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SIFT-NMI algorithm is proposed for image matching based on SIFT (Scale-invariant feature transform) and NMI (Normalized Moment of Intertia) algorithm in this paper. Firstly, the SIFT algorithm is used to obtain the coordinates and vector matrix of the image's feature points. Then, the moment of intertia of the vector is obtained based on NMI algorithm and the pairs of matching features points are...
This paper treat the query sentence as common sentence segmented from multi-documents set for multi-document summarization, and mixed it into sentences set, then this paper create efficient cluster algorithm to cluster all the sentences, The clusters which contain the query sentence will be merged to one cluster, and modified MMR will be used to extract summary sentences. Experimental result shows...
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