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32 lines
901 B
Python
32 lines
901 B
Python
import matplotlib.pyplot as plt
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from skimage import data
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from skimage import filter
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from skimage import morphology
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from skimage.viewer import ImageViewer
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from skimage.viewer.plugins.labelplugin import LabelPainter
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class WatershedPlugin(LabelPainter):
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def help(self):
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helpstr = ("Watershed plugin",
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"----------------",
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"Use mouse to paint each region with a different label.",
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"Press enter to display segmented image.")
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return '\n'.join(helpstr)
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def on_enter(self, overlay):
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viewer = self.image_viewer
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edge_image = filter.sobel(viewer.image)
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labels = morphology.watershed(edge_image, overlay)
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viewer.ax.imshow(labels, cmap=plt.cm.jet, alpha=0.5)
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viewer.redraw()
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self.close()
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image = data.coins()
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viewer = ImageViewer(image)
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viewer += WatershedPlugin()
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viewer.show()
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