Original Footage

This is a frame of the original footage. BEWARE, this image is a jpeg, so it has been compressed, therefore the quality has been reduced in comparison to the original image that was used for the tutorial. If you want to try the procedural matte approach using this image, download the uncompressed .TIF here (544 kb).

You can see that the screen has been lit very badly, there is a lot if difference in the luminance of the green. Still, I've been able to pull a decent matte from it using multiple mattes.

This image was originally shot on DV using a SONY VX-1000, but it has been de-interlaced and rendered before importing it back into After Effects.