Sterchi, Yanik
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Poster Presentation of Project Examples in the Field of Artificial Intelligence
2022-11-17, Schwaninger, Adrian, Sterchi, Yanik, Wäfler, Toni, Renggli, Philipp, Rack, Oliver, Bleisch, Susanne, Paneth, Lisa, Jeitziner, Loris Tizian, Gasparik, Matus, Zahn, Carmen
X-ray baggage screening performance in different work environments - a field study comparing remote screening and screening at the lane
2022-09-06, Latscha, Marius, Sterchi, Yanik, Sauer, Juergen, Schwaninger, Adrian
How realistic is threat image projection for X-ray baggage screening?
2022-03-13, Riz à Porta, Robin, Sterchi, Yanik, Schwaninger, Adrian
At airports, security officers (screeners) inspect X-ray images of passenger baggage in order to prevent threat items (bombs, guns, knives, etc.) from being brought onto an aircraft. Because threat items rarely occur, many airports use a threat-image-projection (TIP) system, which projects pre-recorded X-ray images of threat items onto some of the X-ray baggage images in order to improve the threat detection of screeners. TIP is regulatorily mandated in many countries and is also used to identify officers with insufficient threat-detection performance. However, TIP images sometimes look unrealistic because of artifacts and unrealistic scenarios, which could reduce the efficacy of TIP. Screeners rated a representative sample of TIP images regarding artifacts identified in a pre-study. We also evaluated whether specific image characteristics affect the occurrence rate of artifacts. 24% of the TIP images were rated to display artifacts and 26% to depict unrealistic scenarios, with 34% showing at least one of the two. With two-thirds of the TIP images having been perceived as realistic, we argue that TIP still serves its purpose, but artifacts and unrealistic scenarios should be reduced. Recommendations on how to improve the efficacy of TIP by considering image characteristics are provided.
Field study: Time on task for X-ray screening of cabin baggage
2021-10, Buser, Daniela, Schwaninger, Adrian, Sterchi, Yanik
The effects of workload and time on task on detection performance in X-ray cabin baggage screening
2022-04-21, Buser, Daniela, Schwaninger, Adrian, Sterchi, Yanik
Feldstudie zur aktuellen EU-Verordnung bzgl. der Arbeitsdauern bei der visuellen Inspektion von Gepäckröntgenbildern - Teil 2
2022-03-03, Sterchi, Yanik, Buser, Daniela, Schwaninger, Adrian
Field study regarding the work duration for the visual inspection of X-ray images of passenger baggage
2022-09-06, Sterchi, Yanik, Buser, Daniela, Sauer, Juergen, Schwaninger, Adrian
Field study regarding the work duration for the visual inspection of X-ray images of passenger baggage
2022-03-21, Buser, Daniela, Schwaninger, Adrian, Sterchi, Yanik
Examining artifacts of threat image projection for cabin baggage screening - results of a rating and detection performance study
2021-10-15, Riz à Porta, Robin, Sterchi, Yanik, Schwaninger, Adrian