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The term itself sounds intimidating, it might make you think that you need a PhD in Machine Learning. Computer Vision can be used to detect objects in images. It is also useful for developers who want to do automated visual testing. The entire concept is dead simple, we just compare each pixel and we calculate the percentage of different pixels. We need Python, OpenCV, scikit-image, Pillow and imutils to get the best results. You can find instructions for installing OpenCV here.