Evaluation Of CBT For Increasing Threat
Detection Performance In X-ray Screening
Author(s)
A. Schwaninger & F. Hofer
Abstract
The relevance of aviation security has increased dramatically in recent years.
Airport security technology has evolved remarkably over the last decade, which
is especially evident for state-of-the-art X-ray screening systems. However, such
systems will only be as effective as the people who operate them. Recognizing
all kinds of prohibited items in X-ray images of passenger bags is a challenging
object recognition task. In this article we present a method to measure screener
detection performance based on signal detection theory. This method is applied
to measure training effects resulting from individually adaptive computer based
training (CBT). We have found large increases of detection performance and
substantial reductions in response time suggesting that CBT is a very effective
tool for increasing effectiveness and e
Keywords
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