Combination of an E-Nose and an E-Tongue for Adulteration Detection of Minced Mutton Mixed with Pork

Figure 3

Scatter plot of CDA with linear discriminant function: (a) E-tongue; (b) E-nose; (c) original sensor fusion of E-tongue and E-nose; (d) features extracted by stepwise LDA on original sensor fusion data; (e) combination of features of E-nose and E-tongue extracted by PCA; (f) features extracted by PCA on original sensor fusion data.

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