Why is the conversion of an image to grayscale by simply computing the average of a pixel less than ideal?
A) The conversion will still contain non-grayscale colors.
B) The conversion does not take luminance into account.
C) The conversion will cause some areas of the image to be invisible
D) The conversion will make details that are red or green in color hard to see.

Question

Quizplus · Accepted Answer

Simply computing the average of a pixel does not take into account the relative contribution of each color channel to the perception of luminance. This can result in a grayscale image that lacks contrast and does not accurately represent the original colors. A better method would be to use a weighted average that takes into account the color space and human perception of brightness.

Why Is the Conversion of an Image to Grayscale by Simply