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The Earth Mover's Distance (EMD) similarity join has a number of important applications such as near duplicate image retrieval and distributed based pattern analysis. However, the computational cost of EMD is super cubic and consequently the EMD similarity join operation is prohibitive for datasets of even medium size. We propose to employ the Hadoop platform to speed up the operation. Simply porting...
The Earth Mover's Distance (EMD) similarity join retrieves pairs of records with EMD below a given threshold. It has a number of important applications such as near duplicate image retrieval and pattern analysis in probabilistic datasets. However, the computational cost of EMD is super cubic to the number of bins in the histograms used to represent the data objects. Consequently, the EMD similarity...
In order to solve the control problem for servo system with model uncertainties, a robust control method is proposed. The proposed controller is a combination of an adaptive backstepping technique and a self-recurrent wavelet neural network (SRWNN). The SRWNN is used to observe the model lumped uncertainties of servo systems. Moreover, a robust controller is designed to compensate the lumped uncertainties...
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