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ShapeRec_FeatureDetector.hxx
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1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
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14 // Lesser General Public License for more details.
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18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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22 
23 // File : ShapeRec_FeatureDetector.h
24 // Author : Renaud NEDELEC, Open CASCADE S.A.S.
25 
26 // OpenCV includes
27 #include <cv.h>
28 #include <highgui.h>
29 #include <opencv2/imgproc/imgproc.hpp>
30 #include <opencv2/highgui/highgui.hpp>
31 
32 // Qt
33 #include <QRect>
34 
35 #ifdef WIN32
36  #if defined GEOM_SHAPEREC_EXPORTS || defined GEOMShapeRec_EXPORTS
37  #define GEOM_SHAPEREC_EXPORT __declspec( dllexport )
38  #else
39  #define GEOM_SHAPEREC_EXPORT __declspec( dllimport )
40  #endif
41 #else
42  #define GEOM_SHAPEREC_EXPORT
43 #endif
44 
45 class GEOM_SHAPEREC_EXPORT ShapeRec_Parameters
46 {
47 public:
48  ShapeRec_Parameters();
49  virtual ~ShapeRec_Parameters();
50 
51  int kernelSize;
52  int findContoursMethod;
53 };
54 
55 class GEOM_SHAPEREC_EXPORT ShapeRec_CornersParameters : public ShapeRec_Parameters
56 {
57 public:
58  ShapeRec_CornersParameters();
59  virtual ~ShapeRec_CornersParameters();
60 
61  double qualityLevel;
62  double minDistance;
63  int typeCriteria;
64  int maxIter;
65  double epsilon;
66 };
67 
68 class GEOM_SHAPEREC_EXPORT ShapeRec_CannyParameters : public ShapeRec_Parameters
69 {
70 public:
71  ShapeRec_CannyParameters();
72  virtual ~ShapeRec_CannyParameters();
73 
74  int lowThreshold;
75  int ratio;
76  bool L2gradient;
77 };
78 
79 class GEOM_SHAPEREC_EXPORT ShapeRec_ColorFilterParameters : public ShapeRec_Parameters
80 {
81 public:
82  ShapeRec_ColorFilterParameters();
83  virtual ~ShapeRec_ColorFilterParameters();
84 
85  int smoothSize;
86  int* histSize;
87  int histType;
88  double threshold;
89  double maxThreshold;
90 };
91 
92 class GEOM_SHAPEREC_EXPORT ShapeRec_FeatureDetector
93 {
94 public:
95 
96  typedef std::vector<cv::Point> CvContour;
97  typedef std::vector<std::vector<cv::Point> > CvContoursArray;
98 
99  ShapeRec_FeatureDetector(); // Constructor
100 
101  void SetPath( const std::string& ); // Sets the image path
102  void SetROI( const QRect& ); // Sets a Region Of Interest in the image
103  CvPoint2D32f* GetCorners() { return corners; };
104  CvContoursArray GetContours() { return contours; };
105  std::vector<cv::Vec4i> GetLines() { return lines; };
106  std::vector<cv::Vec4i> GetContoursHierarchy() { return hierarchy; };
107  int GetCornerCount() { return cornerCount; };
108  int GetImgHeight() { return imgHeight; };
109  int GetImgWidth() { return imgWidth; };
110 
111  std::string CroppImage();
112  void ComputeCorners( bool useROI = false, ShapeRec_Parameters* parameters = 0 ); // Detects the corners from the image located at imagePath
113  bool ComputeLines(); // Detects the lines from the image located at imagePath
114  bool ComputeContours( bool useROI = false, ShapeRec_Parameters* parameters = 0 ); // Detects the contours from the image located at imagePath
115 
116 
117 private:
118  std::string imagePath;
119 
120  CvPoint2D32f* corners;
121  int cornerCount;
122 
123  CvContoursArray contours;
124  std::vector<cv::Vec4i> hierarchy;
125  std::vector<cv::Vec4i> lines;
126  int imgHeight;
127  int imgWidth;
128  CvRect rect;
129 };