Improvised Explosive Device Detection Using CNN With X-Ray Images

Chakkaphat Chamnanphan (Lead Author), Surapol Vorapatratorn, Khwunta Kirimasthong, Tossapon Boongoen, Natthakan Iam-On

Research output: Contribution to journalArticlepeer-review

1 Citation (SciVal)
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Abstract

The concept of a smart city and its associated services have been extensively explored in terms of innovation development and the application of technological concepts. One of the significant concerns in promoting smart living is the security of personal lives and assets, which are at risk from organized crime and acts of terrorism. A considerable amount of attention is paid to preventing bomb attacks in public places, especially the detection of an Improvised Explosive Device (IED). This research focuses on developing an analysis model that can accurately classify instances of x-ray images of baggage or objects as containing IEDs or not. The model provides an alternative to conventional techniques that fail to detect concealed or hidden devices. For this specific project, sample images are generated by experts to cover a range of cases encountered in operations during the past decade. These images are then used to develop a deep learning model, employing several data augmentation methods to overcome the issue of a limited number of training samples. As compared to a related work that exploits neural networks, the proposed model usually achieves higher accuracy rates for unseen samples, with the best accuracy rate being 0.985. Furthermore, an empirical study is conducted to determine the optimal size of the training set that exhibits good predictive performance. The study reveals that a large training set, apart from using a lot of resources, may not yield the best results as it may indicate overfitting.

Original languageEnglish
Pages (from-to)674-684
Number of pages11
JournalJournal of Advances in Information Technology
Volume14
Issue number4
DOIs
Publication statusPublished - 19 Jul 2023

Keywords

  • augmentation
  • classification
  • Convolutional Neural Network (CNN)
  • detection
  • Improvised Explosive Device (IED)
  • x-ray image

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