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Permanent link (DOI): https://doi.org/10.7939/R39Z90F9W

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Tracking human joint motion for turntable-based static model reconstruction Open Access

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Author or creator
Birkbeck, Neil
Cobzas, Dana
Jagersand, Martin
Additional contributors
Subject/Keyword
Vision
3D reconstruction
Turntable
tracking
Type of item
Report
Language
English
Place
Time
Description
Technical report TR09-03. We propose a method that makes standard turntable-based vision acquisition a practical method for recovering models of human geometry. A human subject typically exhibits some unintended joint motion while rotating on a turntable. Ignoring such motion causes shape-from-silhouette to excessively carve the model, resulting in loss of geometry (especially on limbs). We utilize silhouette cues and appearance consistency with an initial automatically recovered skinned-model to recover this joint motion, or wobbling. The recovered joint motion gives the calibration of each rigid body of the subject, allowing for temporal fusion of image cues (silhouettes and texture) used to refine the geometry. Our method gives improved results on real datasets when considering both silhouette overlap and texture consistency. The recovered geometry is useful in vision tasks such as multi-view image-based tracking of humans, where the recent trend of using a priori laser-scanned geometry could be replaced with a more cost effective vision-based geometry.
Date created
2009
DOI
doi:10.7939/R39Z90F9W
License information
Creative Commons Attribution 3.0 Unported
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