Research Article

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

Table 3

Data fusion methods for E-nose and E-tongue.

Fusion levelMethodsNo. of parameters

LowNormalization after combination17
Feature extracted by step-LDA16
Extraction of features by principle components9

MidlevelCombination of extracted principle components11