Hio, Chihiro, Bermingham, Luke, Cai, Guochen, Lee, Kyungmi, and Lee, Ickjai (2013) A hybrid grid-based method for mining arbitrary regions-of-interest from trajectories. In: Proceedings of Workshop on Machine Learning for Sensory Data Analysis. pp. 5-12. From: Workshop on Machine Learning for Sensory Data Analysis, 3 December 2013, Dunedin, New Zealand.

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Abstract

There is an increasing need for a trajectory pattern mining as the volume of available trajectory data grows at an unprecedented rate with the aid of mobile sensing. Region-of-interest mining identifies interesting hot spots that reveal trajectory concentrations. This article introduces an efficient and effective grid-based region-of-interest mining method that is linear to the number of grid cells, and is able to detect arbitrary shapes of regions-of-interest. The proposed algorithm is robust and applicable to continuous and discrete trajectories, and relatively insensitive to parameter values. Experiments show promising results which demonstrate benefits of the proposed algorithm.

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