Taimur Hassan
Meta-Transfer Learning Driven Tensor-Shot Detector for the Autonomous Localization and Recognition of Concealed Baggage Threats
Hassan, Taimur; Shafay, Muhammad; Akçay, Samet; Khan, Salman; Bennamoun, Mohammed; Damiani, Ernesto; Werghi, Naoufel
Authors
Muhammad Shafay
Dr Samet Akcay samet.akcay@durham.ac.uk
Academic Visitor
Salman Khan
Mohammed Bennamoun
Ernesto Damiani
Naoufel Werghi
Abstract
Screening baggage against potential threats has become one of the prime aviation security concerns all over the world, where manual detection of prohibited items is a time-consuming and hectic process. Many researchers have developed autonomous systems to recognize baggage threats using security X-ray scans. However, all of these frameworks are vulnerable against screening cluttered and concealed contraband items. Furthermore, to the best of our knowledge, no framework possesses the capacity to recognize baggage threats across multiple scanner specifications without an explicit retraining process. To overcome this, we present a novel meta-transfer learning-driven tensor-shot detector that decomposes the candidate scan into dual-energy tensors and employs a meta-one-shot classification backbone to recognize and localize the cluttered baggage threats. In addition, the proposed detection framework can be well-generalized to multiple scanner specifications due to its capacity to generate object proposals from the unified tensor maps rather than diversified raw scans. We have rigorously evaluated the proposed tensor-shot detector on the publicly available SIXray and GDXray datasets (containing a cumulative of 1,067,381 grayscale and colored baggage X-ray scans). On the SIXray dataset, the proposed framework achieved a mean average precision (mAP) of 0.6457, and on the GDXray dataset, it achieved the precision and F1 score of 0.9441 and 0.9598, respectively. Furthermore, it outperforms state-of-the-art frameworks by 8.03% in terms of mAP, 1.49% in terms of precision, and 0.573% in terms of F1 on the SIXray and GDXray dataset, respectively.
Citation
Hassan, T., Shafay, M., Akçay, S., Khan, S., Bennamoun, M., Damiani, E., & Werghi, N. (2020). Meta-Transfer Learning Driven Tensor-Shot Detector for the Autonomous Localization and Recognition of Concealed Baggage Threats. Sensors, 20(22), Article 6450. https://doi.org/10.3390/s20226450
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 3, 2020 |
Online Publication Date | Nov 12, 2020 |
Publication Date | 2020-11 |
Deposit Date | Nov 17, 2020 |
Publicly Available Date | Nov 17, 2020 |
Journal | Sensors |
Electronic ISSN | 1424-8220 |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 20 |
Issue | 22 |
Article Number | 6450 |
DOI | https://doi.org/10.3390/s20226450 |
Public URL | https://durham-repository.worktribe.com/output/1285701 |
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Copyright Statement
© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
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