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» Covariant Derivatives and Vision
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ICPR
2004
IEEE
15 years 11 months ago
Graph Method for Generating Affine Moment Invariants
A general method of systematic derivation of affine moment invariants of any weights and orders is introduced. Each invariant is expressed by its generating graph. Techniques for ...
Jan Flusser, Tomás Suk
EMMCVPR
2009
Springer
15 years 4 months ago
Image Registration under Varying Illumination: Hyper-Demons Algorithm
Abstract. The goal of this paper is to present a novel recipe for deformable image registration under varying illumination, as a natural extension of the demons algorithm. This gen...
Mehran Ebrahimi, Anne L. Martel
CVPR
1997
IEEE
15 years 2 months ago
Critical Motion Sequences for Monocular Self-Calibration and Uncalibrated Euclidean Reconstruction
In this paper, sequences of camera motions that lead to inherent ambiguities in uncalibrated Euclidean reconstruction or self-calibration are studied. Our main contribution is a co...
Peter F. Sturm
ICPR
2000
IEEE
15 years 1 months ago
Color Texture Classification by Normalized Color Space Representation
This paper proposes a novel approach to color texture characterization and classification. Rather than developing new textural features, we propose to derive a family of new, redu...
Constantin Vertan, Nozha Boujemaa
ICCV
1995
IEEE
15 years 1 months ago
Steerable Wedge Filters
Steerable filters have been used to analyze local orientation patterns in imagery. Such filters are typically based on directional derivatives, whose symmetry produces orientati...
Eero P. Simoncelli, Hany Farid