Distributed vision with smart pixels
Proceedings of the twenty-fifth annual symposium on Computational geometry
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"Smart pixels" are sensor pixels which have been imbued with a limited amount of processing power. Consider a model of computation in which a grid of these smart pixels can perform simple arithmetic, store a small amount of data, and communicate with their direct neighbors. In this video, we review recent algorithms for well-known geometric problems developed within such a model. Specifically, given a black-and-white image on a w by h grid of smart pixels, we show how the sizes, orientations, centers of gravity, and convex hulls of multiple objects on the grid can be computed simultaneously in time O(w + h).