Perceptually Oriented Ego — Motion Simulation

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MILESTONES

POEMS ultimately results in specifications for a lean, elegant, and cost-efficient multi­modal VR system yielding high spatial presence and convincing simulation of ego-motion as well as tools and procedures for its realization. Further milestones are a distributed, low latency multi-modal VR system, a subjective methodology for quantifying spatial presence, a model of multi-modal cue interaction for perceived ego-motion and spatial presence.

WORK DESCRIPTION

Chalmers provides expertise in the field of high-end 3D auditory and vibrational rendering, while MPI-T's expertise lies in the field of high-end visual, vibrational, and vestibular rendering. The work within POEMS contains the following steps:

1. Establishing VR set-ups at both partner's labs including auditory-visual-vibrational technique, which allow a comparable baseline performance for subsequent experiments;
2. Refining introspective state of the art methodologies, which will be used in parallel with other measures throughout the project;
3. Performing psychophysical experiments to establish auditory, visual, vestibular, and vibrational rendering parameters important for perceiving spatial presence and ego-motion. Furthermore, a first mathematical model of the contribution of rendering parameters and cross-modal effects to spatial presence and ego-motion will be developed;
4. Performing physiological experiments (body sway) to establish auditory, visual and vibrational rendering parameters important for ego-motion perception. The mathematical model will be refined accordingly;
5. Performing behavioural experiments to establish auditory, visual, and vibrational rendering parameters important for the behaviorally relevant aspects of spatial presence and ego-motion perception;
6. Investigating the potential benefit of using different interface metaphors and transitions between real and virtual worlds, and how these may be used to enhance the sense of spatial presence and ego-motion;
7. Combining the knowledge gained throughout the project and validating the resulting model in high-level experiments. A final spatial presence model will be developed and used to outline a lean, elegant motion simulation set-up that gives the user a high sense of spatial presence and ego-motion at a low cost.