calculate the normal vector of a 2D image

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tala
tala on 3 Oct 2016
Commented: tala on 4 Oct 2016
hi i have a 2D image of echocardiography. is there any solution to compute the normal vector of this image?

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Accepted Answer

Joe Yeh
Joe Yeh on 3 Oct 2016
Edited: Joe Yeh on 3 Oct 2016
Is this what you're looking for ?
Compute and display 3-D surface normals
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tala
tala on 4 Oct 2016
thanks for your answer sir but my images are 2D images, is it possible to compute normal for a 2D image?

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