Journal of Spectroscopy / 2014 / Article / Fig 5

Research Article

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

Figure 5

Probabilistic principal component analysis (PPCA).
150636.fig.005a
(a) Observation spectral data
150636.fig.005b
(b) PPCA reconstruction spectral data
150636.fig.005c
(c) PPCA reconstruction residuals

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