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Title: On the distortion of shape recovery from motion
Authors: Xiang, T.
Cheong, L.-F. 
Keywords: Error analysis
Iso-distortion framework
Shape recovery
Structure from motion
Issue Date: 1-Sep-2004
Citation: Xiang, T., Cheong, L.-F. (2004-09-01). On the distortion of shape recovery from motion. Image and Vision Computing 22 (10 SPEC. ISS.) : 807-817. ScholarBank@NUS Repository.
Abstract: Given that most current structure from motion (SFM) algorithms cannot recover true motion estimates reliably, it is important to understand the impact such motion errors have on the shape reconstruction. In this paper, various robustness issues surrounding different types of second order shape estimates recovered from motion cue are addressed. We present a theoretical model to understand the impact that errors in the motion estimates have on shape recovery. Using this model, we focus on the recovery of second order shape under different generic motions, each of these motions presenting different degrees of error sensitivity. We also show that different shapes exhibit different degrees of robustness with respect to its recovery. Understanding such different distortion behavior is important if we want to design better fusion strategy with other shape cues. © 2004 Elsevier B.V. All rights reserved.
Source Title: Image and Vision Computing
ISSN: 02628856
DOI: 10.1016/j.imavis.2004.02.005
Appears in Collections:Staff Publications

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