647 search results - page 21 / 130 » Regular Symmetry Patterns |
ICRA
2005
IEEE
14 years 3 months ago
2005
IEEE
— Image gradient-based feature detectors offer great advantages over their standard edge-only equivalents. In driver support systems research, the radial symmetry detection algor...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
In this paper, we present a model for unsupervised pattern discovery using non-negative matrix factorization (NMF) with graph regularization. Though the regularization can be appl...
COMBINATORICS
2002
13 years 9 months ago
2002
Let In() denote the number of involutions in the symmetric group Sn which avoid the permutation . We say that two permutations , Sj may be exchanged if for every n, k, and order...
TEI
2010
ACM
14 years 4 months ago
2010
ACM
In this paper we introduce the TessalTable, a collaborative play system for learning about tessellations and symmetry through augmented pattern blocks. Children use tiles to pick ...
VIS
2004
IEEE
14 years 11 months ago
2004
IEEE
Our research deals with a fully automatic and fast visualization of possible tumoral areas on CT Scan images. To achieve this task, we use the bilateral symmetry of the human body...