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This paper presents a new visual speaker authentication scheme which can extract the most representative details of a speaker's lip feature. For each speaker, the entire utterance pronouncing a specific prompt text is divided into several word-level segments and a mute segment. Three kinds of lip feature details are investigated including: i) lip movements in each word segment; ii) lip movements in...
Image splicing detection has attracted more and more attention with the development of powerful image modification and manipulation tools. It has been proved that some statistics of block DCT coefficients contain useful information for image splicing detection. However, how to evaluate the discriminative power of different feature sets using the block DCT coefficients and how to provide the optimum...
Modulation identification of communication signals is an important content of wireless communication technology and a hot topic in the research field of the intercepted signal processing. Because the modulation mode is one of the most important characteristics to be used to distinguish various communication signals, in this paper, a new algorithm using feature parameters based on higher order cumulants...
As rapid acquisition of large collections of fluorescence microscopy cell images can be automated, large-scale subcellular localizations of GFP-tagged fusion proteins can be practically accomplished. Semi-supervised learning has the potential of using a large set of unlabeled images for the recognition of subcellular organelle patterns, but the performance still has room for improvement. This paper...
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