Old console games use dithering to increase color count, the low video bandwidth of TVs of the time would
smooth out this dither pattern into a solid color. When these games are displayed on a computer monitor
the dither pattern is clearly visible, a very obvious checker board replaces the intended solid color.
Some existing filters try to rectify this by blurring the entire image, attempting to emulate the low video
bandwidth of the TV. However I think this looks worse than the checker board. It would be desirable to
eliminate the dither pattern without loss of sharp edges and detail.
I have created a Fusion Render Plugin which attempts to detect checker board dithering and replace it with
a solid color, (the average of the two colors of the checker board). My detection method is somewhat dumb
and can yield false positives, it is also really only effective on games whose graphics have large blocks of
color and smooth gradients with significant dithering. The overlapping of the layers and sprites mess up the
results and cause artifacts, the results would be better if Render plugins could operate on each layer separately.
This render plugin was developed with Sonic3D and is most effective with Sonic3D, results with other games can vary
due to the previously mentioned requirements for color and dithering styles. Examples from Sonic3D will follow,
they are presented as before and after, MOUSEOVER IMAGE TO SEE RESULT. In the end I would conclude that it
wasn't worth it, and the best render plugin is still no render plugin.
Dither Smooth Plugin