Plot line from edge function

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Ramses Herrera
Ramses Herrera 2016-2-29
评论： Image Analyst 2016-3-1
Hi,
Is there a way to plot a line from the edge detected using the "edge" function?
Thank you,
  1 个评论
Image Analyst
Image Analyst 2016-3-1
Post a picture/diagram showing what you want. Mock something up in Photoshop if you have to. But we don't know what "a line from an edge" would be. Tangent to the edge? Perpendicular to it? At some arbitrary angle? How long? Until it hits the edge of the image in both directions? Or of some limited length?

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回答（2 个）

Florian
Florian 2016-3-1
How about using bwboundaries on the edge function output? Check it out: http://ch.mathworks.com/help/images/ref/bwboundaries.html Regards, Florian
Ramses Herrera
Ramses Herrera 2016-3-1
Hi Florian,
I tried bwboundaries, but it doesn't really work out for me. I want to trace a line on the detected edges then get the distance from one edge to the other... pixel by pixel.
... Any thoughts?
Cheers, Ramsés

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