A Hybrid Wi-Fi Fingerprint-Based Localization Scheme Achieved by Combining Fisher Score and Stacked Sparse Autoencoder Algorithms

Table 1

Localization performances of different localization methods.

Algorithm	Mean error (m)	Medium error (m)	Maximum error (m)	Time (s)
One-step WKNN	2.76	1.75	9.72	1.200
One-step MLP	3.76	2.46	13.84	0.330
One-step RF	4.21	3.70	11.23	0.097
Hierarchical WKNN	4.12	3.18	10.43	0.437
Hierarchical MLP	3.20	2.46	10.58	0.008
Hierarchical RF	2.31	2.15	5.52	0.085