// Copyright 2002 Matt Sandstršm/Too Much Too Soon
// This script is freeware, meaning you may copy and
// distribute it free of charge, as long as it's kept intact,
// including this message. Feel free to use the code as
// inspiration for your own scripts, but don't steal.
// Email me at mattias@beauty.se if you have any questions.
// Thank you. Have fun. 

filter "Blend Fields"
group "TMTS Video"

FullFrame

code
float kern[3][3];
kern = { 0,1,0,0,2,0,0,1,0 };
convolve(src1,dest,kern,4,0);