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Author  |
A. Diplaros; N. Vlassis; Theo Gevers |
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Title |
A Spatially Constrained Generative Model and an EM Algorithm for Image Segmentation |
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2007 |
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IEEE Transactions on Neural Networks |
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18 |
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3 |
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798-808 |
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Admin @ si @ DVG2007 |
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947 |
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Author |
Agata Lapedriza; David Masip; Jordi Vitria |
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Title |
A Hierarchical Approach for Multi-task Logistic Regression |
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Conference Article |
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2007 |
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3rd Iberian Conference on Pattern Recognition and Image Analysis |
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4478 |
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258–265 |
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Girona (Spain) |
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J. Marti et al. |
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IbPRIA |
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OR; MV |
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BCNPCL @ bcnpcl @ LMV2007a |
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902 |
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Author |
Agnes Borras; Josep Llados |
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Title |
Similarity-Based Object Retrieval Using Appearance and Geometric Feature Combination |
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Year |
2007 |
Publication |
3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4477:113–120 |
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LNCS |
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4478 |
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33–39 |
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This work presents a content-based image retrieval system of general purpose that deals with cluttered scenes containing a given query object. The system is flexible enough to handle with a single image of an object despite its rotation, translation and scale variations. The image content is divided in parts that are described with a combination of features based on geometrical and color properties. The idea behind the feature combination is to benefit from a fuzzy similarity computation that provides robustness and tolerance to the retrieval process. The features can be independently computed and the image parts can be easily indexed by using a table structure on every feature value. Finally a process inspired in the alignment strategies is used to check the coherence of the object parts found in a scene. Our work presents a system of easy implementation that uses an open set of features and can suit a wide variety of applications. |
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Girona (Spain) |
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978-3-540-72848-1 |
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DAG; |
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DAG @ dag @ BoL2007a; IAM @ iam @ BoL2007a |
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776 |
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Author |
Alex Goldhoorn; Arnau Ramisa; Ramon Lopez de Mantaras; Ricardo Toledo |
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Title |
Using the Average Landmark Vector Method for Robot Homing |
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2007 |
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Artificial Intelligence Research and Development, Proceedings of the 10th International Conference of the ACIA |
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163 |
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331–338 |
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978–1–58603–798–7 |
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CCIA’07 |
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RV;ADAS |
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Admin @ si @ GRL2007 |
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899 |
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Author |
Alicia Fornes; Josep Llados; Gemma Sanchez |
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Title |
Old Handwritten Musical Symbol Classification by a Dynamic Time Warping Based Method |
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2007 |
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Seventh IAPR International Workshop on Graphics Recognition |
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26–27 |
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Curitiba (Brazil) |
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GREC |
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DAG @ dag @ FLS2007 |
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887 |
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Author |
Alicia Fornes; Sergio Escalera; Josep Llados; Gemma Sanchez |
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Title |
Symbol Recognition by Multi-class Blurred Shape Models |
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Conference Article |
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2007 |
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Seventh IAPR International Workshop on Graphics Recognition |
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11–13 |
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Curitiba (Brazil) |
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GREC |
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DAG; MILAB; HUPBA |
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no |
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BCNPCL @ bcnpcl @ FEL2007b |
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910 |
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Author |
Alicia Fornes; Sergio Escalera; Josep Llados; Gemma Sanchez; Petia Radeva; Oriol Pujol |
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Title |
Handwritten Symbol Recognition by a Boosted Blurred Shape Model with Error Correction |
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Book Chapter |
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Year |
2007 |
Publication |
3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4477:13–21 |
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Girona (Spain) |
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MILAB;DAG;HUPBA |
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BCNPCL @ bcnpcl @ FEL2007a |
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775 |
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Author |
Angel Sappa; Boris X. Vintimilla |
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Title |
Cost-Based Closed Contour Representations |
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2007 |
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Journal of Electronic Imaging, 16(2), 023009 (9 pages) |
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ADAS @ adas @ SaV2007 |
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803 |
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Author |
Angel Sappa; David Geronimo; Fadi Dornaika; Antonio Lopez |
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Title |
Stereo Vision Camera Pose Estimation for On-Board Applications |
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Year |
2007 |
Publication |
Scene Reconstruction, Pose Estimation and Traking |
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39-50 |
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Rustam Stolking |
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978-3-902613-06-6 |
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ADAS @ adas @ SGD2007 |
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797 |
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Author |
Angel Sappa; Fadi Dornaika; David Geronimo; Antonio Lopez |
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Title |
Efficient On-Board Stereo Vision Pose Estimation |
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2007 |
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Computer Aided Systems Theory, Selected paper from |
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4739 |
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1183–1190 |
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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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Las Palmas de Gran Canaria (Spain) |
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EUROCAST |
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ADAS @ adas @ SDG2007b |
Serial |
916 |
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Author |
Angel Sappa; M.A. Garcia |
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Title |
Generating compact representations of static scenes by means of 3D object hierarchies |
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2007 |
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The Visual Computer, 23(2): 143–154 |
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ADAS @ adas @ SaG2007a |
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798 |
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Author |
Angel Sappa; M.A. Garcia |
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Title |
Coarse-to-Fine Approximation of Range Images with Bounded Error Adaptive Triangular Meshes |
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2007 |
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Journal of Electronic Imaging, 16(2), 023010(11 pages) |
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ADAS @ adas @ SaG2007b |
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802 |
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Author |
Angel Sappa; M.A. Garcia |
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Title |
Incremental Integration of Multiresolution Range Images |
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2007 |
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The imaging science journal. Vol. 55, No. 3 pp. 127–139 |
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ADAS @ adas @ SaG2007d |
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812 |
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Author |
Angel Sappa; M.A. Garcia |
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Title |
Aprendiendo a recrear la realidad en 3D |
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2007 |
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UAB Divulga, Revista de Divulgacion Cientifica |
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spreading |
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ADAS @ adas @ SaG2007c |
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1470 |
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Angel Sappa; Rosa Herrero; Fadi Dornaika; David Geronimo; Antonio Lopez |
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Road Approximation in Euclidean and v-Disparity Space: A Comparative Study |
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2007 |
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Computer Aided Systems Theory, |
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4739 |
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1105–1112 |
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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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Las Palmas de Gran Canaria (Spain) |
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EUROCAST |
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ADAS |
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ADAS @ adas @ SHD2007b |
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917 |
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