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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What function is used to display an image in OpenCV?
💡 Hint: Think about the function that shows images.
Question 2
Easy
What does the cv2.rectangle() function do?
💡 Hint: Consider how we mark areas in images.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What method is used to load Haar cascades in OpenCV?
- cv2.LoadCascade()
- cv2.CascadeClassifier()
- cv2.CascadeLoad()
💡 Hint: Recall the specific function used for loading classifiers.
Question 2
True or False: cv2.imshow() can display multiple images simultaneously.
- True
- False
💡 Hint: Consider how many windows can be handled by the function.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation