In this tutorial we look at 5 individual ways of duplicating crowds. These methods are:

Simple Masking (garbage matting)

Rotoscoping

Difference Matting

Chroma Keying

Camera Technique

The tutorial explains each of the methods, the pros and cons, and goes in depth to show how to create the final preview using the difference matting technique. The last part also contains some general compositing techniques that can be applied to each method.

Republished Tutorial Every few weeks, we revisit some of our reader's favorite posts from throughout the history of the site. This tutorial was first published in July 2010.

Introduction

Tutorials





Basic Masking

Chroma Keying

Rotoscoping

Difference Matte

Compositing and Camera Techniques