More Background Replacement

Here is some more After Effects Background Replacement using public domain footage and a matte painting i found online. In this Study i used Mocha AE to do the motion tracking. Keep in mind this is just underwater cam footage and is in no way prepared using blue or green screen. I figure if i can make unprepared raw footage which i alter look good or believe able, then it should be much easier when it comes to using green screen. I'm using the old color key to get rid of the background, so it's far from perfect or professional (but for learning it's fine). I'm making sure to carefully select footage that has pretty clean backgrounds so that it is easier to key out. I'm also learning how to do a bit of color correction at the same time.

Under Water Castle (2nd BG Replacement study)

Original Footage

Matte Painting found online

It's not perfect. It could probably use some light shimmers on the castle, some floating under water sediment and some bubbles to fully sell the effect. Also some of the fish are a bit transparent and there is some distortion from the color key at the end on the right.