Sciweavers

IBPRIA
2007
Springer
14 years 5 months ago
Real-Time Facial Expression Recognition for Natural Interaction
The recognition of emotional information is a key step toward giving computers the ability to interact more naturally and intelligently with people. This paper presents a completel...
Eva Cerezo, Isabelle Hupont, Cristina Manresa-Yee,...
IBPRIA
2007
Springer
14 years 5 months ago
Estimation of Multiple Objects at Unknown Locations with Active Contours
Abstract. This paper presents an algorithm for the estimation of multiple regions with unknown shapes and positions using multiple active contour models (ACM’s). The algorithm or...
Margarida Silveira, Jorge S. Marques
IBPRIA
2007
Springer
14 years 5 months ago
On the Detection of Regions-of-Interest in Dynamic Contrast-Enhanced MRI
Multivariate imaging technologies such as Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) have recently gained an important attention as it improves tumour detection...
David Raba, Marta Peracaula, Robert Marti, Joan Ma...
IBPRIA
2007
Springer
14 years 5 months ago
Vehicle Trajectory Estimation Based on Monocular Vision
This paper proposes a system to estimate the 3D position and velocity of vehicles, from images acquired with a monocular camera. Given image regions where vehicles are detected, Ga...
Daniel Ponsa, Antonio M. López
IBPRIA
2007
Springer
14 years 5 months ago
Parsimonious Kernel Fisher Discrimination
Abstract. By applying recent results in optimization transfer, a new algorithm for kernel Fisher Discriminant Analysis is provided that makes use of a non-smooth penalty on the coe...
Kitsuchart Pasupa, Robert F. Harrison, Peter Wille...
IBPRIA
2007
Springer
14 years 5 months ago
Improving Piecewise-Linear Registration Through Mesh Optimization
Abstract. Piecewise-linear methods accomplish the registration by dividing the images in corresponding triangular patches, which are individually mapped through affine transformati...
Vicente Arévalo, Javier González
IBPRIA
2007
Springer
14 years 5 months ago
Mathematical Morphology in the HSI Colour Space
María C. Tobar, Carlos Platero, Pedro M. Go...
IBPRIA
2007
Springer
14 years 5 months ago
Registration-Based Segmentation Using the Information Bottleneck Method
We present two new clustering algorithms for medical image segmentation based on the multimodal image registration and the information bottleneck method. In these algorithms, the h...
Anton Bardera, Miquel Feixas, Imma Boada, Jaume Ri...
IBPRIA
2007
Springer
14 years 5 months ago
Variational Deconvolution of Multi-channel Images with Inequality Constraints
Abstract. A constrained variational deconvolution approach for multichannel images is presented. Constraints are enforced through a reparametrisation which allows a differential g...
Martin Welk, James G. Nagy
IBPRIA
2007
Springer
14 years 5 months ago
Stochastic Local Search for Omnidirectional Catadioptric Stereovision Design
Abstract. This paper deals with a compact catadioptric omnidirectional stereovision system based on a single camera and multi-mirrors (at least two mirrors). Many configurations w...
Gilles Dequen, Laure Devendeville, E. Mouaddib