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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 draw rectangles in OpenCV?
💡 Hint: Think about the name of the function for rectangles.
Question 2
Easy
How do you specify the color for drawn shapes?
💡 Hint: Remember the order of colors in OpenCV.
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 parameters do you need for cv2.rectangle()?
- Image
- Start Point
- End Point
- Color
- Thickness
- Image
- Center
- Radius
- Color
- Thickness
- None
💡 Hint: Remember the acronym for rectangle parameters.
Question 2
True or False: cv2.circle() requires a radius parameter.
- True
- False
💡 Hint: Think about what makes a circle complete.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a function that takes an image and a list of circles with coordinates and radius, then draws all these circles on the image.
💡 Hint: Remember to use the correct parameters for color and thickness.
Question 2
Design a simple OpenCV application that loads an image and allows users to click on the image to draw circles where they click.
💡 Hint: Map the click coordinates to the circle parameters.
Challenge and get performance evaluation