CannyEdgeDetector.h

// Copyright (c) 2017-, California Institute of Technology ("Caltech"). U.S.
// Government sponsorship acknowledged.
// All rights reserved.
// 
// Author(s):
// 
//  ----------------------------------------------------------------------------
//  Author:  Xiaoqing Wu

#pragma once

#include "Point.h"
#include "constants.h"
#include "DataPatch.h"
#include <complex>
#include <list>
#include <set>
#include <queue>
#include <vector>

using namespace std;

class CannyEdgeDetector {
  //DataPatch<float> *data_patch;
  //DataPatch<float> *edge_patch;
  float **edge;
  void calculate(float **data);

 public:
  int nr_lines;
  int nr_pixels;
  float no_data;

  float low_th;  
  float high_th;  

  int gw_size;      // gaussian window size default 7;
  double gw_sigma;  // default 1

  void basic_init();
  ~CannyEdgeDetector(); 
  CannyEdgeDetector(int nr_lines, int nr_pixels, float no_data, float **data, 
                    float low, float high, int gw, double gw_sigma);
  
  float **get_edge() { return edge; }
//  float **get_data() { return data_patch->get_data_lines_ptr(); }
  
};