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A new acetolactate synthase (ALS)-inhibiting herbicide of pyribambenz-propyl (PP) was applied to oilseed rape leaves with different positions. ALS could reflect the growing states of oilseed rape. Visible and near-infrared (Vis/NIR) spectroscopy was investigated for fast and non-destructive determination of ALS in rapeseed leaves. Partial least squares (PLS) analysis was the calibration method with...
Pattern recognition problems specifically for spectral data were developed. As an application, classification of four tea varieties based on near infrared spectra was taken by using the method. Factor analysis (FA) and artificial neural networks (ANN) were used for pattern recognition in this research. FA is a very effective data mining way; it was applied to enhance species features and reduce data...
A nondestructive optical method for determining the sugar and acidity contents of yogurt was investigated. Two types of preprocessing were used before the data were analyzed with multivariate calibration methods of principal component artificial neural network (PC-ANN) and partial least square (PLS). In PC-ANN models, the scores of the principal components were chosen as the input nodes for the input...
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