We propose the use of a hand-held camera flash as a tangible user interface to a photographic "lightpainting" algorithm/ system. Our system includes a method of photographic multiple-exposure lighting using a single camera flash to obtain the results that would otherwise require complicated and more expensive professional multiple-light photographic studio setups. The system is simple in its approach, because it provides a direct metaphor-free interaction between the user, the camera, and the computer. The system mimics traditional multiple exposure photography by computationally combining images linearly to produce visual art works.
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