Point Cloud Library (PCL)  1.3.1
integral_image_2d.h
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00001 /*
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00035 
00036 /* \author Stefan Holzer */
00037 
00038 #ifndef PCL_INTEGRAL_IMAGE_2D_H_
00039 #define PCL_INTEGRAL_IMAGE_2D_H_
00040 
00041 #include <vector>
00042 
00043 namespace pcl
00044 {
00045 
00050   template <class DataType, class IIDataType>
00051   class IntegralImage2D
00052   {
00053     public: // functions
00054     
00067       IntegralImage2D (DataType * data,
00068                        const int width,
00069                        const int height,
00070                        const int dimensions,
00071                        const bool compute_second_order_integral_images, 
00072                        const int element_stride, const int row_stride);
00074       virtual ~IntegralImage2D ();
00075 
00079       IIDataType getSum (const int start_x, const int start_y, 
00080                          const int width,   const int height, 
00081                          const int dimension_index);
00082 
00087       IIDataType getSum (const int start_x, const int start_y,
00088                          const int width,   const int height, 
00089                          const int dimension_index_1, const int dimension_index_2);
00090 
00091     protected: // functions
00092     
00094       void 
00095       computeIntegralImages (DataType * data);
00096       
00098       void 
00099       computeIntegralImagesOneDimensional (DataType * data);
00100 
00101     protected: // data
00102     
00104       int width_;
00106       int height_;
00108       int dimensions_;
00110       int element_stride_;
00112       int row_stride_;
00114       bool are_second_order_ii_available_;
00115 
00117       std::vector <IIDataType *> first_order_integral_images_;
00119       std::vector <std::vector <IIDataType*> > second_order_integral_images_;
00120   };
00121 
00122 }
00123 
00124 #include <pcl/features/impl/integral_image_2d.hpp>
00125 
00126 #endif
00127 
00128 
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