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Computer puppetry is an important form of motion capture that lets animation directors see a character's performance in real time and make immediate corrections to achieve the desired result. The first step in bringing a computer puppet to life is creating the character's concept. How the character will be used forms an important part of its design. To illustrate this process, the author refers to Medialab's methods and procedures. He does this not to single out Medialab, but to draw on experience for concrete examples of principles that prove similar for any computer puppetry system.
David J. Sturman (1998) studied this question.