A Full Stage Data Augmentation Method in Deep Convolutional Neural Network for Natural Image Classification

Figure 6

Classification results on CIFAR-10 before and after using full stage data augmentation method. (a)–(d) represent “no data augmentation,” “augmentation in training stage,” “augmentation in test stage,” and “full stage data augmentation,” respectively.

(a)

(b)

(c)

(d)