72 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Matlab
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Matlab
		
	
	
	
	
	
| #! /usr/bin/env octave
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| 
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| cv;
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| highgui;
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| 
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| global g;
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| g.image0 = [];
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| g.image1 = [];
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| g.threshold1 = 255;
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| g.threshold2 = 30;
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| g.l = g.level = 4;
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| g.block_size = 1000;
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| g.filter = CV_GAUSSIAN_5x5;
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| g.storage = [];
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| g.min_comp = CvConnectedComp();
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| 
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| function set_thresh1( val )
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|   global g;
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|   g.threshold1 = val;
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|   ON_SEGMENT();
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| endfunction
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| 
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| function set_thresh2( val )
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|   global g;
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|   g.threshold2 = val;
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|   ON_SEGMENT()
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| endfunction
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| 
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| function ON_SEGMENT()
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|   global g;
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|   global cv;
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|   g
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|   swig_this(g.image0)
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|   swig_this(g.image1)
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|   swig_this(g.storage)
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|   g.level
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|   g.threshold1
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|   g.threshold2
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|   comp = cv.cvPyrSegmentation(g.image0, g.image1, g.storage, g.level, g.threshold1+1, g.threshold2+1);
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|   cvShowImage("Segmentation", g.image1);
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| endfunction
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| 
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| filename = "../c/fruits.jpg";
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| if (size(argv, 2) >= 1)
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|   filename = argv(){1};
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| endif
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| g.image0 = cvLoadImage( filename, 1);
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| if (! swig_this(g.image0))
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|   printf("Error opening %s\n",filename);
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|   exit(-1);
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| endif
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| 
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| cvNamedWindow("Source", 0);
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| cvShowImage("Source", g.image0);
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| cvNamedWindow("Segmentation", 0);
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| g.storage = cvCreateMemStorage ( g.block_size );
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| new_width = bitshift(g.image0.width, -g.level);
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| new_height = bitshift(g.image0.height, -g.level);
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| g.image0 = cvCreateImage( cvSize(new_width,new_height), g.image0.depth, g.image0.nChannels );
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| g.image1 = cvCreateImage( cvSize(new_width,new_height), g.image0.depth, g.image0.nChannels );
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| ## segmentation of the color image
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| g.l = 1;
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| g.threshold1 =255;
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| g.threshold2 =30;
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| ON_SEGMENT();
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| g.sthreshold1 = cvCreateTrackbar("Threshold1", "Segmentation", g.threshold1, 255, @set_thresh1);
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| g.sthreshold2 = cvCreateTrackbar("Threshold2", "Segmentation",  g.threshold2, 255, @set_thresh2);
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| cvShowImage("Segmentation", image1);
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| cvWaitKey(0);
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| cvDestroyWindow("Segmentation");
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| cvDestroyWindow("Source");
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