ChangeDetector.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 ChangeDetector {
  DataPatch<float> *data_patch;
  DataPatch<unsigned char> *change_patch;
  void calculate();

 public:
  int nr_lines;
  int nr_pixels;
  float no_data;

  int change_type;  // 0: ratio; 1: difference
  float change_th;  

  int window_size;  // default 3;
  int iterations;   // default 3
  int max_change;   

  void basic_init();
  ~ChangeDetector();
  ChangeDetector(int nr_lines, int nr_pixels, float no_data, DataPatch<float> *data_patch, 
                 int change_type, float change_th, int window, int iter);

  unsigned char **get_change_data() { return change_patch->get_data_lines_ptr(); }
  float **get_data() { return data_patch->get_data_lines_ptr(); }
  
};