Image Dithering: Eleven Algorithms and Source Code
Has anyone tried using the equivalent of animated GIFs to help with dithering? If you have a limited palette of colours, perhaps you could produce two dithered versions, with pixels sometimes having different colours in alternate frames. If the image is refreshed fast enough, two colours could blend into a third.<p>The most extreme example could be 'dithering' a grey square into 1) a black square and 2) a white square, and when they are rapidly switching between the two it might appear as a grey instead.<p>I guess that in practice, the refresh rates of monitors are too low to make it seem anything other than a terrible flickering image, but on old CRTs the effect might work a little better. It's also memory and CPU intensive, but I'd still be curious to see if it could be used successfully, and if it improved the quality compared to 'just' a single dithered image.