Xiao Fei Shi

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The blind watermark extraction algorithms based on discrete cosine transform need some the priori knowledge. To overcome this problem, in this paper, two kinds of blind extraction algorithms using wavelet transform are presented with out prior knowledge. Firstly, this paper proposed an extraction algorithm based on discrete wavelet transform. The low(More)
Grass carp (Ctenopharyngodon idella) was one of the economically important freshwater fish in China. However, hemorrhagic disease caused by grass carp reovirus (GCRV) results in a tremendous loss in the process of grass carp cultivation. Transcriptome analysis could provide a comprehensive understanding of the molecular mechanisms involved in specific(More)
The paper mainly studied the effects of enhanced UV-B radiation on the nutritional and active ingredient contents during the floral development of medicinal chrysanthemum. The experiment included two levels of UV-B radiation (0 and 400μWcm(-2)). The contents of hydrogen peroxide (H2O2), anthocyanin, UV-B absorbing compounds, total chlorophyll and(More)
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