Draw normal to edge detection image

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developer
developer 2011 年 5 月 23 日
コメント済み: Mehri Mehrnia 2022 年 6 月 27 日
Hello,
I have an image that is the resulting image after detecting an edges, now i have to draw normal vector to the surfaces of the image .

回答 (1 件)

Wolfgang Schwanghart
Wolfgang Schwanghart 2011 年 5 月 23 日
You can compute surface normals using the function surfnorm. Then, you can use quiver to draw the vectors.
HTH, W.
  1 件のコメント
Mehri Mehrnia
Mehri Mehrnia 2022 年 6 月 27 日
but surfnorm is for 3D , how to use it for the edges of the 2D shape?

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