Pixel value difference graph for two images

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PRATAP MANDAL
PRATAP MANDAL 2021-1-17
评论： Laraib Naz 2021-1-25
I want to show the pixel value difference histogram of two images as shown in the above attached file and want to show the outline of the histograms only. I am using histogram(cover,'DisplayStyle','stairs'),
but its showing only solid histogram. Another question, how to use the legent ?
Please help me.

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回答（1 个）

Matt Gaidica
Matt Gaidica 2021-1-17
First of all, are you asking for an algorithm to get the pixel value difference or do you just want code for the histogram? To get you started, the code below results in the following plot.
a = rand(1,1000);
histogram(a,'DisplayStyle','stairs')
legend('Random Numbers')

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