They show a single example of incorrect dithering, explain it's wrong, and then don't show a corrected version. There isn't a single example of proper color dithering.
And they talk about the distance to the nearest color (RGB) but don't explain how to account for black or white -- how to trade off between accuracy of hue, brightness, and saturation, for example.
This post doesn't explain at all how to actually dither in color. I don't understand why this is on the front page with over 50 votes.
They show a single example of incorrect dithering, explain it's wrong, and then don't show a corrected version. There isn't a single example of proper color dithering.
And they talk about the distance to the nearest color (RGB) but don't explain how to account for black or white -- how to trade off between accuracy of hue, brightness, and saturation, for example.
This post doesn't explain at all how to actually dither in color. I don't understand why this is on the front page with over 50 votes.