I have an image of an object with plane background, how can i know background intensity value

2014 2 2
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更新时间：2014 2 2
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Nitin
Nitin 2014-2-2

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If you want to know the intensity at a particular location,
I = imread('img.bmp); % read image
intensity_val = I(20,40); % This gives you the intensity value at that point on your image

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