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Hochschule Düsseldorf
University of Applied Sciences


Fachbereich Medien
Faculty of Media

Labor für Virtuelles Studio / Virtuelle Realität

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SpiderFeedback - Rope-based, visual feedback for orientation in Virtual Studios [DE]

Snapshot: Zeigen Virtuelles Studio: Teleprompter
Virtuelles Studio: Rolle Snapshot: SpiderFeedback Plugin


The Virtual Sets and Virtual Environments Laboratory of the FH Düsseldorf developed and tested a new visual feedback system for virtual studio applications. In order to evaluate the system, interviews with experts were arranged.

The lack of stage furniture and visual clues hamper hosts' orientation in virtual sets. By installing preview monitors, virtual studios try to overcome this hindrance. Showing hosts or actors the composite image might provide an idea of their surroundings. But such aids fail, when it comes to giving exact information about the virtual set. For displaying a position of a virtual object in all three dimensions, a rope based parallel manipulator was installed for testing purposes. It carries a green ball in the center as a replacement. The manipulator was programmed to communicate with the render engine to seek coordinates of a virtual object in real-time. The coordinates were then used to position the green ball accordingly. With this device, it is possible to show positions and movement of the associated virtual object. Through the balls' colour and the transparent ropes, the device can be keyed and therefore removed from the composed video. If demanded, it is possible to cover the ball with graphics or a virtual object. The setup can be seen in several videos, illustrating different applications. For comparability, the same tests were conducted in advance with a preview display only. Subsequently the tests were repeated with the SpiderFeedback alone. The evaluation was supported by markerless actor tracking for auto masking and triggering animations.





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Spider AR - Markerless Augmented Reality System for Stage Flight Systems

A rope-based stage flight system is overlaid with visual effects for broadcast applications.



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Related Publications

SpiderFeedback - Visual feedback for orientation in virtual tv studios
Jonathan Simsch and Jens Herder, 11th International Conference on Advances in Computer Entertainment, ACE 2014, Funchal, Portugal, November 11-14, 2014
Markerless Actor Tracking for Virtual (TV) Studio Applications
Jeff Daemen, Peter Haufs-Brusberg, and Jens Herder, International Joint Conference on Awareness Science and Technology & Ubi-Media Computing (iCAST 2013 & UMEDIA 2013), HC-2013 Track, Hamamatsu/Aizu-Wakamatsu/Duesseldorf, November, 2013.
Markerloses Darsteller Tracking für Anwendungen im Virtuellen Studio
Production at FH Düsseldorf Virtuellen Studio, SS 2013.



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