Observing difference between two images graphically

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mona
mona 2014-3-15
回答： Image Analyst 2014-3-15
Hi,
I was wondering if there a way to plot brightness intensity curve of rgb image so that I could observe the changes between two sequential images graphically?

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回答（2 个）

Walter Roberson
Walter Roberson 2014-3-15
rgb2gray() gives you brightness of each pixel. Perhaps you want to create a histogram from the results.
Image Analyst
Image Analyst 2014-3-15
See my RGB histogram demo, attached. It goes through all the images in the folder plotting the histograms for each color channel.

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