197 search results - page 13 / 40 » The Invariants of the Clifford Groups |
MOC
1998
13 years 7 months ago
1998
It is proved that there are precisely 4204 pairwise non-isomorphic Steiner systems S(5, 6, 72) invariant under the group PSL2(71) and which can be constructed using only short orbi...
ECCV
1998
Springer
14 years 9 months ago
1998
Springer
We describe a new projectively invariant representation of disjoint contour groups which is suitable for shape-based retrieval from an image database. It consists of simultaneous ...
SCALESPACE
2009
Springer
14 years 2 months ago
2009
Springer
From an image we construct an invertible orientation score, which provides an overview of local orientations in an image. This orientation score is a function on the group SE(2) of...
JMIV
2010
13 years 6 months ago
2010
Median averaging is a powerful averaging concept on sets of vector data in finite dimensions. A generalization of the median for shapes in the plane is introduced. The underlying ...
ENDM
2007
13 years 7 months ago
2007
This paper initiates a study of the connection between graph homomorphisms and the Tutte polynomial. This connection enables us to extend the study to other important polynomial i...