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I'm trying to develop a code which recognizes two different patterns. I have trained both the patterns separately and obtained the cascade XMLs of both. I give the patterns in a single image, which the program is supposed to detect.

How can I implement this using 'detectMultiScale' in openCV or are there any other option(s)??

Please help :)

PS: I'm using C++ in openCV

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Since you have trained the patterns seperately, you'll have to run detectMultiScale() twice.

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got it.. :) It's working.. I used 2 xmls and wrote detectMultiScale twice.

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