Dr. Franziska Hofer
 Research Scientist

Franziska Hofer was a VICOREG member 2000-2007:
- M Sc UZH 2002
- PhD Thesis 2006

She works currently at Zurich State Police, Airport Division, Quality Management.
   

Main Research Areas

  • Aviation Security Human Factors
  • Psychophysics and Signal Detection Theory
  • Applied Vision Research

Further Information

Lectures / Teaching

Publications

Peer Reviewed Articles

Schwaninger, A., Vogel, J., Hofer, F., & Schiele , B. (2006). Psychophysically plausible computational modelling of scene typicality. ACM Transactions on Applied Perception, 3(4) , 333–353. [PDF] [Project]

Schwaninger, A., Hardmeier, D., & Hofer, F. (2005). Aviation security screeners visual abilities & visual knowledge measurement . IEEE Aerospace and Electronic Systems, 20(6), 29-35. [PDF] [Project]

Schwaninger, A., Ryf, S., & Hofer, F. (2003). Configural information is processed differently in perception and recognition of faces. Vision Research, 43, 1501-1505. [PDF] [Project]

Menozzi, M., Hofer, F., Näpflin, U., & Krueger, H. (2003): Visual performance in augmented reality systems for mobile use. International Journal of Human-Computer Interaction, 16 (3), 447-460. 

Book Chapters

Hofer F., & Schwaninger, A. (2005). Using threat image projection data for assessing individual screener performance. In: C.A.Brebbia, T. Bucciarelli, F. Garzia, and M.Guarascio, WIT Transactions on the Built Environment (82), Safety and Security Engineering (pp. 417-426). Wessex: WIT Press. [PDF] [Project]

Schwaninger, A. & Hofer, F. (2004). Evaluation of CBT for increasing threat detection performance in X-ray screening. In: K. Morgan and M. J. Spector, The Internet Society 2004, Advances in Learning, Commerce and Security (pp. 147-156). Wessex: WIT Press. [PDF] [Project]

White Papers

Schwaninger, A., Bridges, A.P., Drury, C., Durinckx, F., Durrant, P., Hodge, T., Hofer, F., Jongejan, R., Maguire, R.L., McClumpha, A., Neiderman, E., Steinmann, C., Wüest, W. (2005). Principles and Requirements for Assessing X-Ray Image Interpretation Competency of Aviation Security Screeners. White Paper, International Aviation Security Human Factors Technical Advisory Group (InterTAG), ad hoc Working Group on Competency Assessment (CAWG). [Project]

Short Conference Papers

Wetter, O., Hardmeier, D., & Hofer, F. (in press). Covert Testing at Airports: Exploring Methodology and Results. Proceedings of the 42st Carnahan Conference on Security Technology, Prag, October 13-16, 2008.

Chiller-Glaus, S. D., Schwaninger, A., & Hofer, F. (2007). Identity verification from photographs in travel Documents: The role of display duration and orientation on performance. In Proceedings of the Human Factors and Ergonomics Society 51st Annual Meeting (pp. 1327-1330). Santa Monica, CA: Human Factors and Ergonomics Society. [PDF] [Project]

Schwaninger, A., Hofer, F., & Wetter, O.E. (2007). Adaptive computer-based training increases on the job performance of x-ray screeners. Proceedings of the 41st Carnahan Conference on Security Technology, Ottawa, October 8-11, 2007. [PDF] [Project]

Hardmeier, D., Hofer, F., & Schwaninger, A. (2006a). Increased detection performance in airport security screening using the x-ray ort as pre-employment assessment tool. Proceedings of the 2nd International Conference on Research in Air Transportation, ICRAT 2006, Belgrade, Serbia and Montenegro, June 24-28, 2006, 393-397. [PDF] [Project]

Hardmeier, D., Hofer, F., & Schwaninger, A. (2006b). The role of recurrent CBT for increasing aviation security screeners' visual knowledge and abilities needed in x-ray screening. Proceedings of the 4th International Aviation Security Technology Symposium, Washington, D.C., USA, November 27 – December 1, 2006, 338-342. [PDF] [Project]

Hardmeier , D., Hofer, F., & Schwaninger, A. (2005). The x-ray object recognition test (x-ray ort) – a reliable and valid instrument for measuring visual abilities needed in x-ray screening. IEEE ICCST Proceedings, 39, 189-192 . [PDF] [Project]

Hofer, F. & Schwaninger, A. (2004). Reliable and valid measures of threat detection performance in X-ray screening. IEEE ICCST Proceedings, 38, 303-308. [PDF] [Project]

Schwaninger, A., Hardmeier, D., & Hofer, F. (2004). Measuring visual abilities and visual knowledge of aviation security screeners. IEEE ICCST Proceedings, 38, 258-264. [PDF] [Project]

Presentations and Posters

Invited Presentations

Hofer, F. (2005). Threat Image Projection (TIP) Data Analysis. Invited lecture at the multilateral workshop on threat image projection (TIP) by the European Civil Aviation Conference (ECAC) and Technical Assistance and Information Exchange unit (TAIEX), Tallinn, 24.03.2005.

