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Two‐step Prediction and Image Deflection for Exact Head Tracking in Virtual Environments
Author(s) -
Mazuryk Tomasz,
Gervautz Michael
Publication year - 1995
Publication title -
computer graphics forum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 120
eISSN - 1467-8659
pISSN - 0167-7055
DOI - 10.1111/j.1467-8659.1995.cgf143_0029.x
Subject(s) - computer science , computer vision , artificial intelligence , software , deflection (physics) , tracking error , virtual reality , lag , simulator sickness , simulation , computer graphics (images) , physics , control (management) , optics , programming language , computer network
Time lag and image jittering are the main reasons for destroying the feeling of reality in most virtual environments. They cause motion sickness because human beings are simply not used to unrealistically generated feedback. This paper proposes advanced software methods that greatly reduce these unwanted effects: a new improved two‐step prediction method for better head tracking, an image deflection technique to reduce remaining error and a new software configuration that allows the full use of available hardware capabilities. Our improved prediction technique reduces prediction error by 50% in comparison to standard methods. The image deflection allows to extend the prediction distance by 100% while keeping the error below a tolerable level.