088- Noise reduction on realtime video

Hello!
Working on a prototype for a project where a lot of chroma keying is going to be involved. One of the concerns i have now is noise. I was wondering if there could be a way, either through touch designer or another soft, to remove noise form live video without adding to much delay introduced between the input and the output.

Any other keying tips with TD088 could be usefull as well.

Thanx everyone!