Table 6: Confusion matrix of food type recognition.

Predicted
C1 C2 C3 C4

Actual
 C1: rice and dish 0.94 0.04 0.01 0.00
 C2: miso soup 0.12 0.84 0.04 0.00
 C3: noodles 0.02 0.02 0.90 0.06
 C4: shrimp 0.01 0.01 0.11 0.88