Sciweavers

IBPRIA
2003
Springer
14 years 4 months ago
Chromosome Classification Using Continuous Hidden Markov Models
Up-to-date results on the application of Markov models to chromosome analysis are presented. On the one hand, this means using continuous Hidden Markov Models (HMMs) instead of dis...
César Martínez, Héctor Garc&i...
IBPRIA
2003
Springer
14 years 4 months ago
Active Region Segmentation of Mammographic Masses Based on Texture, Contour and Shape Features
Abstract. In this paper we propose a supervised method for the segmentation of masses in mammographic images. The algorithm starts with a selected pixel inside the mass, which has ...
Joan Martí, Jordi Freixenet, Xavier Mu&ntil...
IBPRIA
2003
Springer
14 years 4 months ago
A User Authentication Technic Using a~Web Interaction Monitoring System
User authentication based on biometrics has explored both physiological and behavioral characteristics. We present a system, called Web Interaction Display and Monitoring (WIDAM), ...
Hugo Gamboa, Ana L. N. Fred
IBPRIA
2003
Springer
14 years 4 months ago
Reducing Training Sets by NCN-based Exploratory Procedures
In this paper, a new approach to training set size reduction is presented. This scheme basically consists of defining a small number of prototypes that represent all the original ...
María Teresa Lozano, José Salvador S...
IBPRIA
2003
Springer
14 years 4 months ago
A Colour Tracking Procedure for Low-Cost Face Desktop Applications
In this paper we present an environment for the tracking of a human face obtained from a real video sequence. We will describe the system and discuss the advantages and disadvanta...
Francisco J. Perales López, Ramon Mas, Miqu...
IBPRIA
2003
Springer
14 years 4 months ago
Ultrasound to Magnetic Resonance Volume Registration for Brain Sinking Measurement
This paper addresses the registration of ultrasound scans and magnetic resonance (MR ) volume datasets of the same patient. During a neurosurgery intervention, pre–operative MR i...
David Lloret, Joan Serrat, Antonio M. López...
IBPRIA
2003
Springer
14 years 4 months ago
Probabilistic Observation Models for Tracking Based on Optical Flow
In this paper, we present two new observation models based on optical flow information to track objects using particle filter algorithms. Although optical flow information enabl...
Manuel J. Lucena, José M. Fuertes, Nicolas ...
IBPRIA
2003
Springer
14 years 4 months ago
A Spatio-temporal Filtering Approach to Motion Segmentation
Jesús Chamorro-Martínez, Joaqu&iacut...
IBPRIA
2003
Springer
14 years 4 months ago
Feature-Driven Recognition of Music Styles
In this paper the capability of using self-organising neural maps (SOM) as music style classifiers of musical fragments is studied. From MIDI files, the monophonic melody track i...
Pedro J. Ponce de León, José Manuel ...
IBPRIA
2003
Springer
14 years 4 months ago
High-Accuracy Localization of an Underwater Robot in a~Structured Environment Using Computer Vision
This paper presents a vision-based localization approach for an underwater robot in a structured environment. The system is based on a coded pattern placed on the bottom of a water...
Marc Carreras, Pere Ridao, Joan Batlle Grabulosa, ...