Computational Light Painting Using a Virtual Exposure

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5 Citations (Scopus)


Light painting is an artform where a light source is moved during a long-exposure shot, creating trails resembling a stroke on a canvas. It is very difficult to perform because the light source needs to be moved at the intended speed and along a precise trajectory. Additionally, images can be corrupted by the person moving the light. We propose computational light painting, which avoids such artifacts and is easy to use. Taking a video of the moving light as input, a virtual exposure allows us to draw the intended light positions in a post-process. We support animation, as well as 3D light sculpting, with high-quality results.
Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalComputer Graphics Forum (online)
Issue number2
Publication statusPublished - 2017
EventEurographics 2017: The 36th Annual Conference of the European Association for Computer Graphics - Lyon, France
Duration: 24 Apr 201728 Apr 2017


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