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CAGD
2008
292views more  CAGD 2008»
14 years 12 months ago
Rotations, translations and symmetry detection for complexified curves
A plane algebraic curve can be represented as the zero-set of a polynomial in two - or if one takes homogenous coordinates: three - variables. The coefficients of the polynomial de...
Peter Lebmeir, Jürgen Richter-Gebert
ISBI
2011
IEEE
14 years 3 months ago
Automatic segmentation of the left-ventricular cavity and atrium in 3D ultrasound using graph cuts and the radial symmetry trans
In this paper, we propose a graph-based method for fullyautomatic segmentation of the left ventricle and atrium in 3D ultrasound (3DUS) volumes. Our method requires no user input ...
Radford Juang, Elliot R. McVeigh, Beatrice Hoffman...
ECCV
2004
Springer
16 years 1 months ago
Characterization of Human Faces under Illumination Variations Using Rank, Integrability, and Symmetry Constraints
Photometric stereo algorithms use a Lambertian reflectance model with a varying albedo field and involve the appearances of only one object. This paper extends photometric stereo a...
Shaohua Kevin Zhou, Rama Chellappa, David W. Jacob...
STACS
2007
Springer
15 years 6 months ago
Symmetries and the Complexity of Pure Nash Equilibrium
Strategic games may exhibit symmetries in a variety of ways. A characteristic feature, enabling the compact representation of games even when the number of players is unbounded, i...
Felix Brandt, Felix A. Fischer, Markus Holzer
CPAIOR
2004
Springer
15 years 5 months ago
Models and Symmetry Breaking for 'Peaceable Armies of Queens'
We discuss a di cult optimization problem on a chess-board, requiring equal numbers of black and white queens to be placed on the board so that the white queens cannot attack the b...
Barbara M. Smith, Karen E. Petrie, Ian P. Gent