Predicting sensory evaluation of spinach freshness using machine learning model and digital images
Fig 4
Test set confusion matrices of 5-fold cross validated SVM classifier and ANN models.
True label is the mean value of the sensory evaluation: (a) a four-level classification, (b) a three-level classification, and (c) a two-level classification by SVM; (d) a four-level classification, (e) a three-level classification, and (f) a two-level classification by ANN.