Initial Commit

run.cpp

@@ -0,0 +1,97 @@
+#include <opencv2/core/core.hpp>
+#include <opencv2/highgui/highgui.hpp>
+#include <opencv2/opencv.hpp>
+#include <iostream>
+#include <string>
+#include <vector>
+#include <sstream>
+
+
+using namespace cv;
+using namespace std;
+
+int threshold_value = 70;
+int threshold_type = 0;
+int const max_BINARY_value = 255;
+RNG rng(12345);
+int t = 0;
+
+
+int main(){
+    string filename = "file.avi";
+    VideoCapture capture(filename);
+    Mat frame;
+
+
+    int morph_size = 2;
+    Mat element = getStructuringElement( MORPH_RECT, Size( 2*morph_size + 1, 2*morph_size+1 ), Point( morph_size, morph_size ) );
+
+
+
+    if(!capture.isOpened()){
+     throw "Error when reading steam_avi";
+    }
+
+    namedWindow( "w", 1);
+    for( ; ; ){
+        capture >> frame;
+        Mat tframe = frame;
+        rectangle(tframe, Point(100, 525),Point(715, 550),Scalar(255),2,8,0);
+
+        //Hardcoding Parameters
+        int offset_x = 100;
+        int offset_y = 525;
+
+        //Cropping
+        cv::Rect roi;
+        roi.x = offset_x;
+        roi.y = offset_y;
+        roi.width = 615;
+        roi.height = 25;
+        cv::Mat crop = frame(roi);
+        cv::imshow("crop", crop);
+
+        //Detecting Blue Areas for Ticker Stopping Point
+        Mat hsv, thresholdx,res;
+        cvtColor(crop, hsv, CV_BGR2HSV);
+        inRange(hsv, Scalar(110,50,50), Scalar(130,255,255), thresholdx);
+        bitwise_and(crop,crop,res,thresholdx);
+
+
+        //Gray Areas for Stopping Points
+        Mat gray,dst, tHold;
+        cvtColor(res, gray, CV_BGR2GRAY);
+        threshold(gray, gray, 70, 255, CV_THRESH_BINARY);
+        morphologyEx( gray, dst, MORPH_CLOSE, element, Point(-1,-1) );   
+
+
+        vector<vector<Point> > contours;
+        vector<Vec4i> hierarchy;
+        findContours( dst, contours, hierarchy, CV_RETR_LIST, CV_CHAIN_APPROX_SIMPLE, Point(0, 0) );
+
+        Mat drawing = Mat::zeros( dst.size(), CV_8UC3 );
+        t = t + 1;
+        for( int i = 0; i< contours.size(); i++ ){
+         Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
+         if (contourArea(contours[i]), arcLength( contours[i], true )< 300 && contourArea(contours[i]), arcLength( contours[i], true )> 150) {
+         drawContours( drawing, contours, i, color, 2, 8, hierarchy, 0, Point() );
+         ostringstream convert;
+         convert << "image" << t << ".jpg";
+         imwrite(convert.str().c_str(), crop );
+         }
+}
+        imshow( "Contours", drawing );
+
+
+
+
+
+
+        if(frame.empty())
+            break;
+        imshow("w", gray);
+        waitKey(20); // waits to display frame
+    }
+    waitKey(0); // key press to close window
+    // releases and window destroy are automatic in C++ interface
+}