Kristof Van Laerhoven

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Deriving more detailed insights into one's ecological footprint is a premise to reduce one's individual environmental impact. Personal water consumption contributes significantly to this impact, but remains hard to quantify individually unless digital meters are installed. In this paper, we present a dual-sensing approach to retro-fit common water meters(More)
With activity sensors becoming smaller and more power efficient by the day, wearable activity sensors that anyone could wear just as easily as a wristwatch have become a feasible concept. We present a small lightweight module, called Porcupine, which aims explicitly at continuously monitoring human activities as long as possible, and as fine-grained as(More)
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