Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the cvtColor function do?
💡 Hint: Think about how we represent colors in images.
Question 2
Easy
What is the significance of converting an image to grayscale?
💡 Hint: Consider how many colors are in grayscale.
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 is the main purpose of the cvtColor function in OpenCV?
- Store images
- Convert color spaces
- Create images
- Display images
💡 Hint: Think about the functions used before displaying or processing images.
Question 2
True or False: Grayscale images use three channels to represent color.
- True
- False
💡 Hint: How many values does each pixel need for grayscale?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Python program using OpenCV that loads an image of your choice, converts it to grayscale, and saves the grayscale image to disk.
💡 Hint: Don't forget to use the correct functions for reading, converting, and writing images.
Question 2
Explain the concept of grayscale conversion in the context of machine learning, particularly in facial recognition.
💡 Hint: Consider how algorithms handle different types of data for greater accuracy.
Challenge and get performance evaluation