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3 cards from this section. Quick, good the night before a test.
What function is used to display an image in OpenCV?
Think about the function that shows images.
What does the cv2.rectangle() function do?
Consider how we mark areas in images.
What method is used to load Haar cascades in OpenCV?
Recall the specific function used for loading classifiers.
True or False: cv2.imshow() can display multiple images simultaneously.
Consider how many windows can be handled by the function.
Develop a Python function using OpenCV to read an image, detect faces, and save the resulting image with marked faces.
Consider combining your knowledge from earlier sections about image processing.
How could you optimize face detection to handle images with multiple faces more efficiently?
Think about how you would approach processing speed and accuracy.
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