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• W2045146925 startingPage "922" @default.
• W2045146925 abstract "In this paper, we address the problem of 2D-3D pose estimation. Specifically, we propose an approach to jointly track a rigid object in a 2D image sequence and to estimate its pose (position and orientation) in 3D space. We revisit a joint 2D segmentation/3D pose estimation technique, and then extend the framework by incorporating a particle filter to robustly track the object in a challenging environment, and by developing an occlusion detection and handling scheme to continuously track the object in the presence of occlusions. In particular, we focus on partial occlusions that prevent the tracker from extracting an exact region properties of the object, which plays a pivotal role for region-based tracking methods in maintaining the track. To this end, a dynamical choice of how to invoke the objective functional is performed online based on the degree of dependencies between predictions and measurements of the system in accordance with the degree of occlusion and the variation of the object's pose. This scheme provides the robustness to deal with occlusions of an obstacle with different statistical properties from that of the object of interest. Experimental results demonstrate the practical applicability and robustness of the proposed method in several challenging scenarios." @default.
• W2045146925 created "2016-06-24" @default.
• W2045146925 creator A5012492951 @default.
• W2045146925 creator A5012935165 @default.
• W2045146925 creator A5070821128 @default.
• W2045146925 date "2013-08-01" @default.
• W2045146925 modified "2023-09-25" @default.
• W2045146925 title "Particle filters and occlusion handling for rigid 2D–3D pose tracking" @default.
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• W2045146925 doi "https://doi.org/10.1016/j.cviu.2013.04.002" @default.
• W2045146925 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3775392" @default.
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• W2045146925 hasPublicationYear "2013" @default.
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