ThresHold.cpp

#include <stdio.h>
#include <iostream>
#include <stdlib.h>

#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include "opencv2/imgproc/imgproc.hpp"
#include <opencv/cv.h>

using namespace cv;
using namespace std;

Mat src,scr_gris,dst,dst2;
int TipoDeUmbral = 0;
int maxUmbral = 6;
int thresholdValue =  0;
int thresholdValue2 = 255;
int maxThreshold = 255;
int maxBinaryValue = 255;


void CalcularUmbral(int,void*);

int main(int argc, char *argv[]){

    src = imread("/home/eduardo/Imágenes/GrayScale.png",1);
    if(!src.data){
        cout<<"NO SE CARGO LA IMAGEN"<<endl;
    }
    cvtColor(src,scr_gris,CV_BGR2GRAY);
    namedWindow("Umbral",WINDOW_AUTOSIZE);

    createTrackbar("TipoDeUmbral", "Umbral",&TipoDeUmbral,  maxUmbral,   CalcularUmbral);
    createTrackbar("ThresholValue","Umbral",&thresholdValue,maxThreshold,CalcularUmbral);
    createTrackbar("ThresholValue2","Umbral",&thresholdValue2,maxThreshold,CalcularUmbral);
    CalcularUmbral(0,0);
    int c;
    while (true) {
        CalcularUmbral(0,0);
        c = waitKey(20);
        if((char)c == 27){
            break;
        }
    }

}

void CalcularUmbral(int,void*){

    switch (TipoDeUmbral) {
    case 0:
        threshold(scr_gris, dst, thresholdValue, maxBinaryValue,CV_THRESH_BINARY);
        break;
    case 1:
        threshold(scr_gris, dst, thresholdValue, maxBinaryValue,CV_THRESH_BINARY_INV);
        break;
    case 2:
        threshold(scr_gris, dst, thresholdValue, maxBinaryValue,CV_THRESH_TRUNC);
        break;
    case 3:
        threshold(scr_gris, dst, thresholdValue, maxBinaryValue,CV_THRESH_TOZERO);
        break;
    case 4:
        threshold(scr_gris, dst, thresholdValue, maxBinaryValue,CV_THRESH_TOZERO_INV);
        break;
    case 5:

        threshold(scr_gris, dst, thresholdValue, maxBinaryValue,CV_THRESH_BINARY);
        threshold(scr_gris, dst2, thresholdValue2, maxBinaryValue,CV_THRESH_BINARY_INV);
        dst &= dst2;
        break;
    case 6:
        threshold(scr_gris, dst, 0, maxBinaryValue,CV_THRESH_BINARY|CV_THRESH_OTSU);
        break;
    default:
        break;
    }

    imshow("Umbral",dst);

}