Monochrome and Color Dithering


Dithering and halftoning techniques are used to render images and graphics with more apparent colors than are actually displayable.

When our visual systems are confronted with large regions of high-frequency color changes they tend to blend the individual colors into uniform color field. Dithering and halftoning attempt to use this property of perception to represent colors that cannot be directly represented.



Lecture 3   Slide 21   6.837 Fall '01