Research Article

Privacy-Preserving Multipoint Traffic Flow Estimation for Road Networks

Figure 13

Performance comparison with respect to standard deviation for N = 2 RSUs (variable (n) at each RSU, m = 8000 for our method, and m = 2log (nf) for Zhou et al.). (a) n ∈ [300, 600]. (b) n ∈ [500, 1000]. (c) n ∈ [1000, 2000]. (d) n ∈ [1500, 2000].
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