G. Qiu

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The adaptive rood pattern search (ARPS) algorithm proposed by Nie and Ma has shown two to three times of search speed-up improvement over that of diamond search (DS) based on the MPEG-4 Verification Model encoding platform. In this paper, first we have shown that the distribution of motion vectors bears a rood shape. An improved ARPS algorithm, called(More)
Various techniques exist to solve the non-convex optimization problem of clustering. Recent developments have employed a deterministic annealing approach to solving this problem. In this letter a new approximation clustering algorithm, incorporating a gradient descent technique with deterministic annealing, is described. Results are presented for this new(More)
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