Název: Video-Based Rendering Of Traffic Sequences
Autoři: Vanaken, Cedric
Mertens, Tom
Bekaert, Philippe
Citace zdrojového dokumentu: WSCG '2006: Full Papers Proceedings: The 14-th international Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2006: University of West Bohemia, Plzen, Czech Republic, January 31 – February 2, 2006, p. 161-168.
Datum vydání: 2006
Nakladatel: Václav Skala - UNION Agency
Typ dokumentu: conferenceObject
konferenční příspěvek
URI: http://wscg.zcu.cz/WSCG2006/Papers_2006/Full/!WSCG2006_Full_Proceedings_Final.pdf
http://hdl.handle.net/11025/6857
ISBN: 80-86943-03-8
Klíčová slova: vykreslování;animace;doprava;video
Klíčová slova v dalším jazyce: rendering;animation;traffic;video
Abstrakt: Video-based rendering is a viable alternative to traditional realistic image synthesis techniques. It avoids the burden of timeconsuming modeling and expensive global illumination simulation. In this paper we propose a video-based synthesis and animation system for fixed viewpoint scenes that feature rigid objects. We examplify this by using traffic video sequences. In a first stage, we extract vehicles and their trajectories from the example footage using an intuitive semi-automatic segmentation technique. Subsequently, the resulting vehicle “sprites” are dimensionally reduced using PCA in order to effectively extrapolate trajectories from incomplete sequences. Background, occlusions and shadows cast by vehicles are extracted as well. We show that convincing new footage can be synthesized readily from a single input video. Any number and variety of cars can be inserted, and their trajectories can be edited to simulate such traffic scenarios as lane changes and traffic jams.
Práva: © Václav Skala - UNION Agency
Vyskytuje se v kolekcích:WSCG '2006: Full Papers Proceedings

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