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» Constraint Based Transformation Theory
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SHAPE
1999
Springer
14 years 2 months ago
Geometric Grouping of Repeated Elements within Images
The objective of this work is the automatic detection and grouping of imaged elements which repeat in a scene. We show that structures that repeat in the world (for example wall p...
Frederik Schaffalitzky, Andrew Zisserman
ICANN
2007
Springer
14 years 4 months ago
Sparse and Transformation-Invariant Hierarchical NMF
The hierarchical non-negative matrix factorization (HNMF) is a multilayer generative network for decomposing strictly positive data into strictly positive activations and base vect...
Sven Rebhan, Julian Eggert, Horst-Michael Gro&szli...
ICASSP
2011
IEEE
13 years 1 months ago
Natural gradient approach in orthogonal matrix optimization using cayley transform
Matrix optimization with orthogonal constraints appear in a variety of application fields including signal and image processing. Several researchers have developed algorithms for...
Gen Hori
JUCS
2010
100views more  JUCS 2010»
13 years 8 months ago
Spatial Reasoning with Integrated Qualitative-Metric Fuzzy Constraint Networks
Abstract: Qualitative Spatial Reasoning can be greatly improved if metric information can be represented and reasoning can be performed on it; moreover, modelling vagueness and unc...
Marco Falda
JMIV
2000
143views more  JMIV 2000»
13 years 9 months ago
A Linear Algorithm for Computing the Homography from Conics in Correspondence
Abstract. This paper presents a study, based on conic correspondences, on the relationship between two perspective images acquired by an uncalibrated camera. We show that for a pai...
Akihiro Sugimoto