Presentations

Hofer, F., Chiller-Glaus, S., & Schwaninger, A. (2007). Identity Verification in Travel Documents. In K. F. Wender et. al. (Hrsg.). Beiträge zur 49. Tagung experimentell arbeitender Psychologen. Lengerich, Pabst (S. 163).

Veres, B., Hofer, F., & Schwaninger, A. (2007). The Time Course of Matching Unfamiliar Faces from External and Internal Features. In K. F. Wender et. al. (Hrsg.). Beiträge zur 49. Tagung experimentell arbeitender Psychologen. Lengerich, Pabst (S. 164).

Hofer, F., & Schwaninger, A. (2006). Reliable und valide Messung der Erkennungsleistung von verbotenen Gegenständen in Röntgenbildern von Gepäckstücken. In H. Hecht, S. Berti, G. Meinhardt, & M. Gamer (Hrsg.), Beiträge zur 48. Tagung experimentell arbeitender Psychologen (TeaP) 2006 in Mainz. Lengerich: Pabst (S. 206).

Hardmeier, H., Hofer, F., & Schwaninger, A. (2006). Der Objekterkennungstest (ORT) - ein reliables und valides Instrument zur Messung visueller Fähigkeiten in Röntgenbildern. In H. Hecht, S. Berti, G. Meinhardt, & M. Gamer (Hrsg.), Beiträge zur 48. Tagung experimentell arbeitender Psychologen (TeaP) 2006 in Mainz. Lengerich: Pabst (S. 205).

Chiller, S. Kleiner, M., Hofer, F., Knappmeyer, B., & Schwaninger, A. (2006). Erkennung von emotionalen Gesichtsausdrücken in bewegten und statischen Gesichtern. In H. Hecht, S. Berti, G. Meinhardt, & M. Gamer (Hrsg.), Beiträge zur 48. Tagung experimentell arbeitender Psychologen (TeaP) 2006 in Mainz. Lengerich: Pabst (S. 220).

Hofer, F., & Schwaninger, A. (2005). Individuell adaptives computerbasiertes Training (CBT) für Bombenerkennung in Röntgenbildern von Gepäckstücken – Effektiv und effizient. In K. W. Lange,  K. H. Bäuml, M. W. Greenlee, M. Hammerl, & A. Zimmer (Hrsg.), Experimentelle Psychologie - Beiträge zur 47. Tagung experimentell arbeitender Psychologen (TeaP) 2005 in Regensburg. Lengerich: Pabst (S. 83).

Hofer, F., Hardmeier, D., & Schwaninger, A. (2004). Visual Abilities in the Recognition of Forbidden Objects in X-Ray Images. In D. Kerzel, V. Franz & K. Gegenfurtner (Hrsg.), Beiträge zur 46. Tagung experimentell arbeitender Psychologen (TeaP) 2004 in Giessen. Lengerich: Pabst.

Hofer, F., Schwaninger, A., & Michel. S. (2003). Top-Down Effekte in der Objekterkennung. Vortrag an der 45. Tagung experimentell arbeitender Psychologen (TEAP) in Kiel.

Hofer, F., Schwaninger, A., & Michel. S. (2003). Top-Down Effects in Object Recognition. Presentation at the 8th Congress of the SGP/SSP, Bern, Switzerland.

Posters

Hofer, F., & Schwaninger, A. (2005). Measuring the Effectiveness of Individually Adaptive Computer Based Training (CT). In: H.H. Bülthoff, H.A. Mallot, R. Ulrich & F.A. Wichmann (Hrsg), Proceedings of the 8th Tübinger Perception Conference. Kirchentellinsfurt: Knirsch.

Schwaninger, A., Michel., S. Hofer, F., & Bülthoff, H.H. (2003). The Role of Co-occurence of Objects for View-Based Object Recognition. In: H.H. Bülthoff, K. Gegenfurtner, H.A. Mallot, R. Ulrich & F.A. Wichmann (Hrsg), TWK 2003, 6. Tübinger Wahrnehmungskonferenz. Kirchentellinsfurt: Knirsch.

Hardmeier, D., Schwaninger, A., & Hofer, F. (2003). Recognition of Forbidden Objects in X-Ray Images. Poster presented at the 8th Congress of the SGP/SSP, Bern, Switzerland.

Schwaninger, A., & Hofer, F. (2002). Overestimation of 15-40 percent of configural information in faces: The role of geometrical illusions. In: H.H. Bülthoff, K. Gegenfurtner, H.A. Mallot & R. Ulrich (Hrsg), TWK 2002, Beiträge zur 5. Tübinger Wahrnehmungskonferenz. Kirchentellinsfurt: Knirsch.

Hofer, F., & Schwaninger, A. (2001). An integrative model for effects of orientation and expertise upon face and object recognition. Poster presented at the 7th Congress of the SGP/SSP, Lausanne, Switzerland.

Schwaninger, A., & Hofer, F. (2001). When object recognition becomes as orientation sensitive as face recognition. Poster presented at the 4th Tübinger Wahrnehmungskonferenz, Tübingen, Germany.