Wenting Yuan

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Locally linear embedding (LLE) is a prevalent manifold learning method in pattern recognition and machine learning. It preserves the intrinsic structure information of data set and has been widely applied to feature extraction and dimensionality reduction. This paper introduces LLE to aircraft pose recognition. The representative motion poses of an aircraft(More)
This paper proposes a novel encryption scheme for digital image during transmission, in both frequency and spatial-domain using hyper digital chaos. In frequency-domain, both of the magnitude and phase spectra of the image are encrypted, in which a huge key space is created due to hyper digital chaos. After that, additional spatial-domain encryption is(More)
A novel method was developed for the determination of organophosphorus flame retardants (PFRs) in fish. The method consists of a combination of pressurized liquid extraction (PLE) using aqueous solutions and solid-phase microextraction (SPME), followed by gas chromatography-flame photometric detector (GC-FPD). The experimental parameters that influenced(More)
Organophosphate esters have been extensively used as flame retardants and plasticizers. The analysis of organophosphate esters in the environment is a hot topic because many of them are toxic and persistent. We developed a novel procedure for determining organophosphate esters in sediment. In this work, pressurized liquid extraction and solid-phase(More)
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