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Force.com is the preeminent on-demand application development platform in use today, supporting some 55,000+ organizations. Individual enterprises and commercial software-as-a-service (SaaS) vendors trust the platform to deliver robust, reliable, Internet-scale applications. To meet the extreme demands of its large user population, Force.com's foundation is(More)
Computers looking through a camera at people is a potentially powerful technique to facilitate human-computer interaction. The computer can interpret the user´s movements, gestures, and glances. Fundamental visual algorithms include tracking, shape recognition, and motion analysis. We describe several vision algorithms for interactive graphics, and present(More)
Figure 1 shows a vision of the future from the 1939 World's Fair. The human-machine interface that was envisioned is wonderful. Both machines are equipped with cameras; the woman interacts with the machine using an intuitive gesture. That degree of naturalness is a goal today for researchers designing human-machine interfaces.
It might seem that an interface based on computer vision would require visual competence near the level of a human being, which is still beyond the state of the art. Fortunately, the interactive application often constrains the vision problem to besolved, allowing fast and simple vision algorithms to be used. This paper gives a brief survey of existing(More)
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