Practice - Display Detected Faces
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Practice Questions
Test your understanding with targeted questions
What function is used to display an image in OpenCV?
💡 Hint: Think about the function that shows images.
What does the cv2.rectangle() function do?
💡 Hint: Consider how we mark areas in images.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What method is used to load Haar cascades in OpenCV?
💡 Hint: Recall the specific function used for loading classifiers.
True or False: cv2.imshow() can display multiple images simultaneously.
💡 Hint: Consider how many windows can be handled by the function.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Develop a Python function using OpenCV to read an image, detect faces, and save the resulting image with marked faces.
💡 Hint: Consider combining your knowledge from earlier sections about image processing.
How could you optimize face detection to handle images with multiple faces more efficiently?
💡 Hint: Think about how you would approach processing speed and accuracy.
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Reference links
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