Schwaninger, Adrian
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Schwaninger
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Adrian
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Schwaninger, Adrian
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- Publikation3D imaging for hold baggage screening: The relevance of rotation and slicing functions(06.09.2022) Merks, Sarah; Sauer, Juergen; Schwaninger, Adrian06 - Präsentation
- PublikationAutomation reliability, human-machine system performance, and operator compliance. A study with airport security screeners supported by automated explosives detection systems for cabin baggage screening(04.05.2022) Hügli, David; Merks, Sarah; Schwaninger, Adrian06 - Präsentation
- PublikationAutomated explosives detection with 2D multi-view X-ray for baggage screening(10/2021) Hügli, David; Merks, Sarah; Schwaninger, Adrian06 - Präsentation
- PublikationAutomatisierte Sprengstofferkennung von 2D Röntgensystemen mit multi-view Technologie: gehört das Entfernen von elektronischen Gegenständen aus dem Handgepäck bald der Vergangenheit an?(04.03.2021) Hügli, David; Merks, Sarah; Schwaninger, Adrian06 - Präsentation
- PublikationAutomation reliability, human-machine system performance and operator compliance(24.11.2020) Hügli, David; Merks, Sarah; Schwaninger, Adrian06 - Präsentation
- PublikationHuman-automation interaction in a simulated cabin baggege screening task with automated explosives detection(18.03.2020) Hügli, David; Merks, Sarah; Schwaninger, Adrian06 - Präsentation
- PublikationAutomation, human factors and technology(20.09.2019) Merks, Sarah; Hügli, David; Hättenschwiler, Nicole; Schwaninger, Adrian06 - Präsentation
- PublikationAirport security X-ray screening of hold baggage: 2D versus 3D imaging and evaluation of an on-screen alarm resolution protocol(11.09.2019) Isenschmid, Myrta; Hättenschwiler, Nicole; Merks, Sarah; Schwaninger, AdrianThe screening of hold baggage at airports is currently changing from 2D to 3D imaging. In this context, we compared visual inspection performance of screeners using 2D imaging versus 3D imaging versus 3D imaging following a specific on-screen alarm resolution protocol (OSARP). In a simulated hold baggage screening task, professional screeners had to decide whether X-ray images contained an improvised explosive device or not. Results showed that there was no difference in detection performance (d') between 2D and 3D imaging. Visual inspection with 3D imaging following an OSARP resulted in higher detection performance compared to 2D and 3D imaging, but also in a more neutral response bias and longer reaction times. In conclusion, screeners currently working with 2D technology do not need extensive and specific training to achieve comparable detection performance with 3D imaging. However, the application of an OSARP has the potential to further increase screeners’ detection performance.06 - Präsentation
- PublikationX-ray screening of hold baggage: Are the same visual-cognitive abilities needed for 2D and 3D imaging?(10.09.2019) Zeballos, Melina; Merks, Sarah; Hättenschwiler, Nicole; Schwaninger, AdrianWith the transition from 2D to 3D imaging technology for security screening of passenger bags, the question arises whether airport security screeners need the same visual-cognitive abilities to successfully inspecting these images. This study investigated the relationship between visual-cognitive abilities and the visual inspection performance of screeners. 42 screeners conducted a visual-cognitive test battery (VCTB) and a simulated hold baggage screening task using 2D or 3D imaging technology. The VCTB included test scales measuring abilities underlying visual processing, processing speed and fluid intelligence. Results showed that only few aspects of processing speed and visual processing correlated significantly with performance using 2D imaging. Performance of screeners that inspected 3D images showed even less significant correlations. These results indicate that with the expected change from 2D to 3D imaging, visual-cognitive requirements of airport security screeners might change. Further studies need to elucidate what visual-cognitive skills future 3D screeners need.06 - Präsentation
- PublikationHuman-automation interaction in a simulated cabin baggage screening task with automated explosives detection(10.09.2019) Hügli, David; Merks, Sarah; Schwaninger, AdrianThis study investigated human-automation interaction with automated explosives detection systems for cabin baggage screening (EDSCB) depending on automation reliability. We conducted a laboratory experiment with 118 screeners of an international airport, which performed in a simulated X-ray screening task. We tested human-machine system performance in four test conditions: one baseline group with no EDSCB and three practically relevant EDSCB algorithms that varied systematically in automation reliability measures, i.e. accuracy, d’ and positive predictive value (PPV). Screeners had to detect improvised explosive devices, bare explosives, guns, or knives. EDSCB increased human-machine system performance for detecting explosives due to direct cueing of targets. The benefit of EDSCB depended on target difficulty and automation reliability in terms of d'. High false alarm rates caused a cry-wolf effect, especially for bare explosives. PPV of EDSCB explained screeners' compliance best. Our results suggest that operators use a probability-matching decision strategy, in particular for difficult targets06 - Präsentation