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» Graph-Theoretical Methods in Computer Vision
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ICPR
2010
IEEE
15 years 3 months ago
Parallel Scales for More Accurate Displacement Estimation in Phase-Based Image Registration
Phase-based methods are commonly applied in image registration. When working with phase-difference methods only a single scale is employed, although the algorithms are normally ite...
Daniel Forsberg, Mats Andersson, Hans Knutsson
BMVC
2001
15 years 2 months ago
A Fourier Approach to 3D Local Feature Estimation from Volume Data
This paper describes an estimation and representation method for object structure in 3D image data. A windowed Fourier transform is used to estimate the parameters of 3D local str...
Abhir Bhalerao, Roland Wilson
BMVC
1997
15 years 1 months ago
Further Five Point Fit Ellipse Fitting
The least squares method is the most commonly used technique for fitting an ellipse through a set of points. However, it has a low breakdown point, which means that it performs p...
Paul L. Rosin
ICPR
2002
IEEE
15 years 5 months ago
Feature Extraction Methods Applied to the Clustering of Electrocardiographic Signals. A Comparative Study
In this paper, a method to automatically extract the main information from a long-term electrocardiographic signal is presented. This method is based on techniques of pattern reco...
David Cuesta-Frau, Juan Carlos Pérez-Cortes...
108
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ICPR
2004
IEEE
16 years 1 months ago
Entropy-Based Measures for Clustering and SOM Topology Preservation Applied to Content-Based Image Indexing and Retrieval
Content-based image retrieval (CBIR) addresses the problem of finding images relevant to the users' information needs, based principally on low-level visual features for whic...
Markus Koskela, Jorma Laaksonen, Erkki Oja