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3 cards from this section. Quick, good the night before a test.
What does the cvtColor function do?
Think about how we represent colors in images.
What is the significance of converting an image to grayscale?
Consider how many colors are in grayscale.
What is the main purpose of the cvtColor function in OpenCV?
Think about the functions used before displaying or processing images.
True or False: Grayscale images use three channels to represent color.
How many values does each pixel need for grayscale?
Write a Python program using OpenCV that loads an image of your choice, converts it to grayscale, and saves the grayscale image to disk.
Don't forget to use the correct functions for reading, converting, and writing images.
Explain the concept of grayscale conversion in the context of machine learning, particularly in facial recognition.
Consider how algorithms handle different types of data for greater accuracy.
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