Sciweavers

2632 search results - page 418 / 527
» Analysis of whole-book recognition
Sort
View
IBPRIA
2003
Springer
15 years 5 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, ...
IBPRIA
2003
Springer
15 years 5 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
15 years 5 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
15 years 5 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
15 years 5 months ago
A 3D Ultrasound System for Medical Diagnosis
This paper presents a system for 3D ultrasound which aims to reconstruct a volume of interest from a set of ultrasound images. A Bayesian reconstruction algorithm has been recently...
João M. Sanches, Jorge S. Marques, Fausto P...