How to find directional Map for intensity values

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Anu G
Anu G 2020-8-28
评论： Image Analyst 2020-8-28
Please help me to findout directional quantized value of intensity value of an image like following.

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Image Analyst
Image Analyst 2020-8-28
You can use imgradient() or imgradientxy().
  2 个评论
Anu G
Anu G 2020-8-28
Sir, i dono how to compute qantized map value and to storred in four directional value like 0, 45, -45 and 90 degree. Kindly help me
Image Analyst
Image Analyst 2020-8-28
The gradient vectors will not necessarily point only in those directions. They could point at any angle.

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