Okay so the "bridge" scene. I've been dreading this. I'm not entirely sure yet how I'll handle it. First here's the cleaned LD:
And this is the DVD - cleaned and resized.
Even the DVD as you can clearly see has a huge difference in quality - let alone the HDTV! I have no doubt the entire frame was re-rendered from the CGI model with the changes on the left of the frame.
Laserdisc:
http://screenshotcomparison.com/comparison/130781
And HDTV:
http://screenshotcomparison.com/comparison/130784
And I'll enhance them so the difference is clear (fullr resolution):
In the worst case scenario I'll have to use the whole LD frame. However, I'm hoping that softening and darkening the HDTV image will allow me to superimpose the two together.