Proceedings of Interactive Surfaces for Interaction with Stereoscopic 3D (ISIs3D)

The Workshop on “Interactive Surfaces for Interaction with Stereoscopic 3D (ISIS3D)” focused on the challenges that appear when the flat digital world of surface computing meets the curved, physical, 3D space we live in. The workshop proceedings can be found below.

Gerd Bruder and Frank Steinicke

2.5D Touch Interaction on Stereoscopic Tabletop Surfaces

Abstract:

Recent developments in touch and display technologies have laid the groundwork to combine touch-sensitive display systems with stereoscopic three-dimensional (3D) display. Traditionally, touch-sensitive surfaces capture only direct contacts such that the user has to penetrate a visually perceived object with negative parallax to touch the 2D surface behind the object. Conversely, recent technologies support capturing finger positions in front of the display, enabling users to interact with intangible objects in mid-air 3D space. In previous works we compared such 2D touch and 3D mid-air interactions in a Fitts' Law experiment for objects with varying stereoscopical parallax. The results showed that within a small range above the surface 2D interaction is beneficial whereas for objects farther away 3D interaction is beneficial. For these reasons, we discuss the concept of 2.5D interaction for such setups and introduce corresponding widgets for interaction with stereoscopic touch displays by means of an example application.

Dimitar Valkov, Alexander Giesler and Klaus Hinrichs
Perceptional Illusions for 3D Touch Interaction

Abstract:

One of the main benefits of multi-touching stereoscopic objects is that it allows us to come closer to the basic idea of "natural" interaction experience by building upon skills which humans have developed in their everyday lives interacting with real world objects.

In particular, the user perceives virtual objects with their associated depth, while she is able to interact with those objects with her own hands and fingers and thus receives direct or indirect haptic feedback. In this position paper we discuss the applicability of the perceptional illusions paradigm in this context. Therefore we outline some possible manipulation techniques and report the results of our past and ongoing studies designed to investigate their applicability in real world scenarios.

While these and similar techniques are likely to constrain the available interaction volume, they provide simultaneously haptic and stereoscopic cues, without any instrumentation and without loosing the directness of the interaction.

Wolfgang Stuerzlinger
Considerations for Targets in 3D Pointing Experiments

Abstract:

We identify various tradeoffs around 3D pointing experiments based on Fitts’ law and the ISO9241-9 methodology. The advantages and disadvantages of each approach are analyzed and compared against each other. We present some recommendations for 3D pointing experiments and avenues of future work.

Florian Daiber, Andrey Krekhov, Marco Speicher, Jens Krüger and Antonio Krüger
A Framework for Prototyping and Evaluation of Sensor-based Mobile Interaction

with Stereoscopic 3D

Abstract:

In the last years 3D is getting more and more popular. Besides the production of an increasing number of movies for 3D stereoscopic cinemas and television, serious steps have also been undertaken in the field of 3D gaming. While the devices are market ready, few solutions for natural interaction with such devices exist. Recent smartphones have powerful processors that allow complex tasks like image processing and are equipped with various sensors that allow additional input modalities far beyond joystick, mouse, keyboard and other traditional input methods.

In this paper we propose an approach for sensor-based interaction with stereoscopic displayed 3D data. In our framework various input devices can be seamlessly added for 3D user interfaces and used for rapid design and evaluation of 3D input techniques. As proof-of-concept we show the integration of sensor-based mobile devices for various 3D tasks.

Mark Mine and Arun Yoganandan
Building (Disney) Castles in the Air

Abstract:

Our goal is to create an immersive modeling application that enables users to create complex real-world models comfortably and efficiently. To do this, we augment the power and richness of a commercial off-the-shelf modeling application (SketchUp) with natural and intuitive virtual-reality interaction techniques. We provide two hybrid 2D-3D input devices that combine 6-DoF bimanual interaction, tangible physical buttons, and dual touchscreens for precision and control. Our goal is to leverage the strengths of both 2D and 3D interfaces while avoiding their weaknesses.

Fernando Fonseca, Daniel Mendes, Bruno Araujo, Alfredo Ferreira and Joaquim Jorge
3D mid-air manipulation techniques above stereoscopic tabletops

Abstract:

Stereoscopic tabletops co-locates both user interaction and visualization space fostering more natural freehand interaction metaphors to manipulate 3D virtual content. Such environment allows to take advantage of depth perception afforded by stereoscopy and a continuous interaction space defined by a multi-touch surface and the space above it. Thanks to non-intrusive tracking solution based on depth cameras, users can interact and manipulate virtual object using both hands. In this position paper, we perform a comparative study of one multi-touch and four mid-air interaction techniques assigning the seven degrees of freedom (translation, rotation and uniform scaling) of 3D manipulation symmetrically or asymmetrically between both hands.