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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What function do you use to read an image with OpenCV?
💡 Hint: Think about how you read files in Python.
Question 2
Easy
What does cv2.waitKey(0) do?
💡 Hint: It allows you to interact with the image display.
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 OpenCV function reads an image from a file?
- cv2.display()
- cv2.readImage()
- cv2.imread()
💡 Hint: Remember the function that starts with 'im'.
Question 2
True or False: Color images are stored as 2D arrays in OpenCV.
- True
- False
💡 Hint: Think about the number of color channels in a color image.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Implement a program that takes an image path as user input, reads the image, displays it, and then closes after pressing a key.
💡 Hint: Remember to prompt the user for the image path correctly.
Question 2
Write a function that reads and displays an image, then converts it to grayscale and shows that image.
💡 Hint: You will need to use the color conversion function to achieve this.
Challenge and get performance evaluation