Faculty of Engineering, Computer Science & Engineering

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item: Thesis-Abstract
Handling adversaries in image recognition deep neural networks
(2022) Amarasinghe PT; Chitraranjan C
Deep neural networks play a vital role in image recognition. There are so many mission-critical applications that use deep neural networks for image recognition. With the popularization of deep neural networks, attackers have identified their downsides of them when it comes to image recognition. Some ways can create images that can fool even deep neural networks. These images are commonly known as adversarial images. So attackers use these adversarial images to fool image recognition neural networks to develop a negative picture about using neural networks for image recognition. And even sometimes, attackers use these loopholes to conduct criminal activities as well. Keeping all these aspects in mind the idea of the research is to develop a viable solution that can tackle the main two attack techniques. The research will focus on developing adversarial images using main attacking techniques and developing a defense mechanism for those attacks. The defense technique used in the research is a combination of two techniques called adversarial training and defense distillation. As the outcome of the project accuracy of the proposed solution is measured against a typical deep neural network-based image recognition system using data samples containing adversarial images.