Browsing by Author "Roksana Islam"
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- ItemOpen AccessAutonomous Air Defense System for National Security(North South University, 2020) Fazle Rabby Khan; Md. Muhabullah; Roksana Islam; Mohammad Monirujjaman Khan; 1611089042; 1611090042; 1620686042Air defense systems were designed to reduce threats efficiently and thus protect the country from major attacks. It is therefore a fundamental part of any country around the world because it provides national security. This paper presents the development of an Autonomous Air Defense System (AADS) which will automatically detect aerial threats (e.g. drones) and target them without any human intervention. The AADS is implemented using a radar, camera and laser-gun. The Radar system dynamically emits microwaves and detects objects around it. It triggers the camera system if it senses the frequency of any aerial threat. The camera receives the radar’s signal and detects using a neural network whether it’s a threat or not. Neural network algorithms are used for the detection and classification of objects. The Laser gun locks its target if the live video feed classifies an object as a threat of more than 75%. In the detection stage an average loss of 0.184961 was achieved using YOLOv3 and 0.155 using Faster RCNN. This system will ensure that no human errors are made while detecting threats in a region and improve national safety.