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  New Editing Techniques for Video Post-Processing

Scholz, V. (2007). New Editing Techniques for Video Post-Processing. PhD Thesis, Universität des Saarlandes, Saarbrücken.

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 Urheber:
Scholz, Volker1, 2, 3, Autor           
Seidel, Hans-Peter1, Ratgeber           
Magnor, Marcus A.2, Gutachter           
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              
2Graphics - Optics - Vision, MPI for Informatics, Max Planck Society, ou_1116549              
3International Max Planck Research School, MPI for Informatics, Max Planck Society, Campus E1 4, 66123 Saarbrücken, DE, ou_1116551              

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 Zusammenfassung: This thesis contributes to capturing 3D cloth shape, editing cloth texture and altering object shape and motion in multi-camera and monocular video recordings. We propose a technique to capture cloth shape from a 3D scene flow by determining optical flow in several camera views. Together with a silhouette matching constraint we can track and reconstruct cloth surfaces in long video sequences. In the area of garment motion capture, we present a system to reconstruct time-coherent triangle meshes from multi-view video recordings. Texture mapping of the acquired triangle meshes is used to replace the recorded texture with new cloth patterns. We extend this work to the more challenging single camera view case. Extracting texture deformation and shading effects simultaneously enables us to achieve texture replacement effects for garments in monocular video recordings. Finally, we propose a system for the keyframe editing of video objects. A color-based segmentation algorithm together with automatic video inpainting for filling in missing background texture allows us to edit the shape and motion of 2D video objects. We present examples for altering object trajectories, applying non-rigid deformation and simulating camera motion.

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Sprache(n): eng - English
 Datum: 2007-05-212007
 Publikationsstatus: Erschienen
 Seiten: 115 p.
 Ort, Verlag, Ausgabe: Saarbrücken : Universität des Saarlandes
 Inhaltsverzeichnis: -
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 Identifikatoren: eDoc: 520724
Anderer: Local-ID: C1256BDE005F57A8-75BE17748436280FC12572EA0041D315-Scholz2007
BibTex Citekey: Scholz2007
 Art des Abschluß: Doktorarbeit

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