Title	3D Reconstruction of Scale-Invariant Features for Mobile Robot localization
Author	Dong-Fan Shen, Jong-Shill Lee, Se-Kee Kil, Je-Goon Ryu, Eung-Hyuk Lee, Seung-Hong Hong
Citation	Vol. 6  No. 3  pp. 101-109
Keywords	DoG, SIFT, 3D reconstruction, Localization

Title	Weighted Least-Squares Solutions for Energy-Based Collaborative Source Localization Using Acoustic Array
Author	Kebo Deng, Zhong Liu
Citation	Vol. 7  No. 1  pp. 159-165
Keywords	Acoustic sensors, Collaborative signal processing, Least squares, Sensor network, Source localization

Title	Processing of GPS Data with Difference HDOP in Guide Robot for the Visually Impaired
Author	Min-Soo Goh Dong-Fan Shen, Seung-Hong Hong
Citation	Vol. 7  No. 10  pp. 90-97
Keywords	HDOP, GPS, Guide Robot, Localization

Title	Geo-Location with Wireless Sensor Networks using Non-linear Optimization
Author	Abdellah Chehri, Paul Fortier, Pierre-Martin Tardif
Citation	Vol. 8  No. 1  pp. 145-154
Keywords	Wireless Sensor Networks, Localization, Non-Linear Least Squares, Optimization, Differential Evolution (DE).