MATLAB Answers

How to make a round bounday on the object

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Ghulam
Ghulam 2019 年 11 月 2 日
回答済み: darova 2019 年 11 月 4 日
Hi,
Using the example i have successfully drawn the outline on the object.
OUTLINE.png
But it is showing glitches of up and downs on the surface.
I want to get rid of it and make a circular outline around my object.
Cany anyone pls help me in doing it.
Thanks

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Matt J
Matt J 2019 年 11 月 2 日
What determines the radius and center of the circle?
Ghulam
Ghulam 2019 年 11 月 4 日
Thanks Matt J
There is no exact thing which determines the radius of this circle.

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回答 (1 件)

darova
darova 2019 年 11 月 4 日
  • Use edge to detect edge
  • Use find to get coordinates (rows and columns of edge)
  • Calculate some center (approximately)
  • 123.png
  • Use cart2pol to calculate angle of each pixel
  • sort pixels by angle
  • Calculate new edge with smooth
Or another way:
  • Use edge to detect edge
  • imdilate object
  • Try bwmorph(I,'thin',inf) tu return to original image

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