norm vector of pixels on edge of an image

I need to show norm vectors of of each pixels on edge of image.

an example is attached

Answer 1

[Bharat Chandra Mukkavalli]

Hi,

Refer to this MATLAB answer on a similar query: https://in.mathworks.com/matlabcentral/answers/14385-display-2-d-grayscale-image-with-vector-normal-arrows

Hope this helps!

[Mehri Mehrnia]

This is different from what I want. My space is 2D and I want perpendicular vector at some edge pixels.