This is the author’s version of a work that was accepted for publication in JournalComputer Vision and Image Understanding. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in JournalComputer Vision and Image Understanding, 116, 9 (2012) DOI: 10.1016/j.cviu.2012.04.005
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机译：这是作者在JournalComputer Vision and Image谅解中接受发表的作品的版本。由发布过程引起的更改，例如同行评审，编辑，更正，结构格式和其他质量控制机制，可能未反映在本文档中。自提交出版以来，可能对此作品进行了更改。最终版本随后发表在JournalComputer Vision and Image谅解，116，9（2012）DOI：10.1016 / j.cviu.2012.04.005
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