Update to 2.0.0 tree from current Fremantle build

[opencv] / samples / octave / pyramid_segmentation.m

diff --git a/samples/octave/pyramid_segmentation.m b/samples/octave/pyramid_segmentation.m
new file mode 100644 (file)
index 0000000..1aa4770
--- /dev/null
+++ b/samples/octave/pyramid_segmentation.m
@@ -0,0 +1,71 @@
+#! /usr/bin/env octave
+
+cv;
+highgui;
+
+global g;
+g.image0 = [];
+g.image1 = [];
+g.threshold1 = 255;
+g.threshold2 = 30;
+g.l = g.level = 4;
+g.block_size = 1000;
+g.filter = CV_GAUSSIAN_5x5;
+g.storage = [];
+g.min_comp = CvConnectedComp();
+
+function set_thresh1( val )
+  global g;
+  g.threshold1 = val;
+  ON_SEGMENT();
+endfunction
+
+function set_thresh2( val )
+  global g;
+  g.threshold2 = val;
+  ON_SEGMENT()
+endfunction
+
+function ON_SEGMENT()
+  global g;
+  global cv;
+  g
+  swig_this(g.image0)
+  swig_this(g.image1)
+  swig_this(g.storage)
+  g.level
+  g.threshold1
+  g.threshold2
+  comp = cv.cvPyrSegmentation(g.image0, g.image1, g.storage, g.level, g.threshold1+1, g.threshold2+1);
+  cvShowImage("Segmentation", g.image1);
+endfunction
+
+filename = "../c/fruits.jpg";
+if (size(argv, 2) >= 1)
+  filename = argv(){1};
+endif
+g.image0 = cvLoadImage( filename, 1);
+if (! swig_this(g.image0))
+  printf("Error opening %s\n",filename);
+  exit(-1);
+endif
+
+cvNamedWindow("Source", 0);
+cvShowImage("Source", g.image0);
+cvNamedWindow("Segmentation", 0);
+g.storage = cvCreateMemStorage ( g.block_size );
+new_width = bitshift(g.image0.width, -g.level);
+new_height = bitshift(g.image0.height, -g.level);
+g.image0 = cvCreateImage( cvSize(new_width,new_height), g.image0.depth, g.image0.nChannels );
+g.image1 = cvCreateImage( cvSize(new_width,new_height), g.image0.depth, g.image0.nChannels );
+## segmentation of the color image
+g.l = 1;
+g.threshold1 =255;
+g.threshold2 =30;
+ON_SEGMENT();
+g.sthreshold1 = cvCreateTrackbar("Threshold1", "Segmentation", g.threshold1, 255, @set_thresh1);
+g.sthreshold2 = cvCreateTrackbar("Threshold2", "Segmentation",  g.threshold2, 255, @set_thresh2);
+cvShowImage("Segmentation", image1);
+cvWaitKey(0);
+cvDestroyWindow("Segmentation");
+cvDestroyWindow("Source");