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Visual codebook based quantization of robust appearance descriptors extracted from local image patches is an effective means of capturing image statistics for object classification. A codebook is usually constructed by using a cluster method such as k-means at object level or image level. The codebook is global. For fine-grained categorization and recognition problems, however, the global object-level...
Identification of power quality events is one of key tasks in power system protection. This paper presents a new approach based on compressive sensing (CS) for classifying multiple power quality disturbances (PQD). First, every test event sample of PQD is represented as a sparse linear combination of training event samples using sparse representation. A lower-dimensional random matrix is then applied...
MicroRNAs (miRNAs) are 21 or 22 nucleotides noncoding RNAs known to possess important post-transcriptional regulatory functions. Identifying targeting genes that miRNAs regulate is important for understanding their specific biological functions. Usually, miRNAs down-regulate target genes through binding to the complementary sites in the 3' untranslated region (UTR) of the targets. Since the binding...
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