An Active Learning Method Based on Variational Autoencoder and DBSCAN Clustering

Table 3

Mean test accuracy (%) of different clustering methods on MNIST.

Number of labeled examples	Random (%)	K-means with VAE (%)	Mean shift with VAE (%)	DBSCAN with VAE (%)
15	44.6	48.36	48.34	49.76
20	47.2	57.77	49.97	58.51
25	54.56	58.77	56.99	59.67
30	55.42	61.68	57.38	60.90
35	60.27	64.09	63.34	64.38
40	65.17	65.50	64.95	69.02
45	67.53	66.57	68.83	69.68
50	68.04	69.24	69.18	71.28