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scikit-image/viewer_examples/plugins/canny_simple.py
T
tonysyu c826935d9e Change default Slider update_on value to 'release'
Image filtering is usually slow, so updating on move was usually a bad idea.
2013-06-26 11:23:12 -05:00

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Python

from skimage import data
from skimage.filter import canny
from skimage.viewer import ImageViewer
from skimage.viewer.widgets import Slider
from skimage.viewer.widgets.history import SaveButtons
from skimage.viewer.plugins.overlayplugin import OverlayPlugin
image = data.camera()
# You can create a UI for a filter just by passing a filter function...
plugin = OverlayPlugin(image_filter=canny)
# ... and adding widgets to adjust parameter values.
plugin += Slider('sigma', 0, 5)
plugin += Slider('low threshold', 0, 255)
plugin += Slider('high threshold', 0, 255)
# ... and we can also add buttons to save the overlay:
plugin += SaveButtons(name='Save overlay to:')
# Finally, attach the plugin to an image viewer.
viewer = ImageViewer(image)
viewer += plugin
viewer.show()