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Split-merge algorithm is a general approach for image segmentation based on region growing. Firstly a new merge criterion is proposed to reduce the execution time of the algorithm by decreasing the number of iterations at the merge stage. Then, two strategies for its parallel implementation are discussed by analyzing their difference in load balance, communication complexity and scalability. In the...
A relaxation scheme is proposed in which Dempster-Shafer evidential theory is used to bring the effect of the spatial neighbourhood of a pixel into a classification. The benefits include the ability to incorporate uncertainty, both in the central pixel's labels and in those of its neighbours. A stopping criterion can be devised by increasing the uncertainty contribution of the neighbourhood to unity...
A great interest has been gained in recent years by a new error-correcting code technique, known as "turbo coding", which has been proven to offer performance closer to the Shannon's limit than traditional concatenated codes. In this paper, several very large scale integration (VLSI) architectures suitable for turbo decoder implementation are proposed and compared in terms of complexity...
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