adjust the two images

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sombat supha
sombat supha 2019-2-7
编辑： sombat supha 2019-2-7
I will adjust the color of the two images. (a1.jpeg, a2.jpeg) to have the same brightness How to write a program by matlab? Thanks

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KSSV
KSSV 2019-2-7
Read the image using imread, to the output add any number, it will increase the brightness. There are other methods to do this, adding number is one of the method.
I = imread('peppers.png') ;
I1 = I+50 ;
figure(1) ; imshow(I) ;
figure(2) ; imshow(I1) ;
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sombat supha
sombat supha 2019-2-7
编辑：sombat supha 2019-2-7
I want the way to get numbers to add a1.jpeg and a2.jpeg making them the same brightness..
for example a1.jpeg+x = a2.jpeg+y ; (same brightness)
x=?
y=?

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