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  • In the recent paper (Li and Zhang, 2012) a mapping model of weak affine transform (WAT) was proposed for registering images of flat scenes. We show that such a model may cause inaccuracies when registering images with non-uniform scaling differences, even if they seemingly behave according to this model. Mathematical reason of this is that WAT is neither invertible nor closed. We explain why mapping models forming a group should be preferably used for registration and show some examples of models belonging to affine subgroups.
  • In the recent paper (Li and Zhang, 2012) a mapping model of weak affine transform (WAT) was proposed for registering images of flat scenes. We show that such a model may cause inaccuracies when registering images with non-uniform scaling differences, even if they seemingly behave according to this model. Mathematical reason of this is that WAT is neither invertible nor closed. We explain why mapping models forming a group should be preferably used for registration and show some examples of models belonging to affine subgroups. (en)
Title
  • A Comment on a Novel Approach for the Registration of Weak Affine Images
  • A Comment on a Novel Approach for the Registration of Weak Affine Images (en)
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  • A Comment on a Novel Approach for the Registration of Weak Affine Images
  • A Comment on a Novel Approach for the Registration of Weak Affine Images (en)
skos:notation
  • RIV/67985556:_____/13:00392835!RIV14-GA0-67985556
http://linked.open...avai/predkladatel
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  • I, P(GAP103/11/1552)
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  • 12
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  • 58478
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  • RIV/67985556:_____/13:00392835
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  • Image registration; Affine transform; Affine subgroups; Weak affine transform; Area-preserving affine transform (en)
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  • NL - Nizozemsko
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  • [DB26F48E3FA5]
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  • Pattern Recognition Letters
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  • 34
http://linked.open...iv/tvurceVysledku
  • Flusser, Jan
  • Zitová, Barbara
http://linked.open...ain/vavai/riv/wos
  • 000321537100008
issn
  • 0167-8655
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.patrec.2013.04.024
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