Sciweavers

724 search results - page 1 / 145
» Robust Image Registration Using Log-Polar Transform
Sort
View
ICIP
2000
IEEE
15 years 22 days ago
Robust Image Registration Using Log-Polar Transform
This paper describes a hierarchical image registration algorithm for affine motion recovery. The algorithm estimates the affine transformation parameters necessary to register any...
George Wolberg, Siavash Zokai
ICMCS
1999
IEEE
165views Multimedia» more  ICMCS 1999»
14 years 3 months ago
Template Based Recovery of Fourier-Based Watermarks Using Log-Polar and Log-Log Maps
Digital watermarks have been proposed as a method for discouraging illicit copying and distribution of copyrighted material. This paper describes a method for the secure and robus...
Shelby Pereira, Joseph Ó Ruanaidh, Fr&eacut...
ICPR
2006
IEEE
15 years 7 days ago
Subpixel Alignment of MRI Data Under Cartesian and Log-Polar Sampling
Magnetic resonance imaging (MRI) allows numerous Fourier domain sampling schemes such as Cartesian and non-Cartesian trajectories (e.g. Polar, circular, and spherical). On the oth...
Hassan Foroosh, Mais Alnasser, Murat Balci
IH
1998
Springer
14 years 3 months ago
Secure Copyright Protection Techniques for Digital Images
This paper2 presents a new approach for the secure and robust copyright protection of digital images. A system for generating digital watermarks and for trading watermarked images ...
Alexander Herrigel, Joseph Ó Ruanaidh, Holg...
TMM
2010
141views Management» more  TMM 2010»
13 years 5 months ago
A Robust Block-Based Image/Video Registration Approach for Mobile Imaging Devices
Digital video stabilization enables to acquire video sequences without disturbing jerkiness by compensating unwanted camera movements. In this paper we propose a novel fast image r...
Sebastiano Battiato, Arcangelo Bruna, Giovanni Pug...