Figure 16

The accuracy curve and loss curve of model training in dog facial expression recognition. (a) The accuracy curve of the LeNet-5. (b) The loss curve of the LeNet-5. (c) The accuracy curve of the CNN. (d) The loss curve of the CNN. (e) The accuracy curve of the WOA-CNN. (f) The loss curve of the WOA-CNN. (g) The accuracy curve of the IWOA-CNN. (h) The loss curve of the IWOA-CNN.