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How can i measure reflection of light from plastic or paper images using cam ?

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Hassan Mehmood Khan
Hassan Mehmood Khan on 7 Oct 2017
Answered: Image Analyst on 7 Oct 2017
I am writing a code to capture image of paper/plastic objects using logitech cam. I am able to connect take pictures, but i want to distinguish plastic & Paper images based on their reflection index or any other property which is related to reflection of light.. Need help.
Thank You

Answers (1)

Image Analyst
Image Analyst on 7 Oct 2017
Take the mean gray level then threshold.
if mean2(grayImage) > someValue
% It's plastic
else
% It's paper
end
If you need more help, then say why that didn't work and attach a paper image and a plastic image, after you read this link.

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