how to get a 3D view of grey image?

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adi 2020-6-15

评论： Ameer Hamza 2020-6-15

Hi every one,

so i have a gray image and i want to have a view of the different regions in the image (steep/flat regions)

how can i display a 3D view so the x,y will represent the pixel location and z will represent the value of the pixel?

thank you!

Ameer Hamza 2020-6-15

You can use surf()

img = im2double(imread('pears.png'));
img_gray = rgb2gray(img);
surf(img_gray)
shading interp

img_gray:

surf():

adi 2020-6-15

Thank you!

Ameer Hamza 2020-6-15

I am glad to be of help!

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