real time red color detection

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awais rehman
awais rehman el 14 de Jul. de 2012
1) i want to detect pure red color real time for that wat i am using is purered=red-green-blue
then
using purered>/<threshold....e.g.....purered>60 or purered<60
but i have to adjust this threshold manually whenever there's any change e.g change in location of cameras /scenario is there any way to make it auto?
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Yash
Yash el 15 de Jul. de 2012
read the exact pixels an apply thresholding then

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Image Analyst
Image Analyst el 15 de Jul. de 2012
This is asked so often it should probably be on the FAQ. Have you checked the File Exchange for submissions like http://www.mathworks.com/matlabcentral/fileexchange/28757-tracking-red-color-objects-using-matlab?
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awais rehman
awais rehman el 15 de Jul. de 2012
yes but unable to detect
Image Analyst
Image Analyst el 15 de Jul. de 2012
Editada: Image Analyst el 15 de Jul. de 2012
So adapt it. My color segmentation demos might help: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862

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