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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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Fadi Dornaika, & Bogdan Raducanu. (2007). Inferring Facial Expressions from Videos: Tool and Application. Signal Processing: Image Communication, vol. 22(9):769–784.
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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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Jaume Amores, N. Sebe, & Petia Radeva. (2007). Context-Based Object-Class Recognition and Retrieval by Generalized Correlograms. IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 29(10):1818–1833, (ISI 3,81).
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Jaume Amores, N. Sebe, & Petia Radeva. (2007). Class-Specific Binaryy Correlograms for Object Recognition. In British Machine Vision Conference.
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Joel Barajas, Karla Lizbeth Caballero, & Petia Radeva. (2007). Cardiac Phase Extraction in IVUS Sequences Using 1-D Gabor Filters. In Engineering in Medicine and Biology Society, 29th Annual International Conference of the IEEE (343–36).
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Karla Lizbeth Caballero, Joel Barajas, & Petia Radeva. (2007). Using Reconstructed IVUS Images for Coronary Plaque Classification. In Engineering in Medicine and Biology Society, 29th Annual International Conference of the IEEE (2167–2170).
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Karla Lizbeth Caballero, Joel Barajas, & Oriol Pujol. (2007). Reconstructing IVUS Images for an Accurate Tissue Classification. In Proceedings of the Second International Conference on Computer Vision Theory and Applications (Vol. Special Sessions, 113–119).
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Daniel Ponsa, & Antonio Lopez. (2007). Cascade of Classifiers for Vehicle Detection. In Advanced Concepts for Intelligent Vision Systems, LNCS 4678, volume 1, pp. 980–989.
Keywords: vehicle detection
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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 EUROCAST2007, Workshop on Cybercars and Intelligent Vehicles (368–369).
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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Javier Jimenez, Antonio Lopez, & Joan Serrat. (2007). Un enfoque ABP aplicado a Ingenieria del Software.
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David Masip, Agata Lapedriza, & Jordi Vitria. (2007). Measuring External Face Appearance for Face Classification. In Face Recognition, Ed. Kresimir Delac and Mislav Grgic, pp. 287–307, ISBN 978–3–902613–03–5, I–Tech Education and Publishing.
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