Browsing by Author "Sahin Y.G."

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Citation - Scopus: 4
An Improved Interactive Whiteboard System: a New Design and an Ergonomic Stylus
(2010) Sahin Y.G.; Yucel K.; Orhan N.; Misirli G.; Bal G.
Interactive whiteboards (IWB) are very useful tools to facilitate the understanding of audience, and they have successfully been used for a number of years in the field of education. However, due to the manufacturing expenses and the overheads of required environmental devices, many interactive whiteboard systems (IWBS) are too expensive, and therefore, may not be feasible solutions. However, it is possible to implement IWBs without purchasing additional equipments, thus benefiting from IWBS at a low cost with reduced system requirements. The features of Nintendo Wii Remote Controller (NWRC), such as camera for tracking infrared lights and Bluetooth module for connection, make it very convenient tool for developing an interactive whiteboard system. This system reduces the manufacturing costs, provides a wide-range use, and portability. NWRC has been used in education for many purposes for several years. This paper addresses the solutions of several problems caused by IWBS with NWRC such as ergonomics of the IR pen, reflection problems, and interruption on drawing; thus it proposes very convenient, cost effective, useful interactive whiteboard system that can be used in education. © 2010 IEEE.
Citation - Scopus: 4
Rt-Hrle: a System Design for Real-Time Hazards Reporting and Loss Estimation Using Wireless Sensors
(2010) Fawzy D.E.; Sahin Y.G.
This paper presents a high level design for a scalable and extendable real-time hazard reporting and loss estimation system (RT-HRLE) which helps evaluating the initial estimation of economic losses in case of natural or man-made disasters. The system allows real-time monitoring, tracking of missed people inside buildings and reports partial or total destruction of buildings to a central database. Estimation of the actual number of missed persons inside buildings at the moment of disasters can be also reported to help accelerating medical and disaster relief assistance. The system is based on measuring the changes of the geometrical dimensions of buildings using smart wireless sensors. Reported changes are then automatically compared with pre-configured evaluations to compute the total loss. Collected data for loss estimation are useful for analyzing hazards and vulnerabilities. The current system can be extended to measure cracks in bridges after the earthquake without the need for human intervention. © 2010 IEEE.