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2001 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'01) - Volume 1
Skewed Symmetry Groups
Kauai, Hawaii
December 08-December 14
ISBN: 0-7695-1272-0
Yanxi Liu, Carnegie Mellon University
Robert T. Collins, Carnegie Mellon University
We introduc e the term skewed symmetry groups and provide a complete theoretical treatment for 2D wall- paper groups under affine transformations. For the first time, a given periodic pattern can be classified not simply by its Euclidean symmetry group but by its highest "potential" symmetry group under affine deformation. A concise wallpaper group migration map is constructed that separates the 17 affinely deformed wallpaper groups into small, distinct orbits. The practical value of this result includes a novel indexing and retrieval scheme for regular patterns, and a maximal- symmetry-based method for estimating shape and orientation from texture under unknown views.
Citation:
Yanxi Liu, Robert T. Collins, "Skewed Symmetry Groups," cvpr, vol. 1, pp.872, 2001 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'01) - Volume 1, 2001
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