premier log antoine

code/DisplayImage.cpp

@@ -1,27 +1,74 @@
-#include <stdio.h>
-#include <opencv2/opencv.hpp>
 
-using namespace cv;
+#include <cv.h> 
+#include <highgui.h>
+#include <cxcore.h>
 
-int main(int argc, char** argv )
+ 
+//callback for trackbar. nothing to be done here     
+void on_trackbar( int, void* )
+{
+}
+
+int main(int argc, char* argv[])
+{
+	int height,width,step,channels;  //parameters of the image we are working on
+	
+    // Open capture device. 0 is /dev/video0, 1 is /dev/video1, etc.
+    CvCapture* capture = cvCaptureFromCAM( 0 );
+    
+    if( !capture )
+    {
+            fprintf( stderr, "ERROR: capture is NULL \n" );
+            getchar();
+            return -1;
+    }
+    // grab an image from the capture
+    IplImage* frame = cvQueryFrame( capture );
+    
+    // Create a window in which the captured images will be presented
+    cvNamedWindow( "Camera", CV_WINDOW_AUTOSIZE );
+    cvNamedWindow( "HSV", CV_WINDOW_AUTOSIZE );
+    
+    // get the image data
+      height    = frame->height;
+      width     = frame->width;
+      step      = frame->widthStep;
+      
+     // capture size - 
+    CvSize size = cvSize(width,height);
+    
+    // Initialize different images that are going to be used in the program
+    IplImage*  hsv_frame    = cvCreateImage(size, IPL_DEPTH_8U, 3); // image converted to HSV plane
+    IplImage*  thresholded   = cvCreateImage(size, IPL_DEPTH_8U, 1);
+    
+  
+    while( 1 )
     {   
 
+        // Get one frame
+        frame = cvQueryFrame( capture );
         
-		VideoCapture cap(0); // open the default camera
+        if( !frame )
-    		if(!cap.isOpened())  // check if we succeeded
+        {
-   			return -1;
+                fprintf( stderr, "ERROR: frame is null...\n" );
-		Mat frame;
+                getchar();
-		
+                break;
-		cvNamedWindow("tests",CV_WINDOW_AUTOSIZE);
-		while(1){
-				
-				cap >> frame; // get a new frame from camera
-				
-				imshow("tests", frame);
-				if(waitKey(30) >= 0) break; //Arrete la capture
-
         }
-		cv::waitKey(0); // Termine le programme
  
+        // Covert color space to HSV as it is much easier to filter colors in the HSV color-space.
+        cvCvtColor(frame, hsv_frame, CV_BGR2HSV);
+ 
+        cvInRangeS(frame, cvScalar(255, 100, 230), cvScalar(255, 200, 255), thresholded);
+           
+         cvShowImage( "Camera", frame ); // Original stream with detected ball overlay
+         cvShowImage( "HSV", hsv_frame); // Original stream in the HSV color space
+         cvShowImage( "After Color Filtering", thresholded ); // The stream after color filtering
+     
+        if( (cvWaitKey(10) ) >= 0 ) break;
+    }
+
+     // Release the capture device housekeeping
+     cvReleaseCapture( &capture );
+     cvDestroyWindow( "mywindow" );
      return 0;
    }