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An algorithm for tracking multiple trajectories in a noisy image based on a context free grammar model is investigated. Individual target trajectories and their mutual relation are described in terms ...of a context free grammar to form a model of trajectories. A CYK based parsing algorithm is proposed and an acceleration technique with beam search is incorporated into the parsing process. A high performance and a high noise robustness of the algorithm were demonstrated by applying it to test images and the effectiveness of beam search were shown through experiments.続きを見る
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