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History
- Received July 29, 2011
- Revision received December 12, 2011
- Accepted January 14, 2012
- First published March 14, 2012.
- Version of record published March 14, 2012.
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Copyright © 2012 the authors 0270-6474/12/323679-18$15.00/0
Author Information
Author contributions
Author contributions: Y.M. and J.H.E. designed research; Y.M. and J.H.E. performed research; Y.M. and J.H.E. analyzed data; Y.M. and J.H.E. wrote the paper.
Disclosures
- Received July 29, 2011.
- Revision received December 12, 2011.
- Accepted January 14, 2012.
This work was supported by the Natural Sciences and Engineering Research Council of Canada, the Geomatics for Informed Decisions Network of Centres of Excellence, the Premier's Research Excellence Award (Ontario), and the Ontario Centres of Excellence. We thank Bosco Tjan and two anonymous reviewers for invaluable comments on this manuscript.
- Correspondence should be addressed to James H. Elder, Centre for Vision Research, York University, Room 0003G,Computer Science Building, 4700 Keele Street, North York, Ontario, Canada M3J 1P3. jelder{at}yorku.ca
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