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Sequence alignment is of great importance in biology research. BLAST is a sequence alignment tool used extensively by researchers. However the continuously increasing amount of sequence data to be processed presents many challenges to it. This paper gives a simple and effective approach to parallelizing BLAST using the MapReduce technique. The MapReduce-BLAST shows very good performance and scales...
Moving object segmentation in video sequence is the foundation of motion analysis and motion track. In this paper, a novel segmentation algorithm is proposed to solve illuminance abrupt change problem, which is based on MOGs and interframe gradient cross-correlation. Firstly, a primary foreground segmentation is obtained, where an adaptive MOGs (mixture of Gaussians) is established for each pixel's...
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