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IBPRIA
2007
Springer
14 years 5 months ago
Hierarchical Eyelid and Face Tracking
Javier Orozco, Jordi Gonzàlez, Ignasi Rius,...
IBPRIA
2007
Springer
14 years 5 months ago
Region-Based Pose Tracking
Abstract. This paper introduces a technique for region-based pose tracking without the need to explicitly compute contours. We assume a surface model of a rigid object and at least...
Christian Schmaltz, Bodo Rosenhahn, Thomas Brox, D...
IBPRIA
2007
Springer
14 years 5 months ago
Optimally Discriminant Moments for Speckle Detection in Real B-Scan Images
Detection of speckle in ultrasound (US) images has been regarded as an important research topic in US imaging, mainly focusing on two specific applications: improving signal to no...
Robert Marti, Joan Martí, Jordi Freixenet, ...
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...