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Tony S Yu
21 lines
780 B
Python
21 lines
780 B
Python
from .base import Plugin
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from skimage.filter import canny
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class CannyPlugin(Plugin):
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def __init__(self, image_viewer, *args, **kwargs):
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height = kwargs.get('height', 100)
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width = kwargs.get('width', 400)
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super(CannyPlugin, self).__init__(image_viewer,
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width=width, height=height)
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self.add_keyword_argument('sigma', 0.005, 0, self.caller)
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self.add_keyword_argument('low_threshold', 0.255, 0, self.caller)
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self.add_keyword_argument('high_threshold', 0.255, 0, self.caller)
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# Call callback so that image is updated to slider values.
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self.caller()
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def callback(self, *args, **kwargs):
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image = canny(*args, **kwargs)
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self.image_viewer.overlay = image
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