ECCV '02 Proceedings of the 7th European Conference on Computer Vision-Part I
A Computational Model for Periodic Pattern Perception Based on Frieze and Wallpaper Groups
IEEE Transactions on Pattern Analysis and Machine Intelligence
Chaos and Graphics: Taiji variations: Yin and Yang in multiple dimensions
Computers and Graphics
Journal of Mathematical Imaging and Vision
Affordance and Symmetry in User Interfaces
The Computer Journal
A new technique for local symmetry estimation
Scale-Space'05 Proceedings of the 5th international conference on Scale Space and PDE Methods in Computer Vision
Basic Image Features (BIFs) Arising from Approximate Symmetry Type
SSVM '09 Proceedings of the Second International Conference on Scale Space and Variational Methods in Computer Vision
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The different ways in which images, defined as scalar functions of the Euclidean plane, can be symmetrical is considered. The symmetries analyzed are relative to the class of image isometries, each of which is a combined spatial and intensity isometry. All symmetry types, apart from those with discrete periodic translations, are derived. Fifteen such types are found, including one that has not previously been reported. The novel type occurs when an image has a continuous line of centres of symmetry each like the one found in the Taiji (Yin-Yang) symbol.