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POOpenCV: record footage in one window and Display the same video in 2nd window but with contours only
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  1. POOpenCV: record footage in one window and Display the same video in 2nd window but with contours only
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    copied!<p>I want to capture a video and display it on one window and have second window in which contours are displayed simultaneous. I am struggling with how to have the processed video displayed in the second window. Please analyze my code and suggest a solution or indicate where am going wrong maybe give me some directions to an online tutorial or sources. Thanks.</p> <pre><code> #include "iostream" #include&lt;opencv\cv.h&gt; #include&lt;opencv\highgui.h&gt; #include&lt;opencv\ml.h&gt; #include&lt;opencv\cxcore.h&gt; #include &lt;iostream&gt; #include &lt;vector&gt; #include &lt;string&gt; #include &lt;opencv2/core/core.hpp&gt; // Basic OpenCV structures (cv::Mat) #include &lt;opencv2/highgui/highgui.hpp&gt; // Video write using namespace cv; using namespace std; Mat image; Mat image_gray; Mat image_gray2; Mat threshold_output; Mat frame; int thresh=100, max_thresh=255; int main(int argc, char** argv) { //Capture Video VideoCapture capCam(1); if (!capCam.isOpened()){ cout&lt;&lt;"ERROR: Failed to Initialize Camera"&lt;&lt;endl; return 1; } else{ cout&lt;&lt;"Camera Initialized"&lt;&lt;endl; } //Create Window char* ImputFootage = "Source"; namedWindow(ImputFootage, CV_WINDOW_AUTOSIZE); imshow(ImputFootage, frame); char* OutputFootage = "Processed"; namedWindow(OutputFootage, CV_WINDOW_AUTOSIZE); imshow(OutputFootage, frame); while(1){ capCam&gt;&gt; frame; imshow("Source", frame); return(1); if(capCam.read(ImputFootage)){ //Convert Image to gray &amp; blur it cvtColor( image, image_gray, CV_BGR2GRAY ); blur( image_gray, image_gray2, Size(3,3) ); //Threshold Gray&amp;Blur Image threshold(image_gray2, threshold_output, thresh, max_thresh, THRESH_BINARY); //2D Container vector&lt;vector&lt;Point&gt;&gt; contours; //Fnd Countours Points, (Imput Image, Storage, Mode1, Mode2, Offset??) findContours(threshold_output, contours, // a vector of contours CV_RETR_EXTERNAL,// retrieve the external contours CV_CHAIN_APPROX_NONE, Point(0, 0)); // all pixels of each contours // Draw black contours on a white image Mat result(threshold_output.size(),CV_8U,Scalar(255)); drawContours(result,contours, -1, // draw all contours Scalar(0), // in black 2); // with a thickness of 2 } } char CheckForEscKey = waitKey(10); return 1; } </code></pre>
 

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