mohammad hosntalab ph.d., student, faculty of engineering, science and research branch, islamic azad university (iau), tehran, iran reza aghaeizadeh zoroofi associate professor, control and intelligent processing center of excellence, school of electrical and computer engineering, college of engineering, university of tehran, tehran, iran ali abbaspour tehrani-fard assistant professor, faculty of engineering, science and research branch, islamic azad university (iau), tehran, iran gholamreza shirani assistant professor, oral & maxillofacial surgery department, faculty of dentistry medical science of tehran university, tehran, iran