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IEICE Trans

Sae IWATA

A Robust Indoor/Outdoor Detection Method Based on Spatial and Temporal Features of Sparse GPS Measured Positions
Sae IWATA Kazuaki ISHIKAWA Toshinori TAKAYAMA Masao YANAGISAWA Nozomu TOGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2019/06/01
Vol. E102-A  No. 6  pp. 860-865
Type of Manuscript:  LETTER
Category: Intelligent Transport System
Keyword: 
indoor/outdoor detection, sparse GPS, random forest classifier, 
 Summary | Full Text:PDF
A Stayed Location Estimation Method for Sparse GPS Positioning Information Based on Positioning Accuracy and Short-Time Cluster Removal
Sae IWATA Tomoyuki NITTA Toshinori TAKAYAMA Masao YANAGISAWA Nozomu TOGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2018/05/01
Vol. E101-A  No. 5  pp. 831-843
Type of Manuscript:  PAPER
Category: Intelligent Transport System
Keyword: 
sparse GPS positioning, clustering, stayed location estimation, positioning accuracy, effective radius, 
 Summary | Full Text:PDF