Saritchai Predawan1, Chom Kimpan1, and Chai Wutiwiwatchai2 1Faculty of Information Technology, Rangsit Universi ty, Thailand 2National Electronics and Computer Technology Center , Ministry of Science and Technology, Thailand
Rao1 and Prudhivi Mallikarjuna Rao2 1Department of ECE, Aditya Institute of Technology a nd Management, India 2Department of ECE, Andhra University College of Eng ineering, India