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Jaume Amores, N. Sebe and Petia Radeva. 2006. Boosting the distance estimation: Application to the K-Nearest Neighbor Classifier. PRL, 27(3), 201–209.
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Angel Sappa, David Geronimo, Fadi Dornaika and Antonio Lopez. 2006. On-board camera extrinsic parameter estimation. EL, 42(13), 745–746.
Abstract: An efficient technique for real-time estimation of camera extrinsic parameters is presented. It is intended to be used on on-board vision systems for driving assistance applications. The proposed technique is based on the use of a commercial stereo vision system that does not need any visual feature extraction.
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Angel Sappa. 2006. Splitting up Panoramic Range Images into Compact 2½D Representations.
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Enrique Cabello, Cristina Conde, Angel Serrano, Licesio Rodriguez and David Vazquez. 2006. Empleo de sistemas biométricos para el reconocimiento de personas en aeropuertos. Instituto Universitario de Investigación sobre Seguridad Interior (IUSI 2006).
Abstract: El presente proyecto se desarrolló a lo largo del año 2005, probando un prototipo de un sistema de verificación facial con imágenes extraídas de las cámaras de video vigilancia del aeropuerto de Barajas. Se diseñaron varios experimentos, agrupados en dos clases. En el primer tipo, el sistema es entrenado con imágenes obtenidas en condiciones de laboratorio y luego probado con imágenes extraídas de las cámaras de video vigilancia del aeropuerto de Barajas. En el segundo caso, tanto las imágenes de entrenamiento como las de prueba corresponden a imágenes extraídas de Barajas. Se ha desarrollado un sistema completo, que incluye adquisición y digitalización de las imágenes, localización y recorte de las caras en escena, verificación de sujetos y obtención de resultados. Los resultados muestran, que, en general, un sistema de verificación facial basado en imágenes puede ser una ayuda a un operario que deba estar vigilando amplias zonas.
Keywords: Surveillance; Face detection; Face recognition
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Enric Marti, Carme Julia and Debora Gil. 2006. A PBL Experience in the Teaching of Computer Graphics. CGF, 25(1), 95–103.
Abstract: Project-Based Learning (PBL) is an educational strategy to improve student’s learning capability that, in recent years, has had a progressive acceptance in undergraduate studies. This methodology is based on solving a problem or project in a student working group. In this way, PBL focuses on learning the necessary tools to correctly find a solution to given problems. Since the learning initiative is transferred to the student, the PBL method promotes students own abilities. This allows a better assessment of the true workload that carries out the student in the subject. It follows that the methodology conforms to the guidelines of the Bologna document, which quantifies the student workload in a subject by means of the European credit transfer system (ECTS). PBL is currently applied in undergraduate studies needing strong practical training such as medicine, nursing or law sciences. Although this is also the case in engineering studies, amazingly, few experiences have been reported. In this paper we propose to use PBL in the educational organization of the Computer Graphics subjects in the Computer Science degree. Our PBL project focuses in the development of a C++ graphical environment based on the OpenGL libraries for visualization and handling of different graphical objects. The starting point is a basic skeleton that already includes lighting functions, perspective projection with mouse interaction to change the point of view and three predefined objects. Students have to complete this skeleton by adding their own functions to solve the project. A total number of 10 projects have been proposed and successfully solved. The exercises range from human face rendering to articulated objects, such as robot arms or puppets. In the present paper we extensively report the statement and educational objectives for two of the projects: solar system visualization and a chess game. We report our earlier educational experience based on the standard classroom theoretical, problem and practice sessions and the reasons that motivated searching for other learning methods. We have mainly chosen PBL because it improves the student learning initiative. We have applied the PBL educational model since the beginning of the second semester. The student’s feedback increases in his interest for the subject. We present a comparative study of the teachers’ and students’ workload between PBL and the classic teaching approach, which suggests that the workload increase in PBL is not as high as it seems.
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Antonio Lopez, Ernest Valveny and Juan J. Villanueva. 2005. Real-time quality control of surgical material packaging by artificial vision. Assembly Automation, 25(3).
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A. Restrepo, Angel Sappa and M. Devy. 2005. Edge registration versus triangular mesh registration, a comparative study.
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Jaume Amores and Petia Radeva. 2005. Registration and Retrieval of Highly Elastic Bodies using Contextual Information. PRL, 26(11), 1720–1731.
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Jaume Amores and Petia Radeva. 2005. Retrieval of IVUS Images Using Contextual Information and Elastic Matching.
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Daniel Ponsa, Robert Benavente, Felipe Lumbreras, J. Martinez and Xavier Roca. 2003. Quality control of safety belts by machine vision inspection for real-time production.
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