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3 cards from this section. Quick, good the night before a test.
What does an image matrix represent?
Think about what each number in the matrix signifies.
How is a grayscale image represented?
Consider how many color channels grayscale images have.
What representation does a grayscale image utilize?
Think about how you visualize a simple black and white image.
True or False: An RGB image is represented as a 2D matrix.
Consider how colors are combined in an image.
Given a 4x4 grayscale image matrix: [[10, 20, 30, 40], [10, 20, 30, 40], [50, 60, 70, 80], [90, 100, 110, 120], apply a basic edge detection filter to it and explain the output.
Remember how to position the filter over the image and perform the calculations!
Create a RGB matrix for an image with three color components (for a small 2x2 pixel image: Red: [[255, 0], [0, 255]], Green: [[0, 255], [255, 0]], Blue: [[0, 0], [255, 255]]). Explain the significance of combining these matrices.
Think about how mixing paint colors works to create new colors.
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