----------------------------------------------------------------------- |
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28 | #include <duchamp/Cubes/cubes.hh> |
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29 | #include <duchamp/PixelMap/Scan.hh> |
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30 | |
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31 | using namespace PixelInfo; |
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32 | |
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33 | enum STATUS { NONOBJECT, OBJECT }; |
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34 | |
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35 | namespace duchamp |
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36 | { |
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37 | |
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38 | std::vector<Scan> Image::spectrumDetect() |
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39 | { |
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40 | /// @details |
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41 | /// A detection algorithm that searches in a single 1-D spectrum. It |
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42 | /// simply scans along the spectrum, storing connected sets of |
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43 | /// detected pixels as Scans, where "detected" means according to the |
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44 | /// Image::isDetection(long,long) function. |
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45 | /// |
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46 | /// When finished a vector of the detected scans is returned. |
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47 | |
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48 | STATUS status; |
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49 | Scan obj; |
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50 | std::vector<Scan> outputlist; |
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51 | bool isObject; |
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52 | |
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53 | status = NONOBJECT; |
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54 | for(int pos=0;pos<(this->axisDim[0]+1);pos++){ |
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55 | |
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56 | if(pos<this->axisDim[0]){ |
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57 | isObject = this->isDetection(pos,0); |
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58 | } |
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59 | else isObject=false; |
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60 | |
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61 | if(isObject){ |
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62 | if(status != OBJECT){ |
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63 | status = OBJECT; |
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64 | obj.define(0, pos, 1); |
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65 | } |
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66 | else obj.growRight(); |
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67 | } |
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68 | else{ |
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69 | if(status == OBJECT){ // if we were on an object and have left |
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70 | if(obj.getXlen() >= this->minSize){ // if it's big enough |
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71 | outputlist.push_back(obj); // add to list. |
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72 | } |
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73 | obj.clear(); |
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74 | } |
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75 | status = NONOBJECT; |
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76 | } |
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77 | |
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78 | } |
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79 | |
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80 | return outputlist; |
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81 | |
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82 | } |
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83 | |
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84 | } |
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