Number of co-authors:5
Number of publications with 3 favourite co-authors:Julius J. Grodski:3Paul Milgram:3Shumin Zhai:1
David Drascic's 3 most productive colleagues in number of publications:Shumin Zhai:67Paul Milgram:20Peter Wong:3
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Publications by David Drascic (bibliography)
Drascic, David, Grodski, Julius J., Milgram, Paul, Ruffo, Ken, Wong, Peter and Zhai, Shumin (1993): ARGOS: A Display System for Augmenting Reality. In: Ashlund, Stacey, Mullet, Kevin, Henderson, Austin, Hollnagel, Erik and White, Ted (eds.) Proceedings of the ACM CHI 93 Human Factors in Computing Systems Conference April 24-29, 1993, Amsterdam, The Netherlands. p. 521.
This video describes the development of the ARGOS (Augmented Reality through Graphic Overlays on Stereovideo) system, as a tool for enhancing human-telerobot interaction, and as a more general tool with applications in a variety of areas, including image enhancement, simulation, sensor fusion, and virtual reality.
© All rights reserved Drascic et al. and/or ACM Press
Drascic, David (1991): Skill Acquisition and Task Performance in Teleoperation Using Monoscopic and Stereoscopic Video Remote Viewing. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 1367-1371.
There are many tasks hazardous to human life which can be accomplished remotely through telerobotic control. Robot technology has advanced to the stage where teleoperated manipulators are versatile and effective enough to be used successfully in a wide variety of circumstances. As telerobotic systems become more sophisticated, it is important to ensure that the human-machine interface is adequate for the task. One very important type of feedback information that is missing from standard telerobotic control stations is the immediate and compelling binocular coding of depth, which is thwarted through the use of standard monoscopic ("2D") video systems, making the operator dependent on other less salient visual depth cues. This is unfortunate, since most telemanipulation tasks require operators to have a good sense of the relative locations of objects in the remote world. To that end, a practical Stereoscopic Video (SV) system was developed that is compatible with standard video display and recording equipments. An experiment was conducted to examine the potential benefits of SV for teleoperation. The results showed that SV can aid teleoperation by reducing task execution times, reducing error rates, and reducing the time needed for training.
© All rights reserved Drascic and/or Human Factors Society
Milgram, Paul, Drascic, David and Grodski, Julius J. (1991): Enhancement of 3-D Video Displays by Means of Superimposed Stereo-Graphics. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 1457-1461.
This paper describes a number of aspects of a display technology under development, which involves the integration of stereoscopic computer graphics and stereoscopic video displays. The background and justification for this development are discussed, based on the need of operators of remotely controlled vehicles and/or manipulators to estimate absolute sizes and locations of objects at a remotely viewed site. The basic technology involves superimposing an interactively controllable computer-generated stereographic cursor onto a stereoscopically viewed video image. Absolute measurements can be made with this system, based on relative comparison of cursor position with target object location. Experimental results are presented in which the ability of subjects to perform such tasks was investigated. In general, results were promising; subjects were able to align virtual pointers with real targets essentially as well as they were able to manipulate real objects. A number of implications of this technology for the enhancement of three dimensional video displays are discussed.
© All rights reserved Milgram et al. and/or Human Factors Society
Milgram, Paul, Drascic, David and Grodski, Julius J. (1990): A Virtual Stereographic Pointer for a Real Three Dimensional Video World. In: Diaper, Dan, Gilmore, David J., Cockton, Gilbert and Shackel, Brian (eds.) INTERACT 90 - 3rd IFIP International Conference on Human-Computer Interaction August 27-31, 1990, Cambridge, UK. pp. 695-700.
A brief overview is given of a new display concept, involving superimposition of computer stereographic images onto a real world stereoscopic video display. The aim of the current system is to supply the user with a computer generated "virtual probe", for exploring, making measurements, and enhancing images within a real three dimensional video world. Development of the system is discussed, together with its capabilities and a number of practical considerations for its use. Although originally developed as an enhancement for telerobotic control only, use of the technology is predicted for a wide variety of novel multimedia applications.
© All rights reserved Milgram et al. and/or North-Holland
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