Journal of Spectroscopy / 2014 / Article / Tab 1

Research Article

Online Monitoring of Water-Quality Anomaly in Water Distribution Systems Based on Probabilistic Principal Component Analysis by UV-Vis Absorption Spectroscopy

Table 1

Summary of traditional approaches for water-quality event detection with UV-Vis.

ApproachBenefitsConfines

Single/double wavelengthWell-developed, simpleVulnerable to external influences
DeconvolutionCombination of mechanismsRequire preacknowledge of contaminant category
ANN or SVMNonlinear modelsLarge number of samples are required
PCA with PLSLinear decomposition with feature extractionLack of flexibility

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