Interactive Media Systems, TU Vienna

Evaluierung eines nichtlinearen Disparitätsmapping Ansatzes zur Anpassung von Stereo 3D Inhalten

Thesis by Sabine Stransky

Supervision by Margrit Gelautz and Florian Seitner

Abstract

When producing a high quality 3D film via stereo cameras, producers often have to face the challenge to make changes of the depth perception in post production, in order to get a more comfortable depth experience on different screen sizes. The goal of this master thesis is to analyze a method for the post correction of the depth perception by "Nonlinear Disparity Mapping" [Lang et al. 2010]. In the first step, a literature review of the different methods for the adaption of depth parameters for stereoscopic films is performed. Here methods for a depth based generation of stereoscopic 3D views and the problems associated with it are discussed. The method for "Nonlinear Disparity Mapping" [Lang et al. 2010] is described in detail. Furthermore, a dataset of test images is compiled and described. This dataset is used for the evaluation of the method by conducting a user study. In this subjective evaluation, different questions with various camera positions and depth options are investigated. After an analysis of the performed user tests, the results have revealed that an adjustment of the depth parameters with the explored method is possible. For external camera positions, however, the occurrence of unintended artifacts was observed.

Reference

S. Stransky: "Evaluierung eines nichtlinearen Disparitätsmapping Ansatzes zur Anpassung von Stereo 3D Inhalten"; Supervisor: M. Gelautz, F. Seitner; Fakultät für Informatik der Technischen Universität Wien, 2012.

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