Optimal initialization of K-means using Particle Swarm Optimization

04/19/2019

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by   Ashutosh Mahesh Pednekar, et al.

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This paper proposes the use of an optimization algorithm, namely PSO to decide the initial centroids in K-means, to eventually get better accuracy. The vectorized notation of the optimal centroids can be thought of as entities in an optimization space, where the accuracy of K-means over a random subset of the data could act as a fitness measure. The resultant optimal vector can be used as the initial centroids for K-means.