How would I find the upper and lower threshold limits that the edge-canny function uses?

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David Sidhu
David Sidhu il 11 Ago 2016
Risposto: Image Analyst il 11 Ago 2016
After I run an edge detection function on an image
BW = edge(I, 'canny')
how can I then find the upper and lower thresholds that MATLAB set when running the algorithim.
Once I have those, how can I modify them?

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Image Analyst
Image Analyst il 11 Ago 2016
Look at the help for edge(). It is returned from edge() as an output argument.
[BW, threshOut] = edge(I, 'canny')

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