References
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- Low Kok Shin, Soohong Park," A Study On Using Ultrasonic Position System As A 3D Free-Hand Writing Or Drawing Tool In The Air", Conference of The Institute of maritime Information & Communication Sciences Navigation , Autume, 2006
- Rudy Negenborn, Robot Localization and Kalman Filters, Thesis number: INF/SCR-03-09, September 1, 2003
- Magnus Norgaard, Niels K. Poulsen & Ole Ravn, Advance in Derivative-Free State Estimation for Nonlinear System, April 7, 2000
- Low Kok Shin," Robot Localization with Kalman Filter & Ultrasonic Positioning System, Thesis of Masters, Dongseo University, June, 2007
- Low Kok Shin, Soohong Park," Performance Analysis of Free-Style Writing and Drawing using Ultrasonic Position System," Journal of The Institute of maritime Information & Communication Sciences Navigation , vol. 6, No. 1, 2008