Hello I need a code that gives me the local minimum of a histogram please ?

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AbdelRahman Mostafa 2022-4-21

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评论： AbdelRahman Mostafa 2022-5-10

I created 12 histograms for 12 frames and I need to get the local minimums of these histograms.

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Mathieu NOE 2022-4-21

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hello

maybe this

the local minima are the red diamonds

x = randn(1000,1);
h = histogram(x);
Values = h.Values;  
BinCounts = h.BinCounts;  
BinEdges = h.BinEdges;
BinWidth = h.BinWidth;
centers = BinEdges(2:end) - BinWidth/2;
% find min values 
ind = islocalmin(Values);
hold on
plot(centers(ind),Values(ind),'dr');
hold off

So the "why you need it" is a closely held secret? You basically said you need it because you need it. Let me challenge you and say that you don't need it to do whatever mysterious thing you're attempting to do. Prove me wrong.

Anyway you can use imregionalmin and imregionalmax to find min and max locations in a signal.

AbdelRahman Mostafa 2022-5-10

I am a masters student and my thesis is about image processing. I just needed to know how to get the local minimums to be able to continue my thesis. Now you know why I need it. If you can help good if you cant then dont talk to me that way. Thank you

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