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Laura Igual, Santiago Segui, Jordi Vitria, Fernando Azpiroz, & Petia Radeva. (2007). Eigenmotion-Based Detection of Intestinal Contractions. In Computer Analysis of Images and Patterns, 12th International Conference (Vol. 4673, 293–300). LNCS.
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Laura Igual, Santiago Segui, Jordi Vitria, Fernando Azpiroz, & Petia Radeva. (2007). Sparse Bayesian Feature Selection Applied to Intestinal Motility Analysis. In XVI Congreso Argentino de Bioingenieria (467–470).
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Alex Goldhoorn, Arnau Ramisa, Ramon Lopez de Mantaras, & Ricardo Toledo. (2007). Using the Average Landmark Vector Method for Robot Homing. In Artificial Intelligence Research and Development, Proceedings of the 10th International Conference of the ACIA (Vol. 163, 331–338).
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Arnau Ramisa, Ramon Lopez de Mantaras, & Ricardo Toledo. (2007). Comparing Combinations of Feature Regions for Panoramic VSLAM. In 4th International Conference on Informatics in Control, Automation and Robotics (292–297).
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Bogdan Raducanu, & Jordi Vitria. (2007). Incremental Subspace Learning for Cognitive Visual Processes. In Advances in Brain, Vision and Artificial Intelligence, 2nd International Symposium (Vol. 4729, 214–223). LNCS.
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Agata Lapedriza, David Masip, & Jordi Vitria. (2007). A Hierarchical Approach for Multi-task Logistic Regression. In J. Marti et al. (Ed.), 3rd Iberian Conference on Pattern Recognition and Image Analysis (Vol. 4478, 258–265). LNCS.
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Sergio Escalera, Petia Radeva, & Oriol Pujol. (2007). Complex Salient Regions for Computer Vision Problems. In IEEE Conference on Computer Vision and Pattern Recognition Workshop on.
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Sergio Escalera, Oriol Pujol, & Petia Radeva. (2007). Traffic Sign Classification using Error Correcting Techniques. In 2nd International Conference on Computer Vision Theory and Applications (281–285).
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Alicia Fornes, Sergio Escalera, Josep Llados, & Gemma Sanchez. (2007). Symbol Recognition by Multi-class Blurred Shape Models. In Seventh IAPR International Workshop on Graphics Recognition (11–13).
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Sergio Escalera, Alicia Fornes, Oriol Pujol, Josep Llados, & Petia Radeva. (2007). Multi-class Binary Object Categorization using Blurred Shape Models. In Progress in Pattern Recognition, Image Analysis and Applications, 12th Iberoamerican Congress on Pattern (Vol. 4756, 773–782). LCNS.
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Angel Sappa, Fadi Dornaika, David Geronimo, & Antonio Lopez. (2007). Efficient On-Board Stereo Vision Pose Estimation. In Computer Aided Systems Theory, Selected paper from (Vol. 4739, 1183–1190). LNCS.
Abstract: This paper presents an efficient technique for real time estimation of on-board stereo vision system pose. The whole process is performed in the Euclidean space and consists of two stages. Initially, a compact representation of the original 3D data points is computed. Then, a RANSAC based least squares approach is used for fitting a plane to the 3D road points. Fast RANSAC fitting is obtained by selecting points according to a probability distribution function that takes into account the density of points at a given depth. Finally, stereo camera position
and orientation—pose—is computed relative to the road plane. The proposed technique is intended to be used on driver assistance systems for applications such as obstacle or pedestrian detection. A real time performance is reached. Experimental results on several environments and comparisons with a previous work are presented.
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Angel Sappa, Rosa Herrero, Fadi Dornaika, David Geronimo, & Antonio Lopez. (2007). Road Approximation in Euclidean and v-Disparity Space: A Comparative Study. In Computer Aided Systems Theory, (Vol. 4739, 1105–1112). LNCS.
Abstract: This paper presents a comparative study between two road approximation techniques—planar surfaces—from stereo vision data. The first approach is carried out in the v-disparity space and is based on a voting scheme, the Hough transform. The second one consists in computing the best fitting plane for the whole 3D road data points, directly in the Euclidean space, by using least squares fitting. The comparative study is initially performed over a set of different synthetic surfaces
(e.g., plane, quadratic surface, cubic surface) digitized by a virtual stereo head; then real data obtained with a commercial stereo head are used. The comparative study is intended to be used as a criterion for fining the best technique according to the road geometry. Additionally, it highlights common problems driven from a wrong assumption about the scene’s prior knowledge.
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Carles Fernandez, & Jordi Gonzalez. (2007). Ontology for Semantic Integration in a Cognitive Surveillance System. In Semantic Multimedia, 2nd International Conference on Semantics and Digital Media Technologies (Vol. 4816, 263–263). LNCS.
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Carles Fernandez, Pau Baiget, Xavier Roca, & Jordi Gonzalez. (2007). Semantic Annotation of Complex Human Scenes for Multimedia Surveillance. In AI* Artificial Intelligence and Human–Oriented Computing. 10th Congress of the Italian Association for Artificial Intelligence, (Vol. 4733, 698–709). LNCS.
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Carles Fernandez, Pau Baiget, Xavier Roca, & Jordi Gonzalez. (2007). Natural Language Descriptions of Human Behavior from Video Sequences. In Advances in Artificial Intelligence, 30th Annual Conference on Artificial Intelligence (Vol. 4667, 279–292). LNCS.
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