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Drawing the gradient histogram of a grey image's one

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Teshan Rezel
Teshan Rezel 2020년 5월 9일
답변: Image Analyst 2020년 5월 13일
Hi folks,
I'm trying to plot the differential/gradient of a gray image's histogram, to highlight the points of interest more readily.
Searching for a function that does this hasn't yielded anything, but I'm unsure how to go about this in Matlab.
Is there a tutorial or something similar you can point me towards please?
Thanks in advance

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Ameer Hamza
Ameer Hamza 2020년 5월 9일
See imgradient(): https://www.mathworks.com/help/images/ref/imgradient.html. Can you further clarify your question about the histogram.
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Teshan Rezel
Teshan Rezel 2020년 5월 12일
thank you very much!!
Ameer Hamza
Ameer Hamza 2020년 5월 12일
I am glad to be of help.

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Image Analyst
Image Analyst 2020년 5월 13일
If you want you can use kmeans() to partition the histogram into sections. Personally I don't think it does a very good job but it will find the peak regions.

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