Draw normal to edge detection image

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developer
developer il 23 Mag 2011
Commentato: Mehri Mehrnia il 27 Giu 2022
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 .

Risposte (1)

Wolfgang Schwanghart
Wolfgang Schwanghart il 23 Mag 2011
You can compute surface normals using the function surfnorm. Then, you can use quiver to draw the vectors.
HTH, W.
  1 Commento
Mehri Mehrnia
Mehri Mehrnia il 27 Giu 2022
but surfnorm is for 3D , how to use it for the edges of the 2D shape?

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