Extract part from an image

How to extract gradient part from this image?

[Image Analyst]

Your image link does not work. Please attach a PNG file instead. In the meantime, try imcrop().

Answer 1

[KALYAN ACHARJYA]

[Gmag,Gdir]=imgradient(input_grayScaleImage);
imshow([Gmag,Gdir]);
title('<Gradient    G Direction>')

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