Effects of lag and frame rate on various tracking tasks

Steve T. Bryson

doi:10.1117/12.157034

23 September 1993 Effects of lag and frame rate on various tracking tasks

Steve T. Bryson

Proceedings Volume 1915, Stereoscopic Displays and Applications IV; (1993) https://doi.org/10.1117/12.157034
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1993, San Jose, CA, United States

Abstract

Virtual environments involve the user in an interactive three- dimensional computer generated environment. The methods of interaction typically involve direct manipulation of virtual objects via three-dimensional trackers. The tracking signal may be degraded in various ways, impacting the ability of the user to perform various tasks. This presentation will address the impact of two types of degradation in the tracking signal, lag (transport delay) and low frame rate. These degradations are common in existing virtual reality systems. While the impact of lag on human performance is comparatively well studied, the impact of low frame rate has not been widely studied. The impact of lag and low frame rate on two tasks will be compared and studied: Pursuit tracking and placing. The tasks will be studied in a two-dimensional context, eliminating ambiguities due to three-dimensional perception and display. Simple conclusions will be drawn that can serve as guidelines for developers designing interactive virtual environments. The relationship between these conclusions and theories of human performance will be briefly addressed.110

Citation Download Citation

Steve T. Bryson "Effects of lag and frame rate on various tracking tasks", Proc. SPIE 1915, Stereoscopic Displays and Applications IV, (23 September 1993); https://doi.org/10.1117/12.157034

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available