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In this paper a new image denoising algorithm is presented based on independent component analysis(ICA) and nonsubsampled contourlet transform(NSCT), taking full advantage of NSCT's strong points of translation-invariant, multidirection-selectivity and ICA's strong point of higher order statistical property, then a noisy image is denoised by maximum likelihood estimation of the noisy version of the...
In this paper, ant colony algorithm was improved from two aspects, then a novel hybrid ant colony and agglomerate document clustering algorithm, hybrid-AC&A, has been proposed based on ant colony model and agglomerate clustering algorithms. Firstly, Compact algorithm was applied while ant dropping its load. Secondly, evaluate function based schedule algorithm was applied while ant obtains load...
Recently, the video-based technologies play an important role in monitoring fields, including the detection, identification and tracking of moving object. This paper designs an effective pedestrian detection and tracking algorithm in the traffic environment. Firstly, extract the moving prospect from the background in the video images, using conventional frame difference algorithm. The moving targets...
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