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Sixteen conventional heart beat variability (HRV) parameters and eight vital signs have shown promise in the prediction of cardiac arrest within 72 hours. Besides these 24 parameters, we proposed adding two new features for cardiac arrest prediction, which are approximate entropy (ApEn) and sample entropy (SpEn). ApEn and SpEn are nonlinear HRV parameters capable of characterizing heart conditions...
The goal of this paper is to develop a learning strategy for interactive video search that can effectively mitigate the burden on users without decreasing search performance. Taking SVM as underlying learner, a cooperative training strategy is proposed for learning a ranking function, in which semi-supervised learning procedure is started with a combination of a few positive training seeds and a relative...
Motivated by the advantages of Trace transform and discrete cosine transform (DCT), an integrated face representation is proposed. In order to construct the discriminatory facial features, Trace transforms are first calculated through various functionals. Then the proposed feature fusion scheme is implemented to DCT filtered Trace transforms to create new Trace features. After extracting the features,...
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