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We present a series of prototype devices that use real-time input to fabricate physical form: <i>Interactive Fabrication</i>. Our work maps out the problem space of real-time control for digital fabrication devices, and examines where alternative interfaces for digital fabrication are relevant. We conclude by reflecting upon the potential of interactive(More)
Although we can sense someone's vocalizations with our ears, nose, and haptic sense, speech is invisible to us without the help of technical aids. In this paper, we present three interactive artworks which explore the question: "if we could see our speech, what might it look like?" The artworks we present are concerned with the aesthetic implications of(More)
Discrete and continuous modes of manual control are fundamentally different: buttons select or change state, while handles persistently modulate an analog parameter. User interfaces for many electronically aided tasks afford only one of these modes when both are needed. We describe an integration of two kinds of physical interfaces (tagged objects and force(More)
We report the use of an embedded accelerometer as a gestural interface for an extremely small ("keychain") computer. This tilt- and shake-sensitive interface captures the expressive nuances of continuously varying spatio-temporal input, making possible a set of applications heretofore difficult or impossible to implement in such a small device. We provide(More)
We report on The Manual Input Sessions, a series of audiovisual vignettes which probe the expressive possibilities of free-form hand gestures. Performed on a hybrid projection system which combines a traditional analog overhead projector and a digital PC video projector, our vision-based software instruments generate dynamic sounds and graphics solely in(More)
Real-time performance instruments for creating and sonifying spectrographic images have generally taken the form of stylus-based drawing interfaces, or camera-based systems which treat a live video image as a spectrogram. Drawing-based approaches afford great precision in specifying the temporal and pitch structures of spectral events, but can be(More)
The history of abstract animation and light performance points towards an aesthetic of temporal abstraction which digital computer graphics can ideally explore. Computer graphics has leapt forward to embrace three-dimensional texture mapped imagery, but stepped over the broad aesthetic terrain of two-dimensional interactive dynamic abstraction. Several(More)
"Computer vision" refers to a broad class of algorithms that allow computers to make intelligent assertions about digital images and video. Historically, the creation of computer vision systems has been regarded as the exclusive domain of expert researchers and engineers in the fields of signal processing and artificial intelligence. Likewise, the scope of(More)
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