/**

* OpenCV Threshold Example

*

* Copyright 2015 by Satya Mallick <[email protected]>

*

**/

#include "opencv2/opencv.hpp"

using namespace cv;

using namespace std;

int main( int argc, char** argv )

{

// Read image

Mat src = imread("threshold.png", IMREAD_GRAYSCALE);

Mat dst;

// Basic threhold example

threshold(src,dst,0, 255, THRESH_BINARY);

imwrite("opencv-threshold-example.jpg", dst);

// Thresholding with maxval set to 128

threshold(src, dst, 0, 128, THRESH_BINARY);

imwrite("opencv-thresh-binary-maxval.jpg", dst);

// Thresholding with threshold value set 127

threshold(src,dst,127,255, THRESH_BINARY);

imwrite("opencv-thresh-binary.jpg", dst);

// Thresholding using THRESH_BINARY_INV

threshold(src,dst,127,255, THRESH_BINARY_INV);

imwrite("opencv-thresh-binary-inv.jpg", dst);

// Thresholding using THRESH_TRUNC

threshold(src,dst,127,255, THRESH_TRUNC);

imwrite("opencv-thresh-trunc.jpg", dst);

// Thresholding using THRESH_TOZERO

threshold(src,dst,127,255, THRESH_TOZERO);

imwrite("opencv-thresh-tozero.jpg", dst);

// Thresholding using THRESH_TOZERO_INV

threshold(src,dst,127,255, THRESH_TOZERO_INV);

imwrite("opencv-thresh-to-zero-inv.jpg", dst);

}