Find the orientation of the skeletonized image

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Zeynab Mousavikhamene
编辑： Matt J 2020-1-17
Is there any command that can find the orientation of skeletonized image? like the attached image that average angle of lines with respect to horizontal line.
Capture.JPG

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回答（2 个）

Matt J
Matt J 2020-1-16
You can use houghlines to get the endpoints of all the line segments in the image. From that, you can easily calculate their slopes.
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Matt J
Matt J 2020-1-17
编辑：Matt J 2020-1-17
Can you explain bit more?
Once you have the end points (x1,y1) and (x2,y2) of a line, you can calculate its angle according to,
angle = atan2d(y2-y1,x2-x1)

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darova
darova 2020-1-16
You can write your own function:
  • use imline to create a line
  • draw a line aligned with horizontal/vertical one
  • calculate the angle
  • rotate image
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Zeynab Mousavikhamene
Zeynab Mousavikhamene 2020-1-16
@darova
What you mean by creating the line? I already have the line and want to find the angle of all lines in the above image.

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