Fig. 1. Schematic diagram of the classification method based on SVM and correlation imaging

Fig. 2. Partial images and classification results of the digit"2". (a) Discrimination of identical handweitten digits; (b) variation curves of bucket detection values against patterns

Fig. 3. Classification results of different digits. (a) Experimental setup; (b) experimental and simulation results

Fig. 4. Classification accuracy of each digit in the test set

Fig. 5. Classification accuracy of different classification methods on the MNIST dataset