>>47122920Single images are easy. With keying greenscreen/rotoscoping for film, you have to remove green bleeding in. Every. Single. Frame.
AI automation and several techniques has made this easier but you still have to analyze every frame, and you have to find the balance between removing too much and removing too little, for example in strands of hair. If you overdo it, you remove the strands entirely. This is why they get paid a lot and they're always the most grumpy members of a video editing team. t. Film experience bud