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AFPAC
2000
Springer
228views Mathematics» more  AFPAC 2000»
13 years 9 months ago
Color Image Enhancement by a Forward-and-Backward Adaptive Beltrami Flow
Nir A. Sochen, Guy Gilboa, Yehoshua Y. Zeevi
AFPAC
2000
Springer
267views Mathematics» more  AFPAC 2000»
13 years 9 months ago
The Lie Model for Euclidean Geometry
Abstract. In this paper we investigate the Lie model of Lie sphere geometry using Clifford algebra. We employ it to Euclidean geometric problems involving oriented contact to simpl...
Hongbo Li
AFPAC
2000
Springer
252views Mathematics» more  AFPAC 2000»
13 years 9 months ago
On the Geometric Structure of Spatio-temporal Patterns
The structure of hypersurfaces corresponding to different spatio-temporal patterns is considered, and in particular representations based on geometrical invariants, such as the Ri...
Erhardt Barth, Mario Ferraro
AFPAC
2000
Springer
257views Mathematics» more  AFPAC 2000»
13 years 9 months ago
The Multidimensional Isotropic Generalization of Quadrature Filters in Geometric Algebra
In signal processing, the approach of the analytic signal is a capable and often used method. For signals of finite length, quadrature filters yield a bandpass filtered approxim...
Michael Felsberg, Gerald Sommer
AFPAC
2000
Springer
341views Mathematics» more  AFPAC 2000»
13 years 9 months ago
An Associative Perception-Action Structure Using a Localized Space Variant Information Representation
Abstract. Most of the processing in vision today uses spatially invariant operations. This gives efficient and compact computing structures, with the conventional convenient separa...
Gösta H. Granlund