云环境中多地图室内定位隐私保护方案
厉天宸,付泽豪,姚恒,乐燕芬

Privacy-preserving scheme for multi-map indoor localization in cloud environments
Tianchen LI,Zehao FU,Heng YAO,Yanfen LE
图 7 不同距离匹配方法的定位误差 (K = 4)
Fig.7 Localization error of different distance matching methods (K = 4)