ATTENTION: This is a web archive! The IMS Group was split up in 2018 and does not exist anymore. Recent work of former members can be found at the VR/AR Group and the Computer Vision Group.

Interactive Media Systems, TU Wien

Semi-automatic post-processing of multi-view 2D-plus-depth video

By Braulio Sespede, Florian Seitner, and Margrit Gelautz


We propose a post-processing framework based on multiview interactive video segmentation for correcting 2D-plus-depth video footage. The suggested approach uses user-made scribbles to guide the multi-view segmentation process, which is based on an efficient cost-volume filtering algorithm. We extend the 2D algorithm to 3D and propose several improvements that increase precision and recall while also decreasing the need for user input. Our semi-automatic approach is supported by an interactive visualization tool that integrates both 2D and 3D views of the footage, allowing the user to explore novel views coherently and grasp a better understanding of the underlying data. We integrate our post-processing framework into a workflow for generating dynamic meshes from footage recorded by multiple stereo cameras, demonstrating the applicability of the technique.


B. Sespede, F. Seitner, M. Gelautz: "Semi-automatic post-processing of multi-view 2D-plus-depth video"; Poster: IS&T International Symposium on Electronic Imaging - Stereoscopic Displays and Applications, Burlingame, USA; 01-26-2019 - 01-30-2019; in: "IS&T International Symposium on Electronic Imaging", (2019), 5 pages.


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