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Asynchronous Online Examination Security System Using Occupancy Detection

Benilda E. V. Comendador, Dan Emille S. Molenilla, Glenn C. Sabales, Gabriel Angelo G. Suazo, and Jake R. Capangpangan
Polytechnic University of the Philippines, College of Computer and Information Sciences, Sta. Mesa, Manila, Philippines
Abstract—The paper introduces the capabilities of Occupancy Detection to enhance online examination security. Occupancy Detection determines the presence of a person in a particular area and uses sensors networking which includes Passive Infrared Relay (PIR) sensor and Ultrasonic (US) sensor. PIR is designed to detect motion from a heat-emitting source (such as a person entering a room) within. On the other hand, Ultrasonic sensors produce low intensity, inaudible sound and detect changes in sound waves caused by motion. This study aims to determine the accuracy of Asynchronous Online Examination Security System (AOESS) in terms of occupancy detection and computer vision. The computer vision part includes face detection of an intruder behind the examinee. The PIR and Ultrasonic sensors act as occupancy sensors to monitor the presence of the examinee and identify suspicious movements and possible intruders. The sensors and external camera were integrated into a single hardware called Asynchronous Web-Based Test Security Unit (AWTSU) which may be used for the monitoring of an examinee during an online examination.

Index Terms—asynchronous examination, occupancy detection, computer vision, passive infrared relay sensor, ultrasonic sensor

Cite: Benilda Eleonor V. Comendador, Bien Michael B. Francisco, Jefferson S. Medenilla, Sharleen Mae T. Nacion, and Timothy Bryle E. Serac, "Asynchronous Online Examination Security System Using Occupancy Detection," Journal of Automation and Control Engineering, Vol. 3, No. 2, pp. 141-145, April, 2015. doi: 10.12720/joace.3.2.141-145
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