Obfuscated Tor Traffic Identification Based on Sliding Window

Figure 3

Heatmaps of DTW distance matrix. (a) The heatmap of matrix which is calculated between every two vectors of X and X, (b) the heatmap of matrix , and (c) the heatmap of the matrix . Here, X is the sets of packet size vectors of Obfs4-based Tor traffic, and Y is those sets of FTE-based Tor traffic.

(a)

(b)

(c)