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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does img.shape return for a color image?
💡 Hint: Remember, color images have multiple channels.
Question 2
Easy
What function in OpenCV is used to read an image?
💡 Hint: Look for the function that begins with 'cv2.'
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 function is used to read an image in OpenCV?
- cv2.display()
- cv2.show()
- cv2.imread()
💡 Hint: Focus on image input functions from OpenCV.
Question 2
True or False: A grayscale image can have a shape of (300, 400, 3).
- True
- False
💡 Hint: Think about the characteristics of grayscale images.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a grayscale image of size 640x480. Write a Python snippet using OpenCV to read the image and to print the shape. Explain the expected output.
💡 Hint: Consider how grayscale images store data.
Question 2
You are tasked to resize a 1920x1080 color image to fit a model that requires 256x256 images. Write the code and describe the role of image shape in this context.
💡 Hint: Think about how resizing impacts model accuracy.
Challenge and get performance evaluation