Elsevier

Computers & Graphics

Volume 17, Issue 6, November–December 1993, Pages 655-661
Computers & Graphics

Virtual reality
Advanced interaction techniques in virtual environments

https://doi.org/10.1016/0097-8493(93)90114-OGet rights and content

Abstract

Fundamental to much of the Virtual Reality work is, in addition to high-level 3D graphical and multimedia scenes, research on advanced methods of interaction. The “visitor” of such virtual worlds must be able to act and behave intuitively, as he would in everyday situations, as well as receive expectable natural behaviour presented as feedback from the objects in the environment, in a way that he/she has the feeling of direct interaction with his/her application. In this paper we present several techniques to enrich the naturalness and enhance the user involvement in the virtual environment. We present how the user is enabled to grab objects without using any specific and elaborate hand gesture, which is more intuitive and close to the way humans are used to do. We also introduce a technique that makes it possible for the user to surround objects without any force-feedback interaction device. This technique allows the user to surround or “walk” with the virtual hand on the object's surface and look for the best position to grab it.

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There are more references available in the full text version of this article.

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