Home

Browse
Communities
& Collections

Issue Date
Author
Title
Subject

Sign on to:

My Account
authorized users

Edit Profile

Help
 Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/16733

 Title: Interaction with Volumetric Displays Authors: Grossman, Tovi Advisor: Balakrishnan, Ravin Department: Computer Science Keywords: Volumetric Display3D Interaction Issue Date: 19-Jan-2009 Abstract: For almost 50 years, researchers have been exploring the use of stereoscopic displays for visualizing and interacting with three-dimensional (3D) data. Unfortunately, a number of unfavorable qualitative properties have impeded the wide-spread adoption of traditional 3D displays. The volumetric display, a more recent class of 3D display to emerge, possesses unique features which potentially makes it more suitable for integration into workplace, classroom, and even home environments. In this dissertation we investigate volumetric displays as an interactive platform for 3D applications. We identify the inherent affordances unique to volumetric displays, such as their true 3D display volume, 360° viewing angle, and enclosing surface. Identifying these properties exposes human factor issues which we investigate and interaction issues which we address. First, we evaluate the user’s ability perceive imagery displayed by a volumetric display. In a formal experiment, we show that depth perception can be improved, in comparison to more traditional platforms. We then perform an experiment which evaluates users’ ability to read text under 3D rotations, and present a new algorithm which optimizes text rotation when viewed my multiple users. Next, we investigate the user’s ability to select 3D imagery within the display. Results show that the dimension defining the depth of the object can constrain user performance as much as or more than the other two dimensions of the target. This leads us to explore alternative methods of selection which are less constraining to the user. We define a suite of new selection techniques, of which several are found to have significant benefits in comparison to techniques traditionally used in 3D user interfaces. Next, we describe our development of the first working interactive application, where a volumetric display is the sole device for input and display. The application presents a first glance at what the equivalent of today’s graphical user interface might be on a volumetric display. We then develop a prototype application which allows multiple users to simultaneously interact with the volumetric display. We discuss and address the core issues related to providing such a collaborative user interface, and report feedback obtained from usage sessions and expert interviews. URI: http://hdl.handle.net/1807/16733 Appears in Collections: DoctoralDepartment of Computer Science - Doctoral theses

Files in This Item:

File Description SizeFormat
View/Open
Grossman_Tovi_S_200811_PhD_video_6_1.aviVideo Figure 6-148.42 MBAVI VideoView/Open
Grossman_Tovi_S_200811_PhD_video_7_1.aviVideo Figure 7-150.46 MBAVI VideoView/Open
Grossman_Tovi_S_200811_PhD_video_8_1.aviVideo Figure 8-132.07 MBAVI VideoView/Open