Interactive Media Systems, TU Vienna

Augmented Reality Video - Situated Video Compositions in Panorama-based Augmented Reality Applications

Thesis by Mathäus Zingerle

Supervision by Hannes Kaufmann

Abstract

The rapid development of mobile devices such as smart phones has led to new possibilities in the context of Mobile Augmented Reality (AR). While there exists a broad range of AR applications providing static content, such as textual annotations, there is still a lack of supporting dynamic content, such as video, in the field of Mobile AR. In this work a novel approach to record and replay video content composited in-situ with a live view of the real environment, with respect to the user´s view onto the scene, is presented. The proposed technique works in real-time on currently available mobile phones, and uses a panorama-based tracker to create visually seamless and spatially registered overlays of video content, hence giving end users the chance to re-experience past events at a different point of time. To achieve this, a temporal foreground-background segmentation of video footage is applied and it is shown how the segmented information can be precisely registered in real-time in the camera view of a mobile phone. Furthermore, the user interface and video post effects implemented in a first prototype within a skateboard training application are presented. To evaluate the proposed system, a user study was conducted. The results are given at the end of this work along with an outlook on possible future work.

Reference

M. Zingerle: "Augmented Reality Video - Situated Video Compositions in Panorama-based Augmented Reality Applications"; Supervisor: H. Kaufmann; Institut für Softwaretechnik und Interaktive Systeme, 2012; final examination: 10-08-2012.

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