FaceTracker is an example of a complex technique that builds on top of a series of computer vision, image processing, and machine learning functions in order to achieve its result. Here's an interview with Kyle McDonald, artist and researcher in New York with a background in computer science and philosophy. He released FaceOSC, a tool for prototyping face-based interaction. Kyle has a growing body of work that uses face tracking in an artistic context, notably Face Substitution.
"If you’re given a choice between money and sex appeal, take the money. As you get older, the money will become your sex appeal." Katharine Hepburn rarely granted interviews, and when she did, she wanted them under her terms. When she agreed to appear on the Dick Cavett Show in September 1973, they went in the studio a day early so she could get the feel of things. They ended up doing the interview right then and there, without an audience. Kate Hepburn: The Full Cavett Interview. [more inside]