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I think you need to train your algorithm with number of sample images by extracting it's features. OpenCV has several methods for doing these. You can refer OpenCV documentation Feature Detection, Hog feature extraction etc.. There are many website and blogs explaining how to extract the features and train the algorithm. Hope this helpful........

I think you need to train your algorithm with number of sample images by extracting it's features. OpenCV has several methods for doing these. You can refer OpenCV documentation Feature Detection, Hog feature extraction etc.. There are many website and blogs explaining how to extract the features and train the algorithm. algorithm.

Hope this helpful........