Björn Blissing

I am a staff research scientist at the Swedish National Road and Transport Research Institute (VTI) , where I work on driving simulation for road and rail vehicles.

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Research

I'm interested in Driving Simulation and Virtual Reality. Much of my research is about finding what factors affects the validaty of driving simulators.

Driver behavior in mixed and virtual reality – a comparative study
Björn Blissing, Fredrik Bruzelius, Olle Eriksson
Transportation Research Part F: Traffic Psychology and Behaviour, 2019
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We investigate how different modes of virtual reality affects driver behaviour when driving a real vehicle on a test track.

Field-of-View Exploring the suitability of virtual reality for driving simulation
Björn Blissing, Fredrik Bruzelius
Proceedings of the Driving Simulation Conference 2018
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Meta-analysis of previous driving simulator studies in order to find which studies would be transferable to virtual reality given the current technological limiations.

DK1 Sightline Effects of Visual Latency on Vehicle Driving Behavior
Björn Blissing, Fredrik Bruzelius, Olle Eriksson
ACM Transactions on Applied Perception, 2016
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We investigate how visual latency in a video see-through head-mounted display affects driver behaviour.

Tracking Tracking techniques for automotive virtual reality
Björn Blissing
VTI Notat, 2016
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This report is a review of available technologies for tracking the user in virtual reality system and how these technologies are used in automotive virtual reality.

Sim IV A Technical Platform Using Augmented Reality For Active Safety Testing
Björn Blissing, Fredrik Bruzelius
Proceedings of the 5th International Conference on Road Safety and Simulation, 2015
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The design of a video see-through augmented reality system for active safety testing.

parallax Performance and presence with head-movement produced motion parallax in simulated driving
Lars Eriksson, Lisa Palmqvist, Jonas Andersson Hultgren, Björn Blissing, Steven Nordin
Transportation Research Part F: Traffic Psychology and Behaviour, 2015
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We investigate the added performance and presence when introducing head-movement produced motion parallax in a driving simulator.

Sim IV Design and performance of the VTI Sim IV
Jonas Jansson, Jesper Sandin, Bruno Augusto, Martin Fischer, Björn Blissing, Laban Källgren
Proceedings of the Driving Simulation Conference 2014
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Paper describing the design and validation of the VTI Simulator 4 facility.

Augmented and Mixed Reality as a tool for evaluation of Vehicle Active Safety Systems
Björn Blissing, Fredrik Bruzelius, Johan Ölvander
Proceedings of the 4th International Conference on Road Safety and Simulation, 2013
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State-of-the-art in how Augmented Reality is used in the automotive sector. This paper also contains a more general part regarding display technology and tracking technology, but with a focus on their benefits and drawbacks for automotive use.

Parallax Tracking Effects of motion parallax in driving simulators
Jonas Andersson Hultgren, Björn Blissing, Jonas Jansson
Proceedings of the Driving Simulation Conference 2012
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An advanced camera-based system was used to track the head movements of the simluator driver. The tracking data fed to the simulation software to display the image with correct parallax with respect to the drivers head position.

LDW or Rumble Strips in Unintentional Lane Departures: Driver Acceptance and Performance
Lars Eriksson, Anne Bolling, Torbjörn Alm, Anders Andersson, Christer Ahlström, Björn Blissing, Göran Nilsson
The 4th International Conference on Applied Human Factors and Ergonomics, 2012
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We investigate car drivers’ acceptance of rumble strips and lane departure warning system (LDW), respectively, and driving performance with each of these warning types.

Projects
OsgOculusViewer OsgOculusViewer

Oculus integration for OpenSceneGraph. The software was developed during my Ph.D. research and used in multiple research projects at VTI. The code is available as open-source and has been used by users worldwide, both researchers and VR-enthusiasts.

OsgOculusViewer at GitHub
SimFot SimFot

Virtual Reality solution developed to study pedestrian interactions with automated vehicles. The solution was developed using Unreal Engine and a head-mounted display upgraded with eye-tracking capabilities from Tobii. The project required writing a plugin for integrating the Tobii-eye tracking data with the visualization in virtual reality. This visualization enabled the researchers to see where the research subjects’ attention were.

Report (Swedish)
Visir Visir

Image generator for road and rail simulators, ranging from small single screen desktop simulators up to full-motion 6-DOF simulators with multi-node graphics capabilities. The image generator is capable of loading pre-generated environments and creating procedural environments based on open formats such as OpenDrive. The image generator is used for all VTI simulators. It has also been used by multiple partner companies and research centers in Sweden and abroad.


Design and source code from Jon Barron's website