Advanced Visual Effects Compositing

Chapter 1Keying Difficult Green Screen

 

 

Green screen, when well lit and well shot, can be a joy to work with. More often than not, however, green screen footage suffers from wrinkles, shadows, incomplete coverage, camera noise, and spill. Regardless, there is always a way to make the key work with common effects and tools available in layer-based and node-based compositing systems.

This chapter includes the following critical information:

• Chroma key terminology

• Common green screen problems and solutions

• Keying the foreground core and edge separately

• Keying without a green screen

Chroma Keying Overview

Chroma keying is the process ...