.png){kind=icon}
.png){kind=icon}
Return
FSVM: A Few-Shot Threat Detection Method for X-ray Security Images
.png){kind=icon}
OA
AI
C
J
P
M
D
DOI：10.3390/s23084069.png)
.png){kind=icon}
Original request for help.png){kind=icon}
Share.png){kind=icon}
Save
Abstract
En 中文
In recent years, automatic detection of threats in X-ray baggage has become important in security inspection. However, the training of threat detectors often requires extensive, well-annotated images, which are hard to procure, especially for rare contraband items. In this paper, a few-shot SVM-constraint threat detection model, named FSVM is proposed, which aims at detecting unseen contraband items with only a small number of labeled samples. Rather than simply finetuning the original model, FSVM embeds a derivable SVM layer to back-propagate the supervised decision information into the former layers. A combined loss function utilizing SVM loss is also created as the additional constraint. We have evaluated FSVM on the public security baggage dataset SIXray, performing experiments on 10-shot and 30-shot samples under three class divisions. Experimental results show that compared with four common few-shot detection models, FSVM has the highest performance and is more suitable for complex distributed datasets (e.g., X-ray parcels).
Keywords:
X-ray images
baggage threat detection
few-shot learning
support vector machine
Journal
IF:
3.5
Papers:
7.1W
Citations:
20.9W
Organization
Cited Papers