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https://hdl.handle.net/2440/81441
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Type: | Journal article |
Title: | A simultaneous sample-and-filter strategy for robust multi-structure model fitting |
Author: | Wong, H. Chin, T. Yu, J. Suter, D. |
Citation: | Computer Vision and Image Understanding, 2013; 117(12):1755-1769 |
Publisher: | Academic Press Inc |
Issue Date: | 2013 |
ISSN: | 1077-3142 1090-235X |
Statement of Responsibility: | Hoi Sim Wong, Tat-Jun Chin, Jin Yu, David Suter |
Abstract: | In many robust model fitting methods, obtaining promising hypotheses is critical to the fitting process. However the sampling process unavoidably generates many irrelevant hypotheses, which can be an obstacle for accurate model fitting. In particular, the mode seeking based fitting methods are very sensitive to the proportion of good/bad hypotheses for fitting multi-structure data. To improve hypothesis generation for the mode seeking based fitting methods, we propose a novel sample-and-filter strategy to (1) identify and filter out bad hypotheses on-the-fly, and (2) use the remaining good hypotheses to guide the sampling to further expand the set of good hypotheses. The outcome is a small set of hypotheses with a high concentration of good hypotheses. Compared to other sampling methods, our method yields a significantly large proportion of good hypotheses, which greatly improves the accuracy of the mode seeking-based fitting methods. © 2013 Elsevier Inc. All rights reserved. |
Keywords: | Guided sampling Hypothesis filtering Multiple structures Preference analysis Robust model fitting |
Rights: | © 2013 Elsevier Inc. |
DOI: | 10.1016/j.cviu.2013.08.007 |
Published version: | http://dx.doi.org/10.1016/j.cviu.2013.08.007 |
Appears in Collections: | Aurora harvest Computer Science publications |
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