Sciweavers

ICPR
2008
IEEE
14 years 10 months ago
Solving quadratically constrained geometrical problems using lagrangian duality
In this paper we consider the problem of solving different pose and registration problems under rotational constraints. Traditionally, methods such as the iterative closest point ...
Carl Olsson, Anders Eriksson
ICPR
2008
IEEE
14 years 10 months ago
Generic scale-space process for handwriting documents analysis
This paper presents a generic architecture for handwriting documents analysis. It covers all analysis steps from the content description of the document (layout analysis, handwrit...
Guillaume Joutel, Hubert Emptoz, Véronique ...
ICPR
2008
IEEE
14 years 10 months ago
Medical image registration using Phase-Only Correlation for distorted dental radiographs
This paper proposes an efficient dental radiograph registration algorithm using Phase-Only Correlation (POC). The use of phase components in 2D (twodimensional) discrete Fourier t...
Eiko Kosuge, Isamu Kashima, Koichi Ito, Ryota Kawa...
ICPR
2008
IEEE
14 years 10 months ago
Learning weighted distances for relevance feedback in image retrieval
We present a new method for relevance feedback in image retrieval and a scheme to learn weighted distances which can be used in combination with different relevance feedback metho...
Enrique Vidal, Hermann Ney, Roberto Paredes, Thoma...
ICPR
2008
IEEE
14 years 10 months ago
Extending depth of field by intrinsic mode image fusion
Here, a versatile data-driven application independent method to extend the depth of field is presented. The principal contribution in this effort is the use of features extracted ...
Andreas Koschan, Harishwaran Hariharan, Mongi A. A...
ICPR
2008
IEEE
14 years 10 months ago
The implication of data diversity for a classifier-free ensemble selection in random subspaces
Ensemble of Classifiers (EoC) has been shown effective in improving the performance of single classifiers by combining their outputs. By using diverse data subsets to train classi...
Albert Hung-Ren Ko, Robert Sabourin, Luiz E. Soare...
ICPR
2008
IEEE
14 years 10 months ago
A hierarchical model for the evaluation of biometric sample quality
The evaluation of biometric sample quality is of great importance in the evaluation of biometric algorithms. In this paper, we propose a novel hierarchical model to compute the sa...
Qian He, Tieniu Tan, Yong Zou, Zhenan Sun
ICPR
2008
IEEE
14 years 10 months ago
Quantitative abdominal fat estimation using MRI
This paper introduces a new method for automatic quantification of subcutaneous, visceral and nonvisceral internal fat from MR-images acquired using the two point Dixon technique ...
Olof Dahlqvist Leinhard, Andreas Johansson, Joakim...
ICPR
2008
IEEE
14 years 10 months ago
Generalized Nonlinear Discriminant Analysis
A Generalized Nonlinear Discriminant Analysis (GNDA) method is proposed, which implements Fisher discriminant analysis in a nonlinear mapping space. Linear discriminant analysis i...
Hua Zhang, Li Zhang, Licheng Jiao, Weida Zhou
ICPR
2008
IEEE
14 years 10 months ago
Approximating a non-homogeneous HMM with Dynamic Spatial Dirichlet Process
In this work we present a model that uses a Dirichlet Process (DP) with a dynamic spatial constraints to approximate a non-homogeneous hidden Markov model (NHMM). The coefficient ...
Haijun Ren, Leon N. Cooper, Liang Wu, Predrag Nesk...