Holly Chiang

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We describe Tethys, an energy-harvesting wireless water flow sensor that can monitor water use at a per-fixture level with the intention of associating water use with specific individuals. Tethys was motivated by recent efforts at Stanford University to reduce water use due to the California drought. Understanding how the university population uses water at(More)
Algorithm After researching existing implementations, we narrowed it down to two different approaches: • Calculate the transmission using the intensity of the dark channels [1] • Dark pixel detection through segmentation and linear fitting [2] We chose to go with the second approach as we intended to implement the program on a mobile application, and due to(More)
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