2007 | OriginalPaper | Buchkapitel
Robust 3D Segmentation of Multiple Moving Objects Under Weak Perspective
verfasst von : Levente Hajder, Dmitry Chetverikov
Erschienen in: Dynamical Vision
Verlag: Springer Berlin Heidelberg
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A scene containing multiple independently moving, possibly occluding, rigid objects is considered under the weak perspective camera model. We obtain a set of feature points tracked across a number of frames and address the problem of 3D motion segmentation of the objects in presence of measurement noise and outliers. We extend the robust structure from motion (SfM) method [5] to 3D motion segmentation and apply it to realistic, contaminated tracking data with occlusion. A number of approaches to 3D motion segmentation have already been proposed [3,6,14,15]. However, most of them were not developed for, and tested on, noisy and outlier-corrupted data that often occurs in practice. Due to the consistent use of robust techniques at all critical steps, our approach can cope with such data, as demonstrated in a number of tests with synthetic and real image sequences.