pcl: integral_image_2d.h Source File

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 
00049   template <class DataType, class IIDataType>
00050   class IntegralImage2D
00051   {
00052     public: // functions
00053     
00066       IntegralImage2D (DataType * data,
00067                        const int width,
00068                        const int height,
00069                        const int dimensions,
00070                        const bool compute_second_order_integral_images, 
00071                        const int element_stride, const int row_stride);
00073       virtual ~IntegralImage2D ();
00074 
00078       IIDataType getSum (const int start_x, const int start_y, 
00079                          const int width,   const int height, 
00080                          const int dimension_index);
00081 
00086       IIDataType getSum (const int start_x, const int start_y,
00087                          const int width,   const int height, 
00088                          const int dimension_index_1, const int dimension_index_2);
00089 
00090     protected: // functions
00091     
00093       void computeIntegralImages (DataType * data);
00095       void computeIntegralImagesOneDimensional (DataType * data);
00096 
00097     protected: // data
00098     
00100       int width_;
00102       int height_;
00104       int dimensions_;
00106       int element_stride_;
00108       int row_stride_;
00110       bool are_second_order_ii_available_;
00111 
00113       std::vector <IIDataType *> first_order_integral_images_;
00115       std::vector <std::vector <IIDataType*> > second_order_integral_images_;
00116   };
00117 
00118 }
00119 
00120 #include <pcl/features/impl/integral_image_2d.hpp>
00121 
00122 #endif
00123 
00124