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Ivan Huerta, Dani Rowe, Jordi Gonzalez, & Juan J. Villanueva. (2006). Efficient Incorporation of Motionless Foreground Objects for Adaptive Background Segmentation. In IV Conference on Articulated Motion and Deformable Objects (AMDO´06), LNCS 4069: 424–433.
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Carme Julia, Angel Sappa, Felipe Lumbreras, Joan Serrat, & Antonio Lopez. (2006). An Iterative Multiresolution Scheme for SFM. In International Conference on Image Analysis and Recognition (Vol. LNCS 4141, 804–815).
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Josep Llados. (2006). Perspectives on the Analysis of Graphical Documents.
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Agata Lapedriza, David Masip, & Jordi Vitria. (2006). Face Verification using External Features.
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Agata Lapedriza, David Masip, & Jordi Vitria. (2006). On the Use of External Face Features for Identity Verification. Journal of Multimedia, 1(4): 11–20, 11–20.
Abstract: In general automatic face classification applications images are captured in natural environments. In these cases, the performance is affected by variations in facial images related to illumination, pose, occlusion or expressions. Most of the existing face classification systems use only the internal features information, composed by eyes, nose and mouth, since they are more difficult to imitate. Nevertheless, nowadays a lot of applications not related to security are developed, and in these cases the information located at head, chin or ears zones (external features) can be useful to improve the current accuracies. However, the lack of a natural alignment in these areas makes difficult to extract these features applying classic Bottom-Up methods. In this paper, we propose a complete scheme based on a Top-Down reconstruction algorithm to extract external features of face images. To test our system we have performed face verification experiments using public databases, given that identity verification is a general task that has many real life applications. We have considered images uniformly illuminated, images with occlusions and images with high local changes in the illumination, and the obtained results show that the information contributed by the external features can be useful for verification purposes, specially significant when faces are partially occluded.
Keywords: Face Verification, Computer Vision, Machine Learning
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Joan Mas, B. Lamiroy, Gemma Sanchez, & Josep Llados. (2006). Automatic Adjacency Grammar Generation from User Drawn Sketches.
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Joan Mas, B. Lamiroy, Gemma Sanchez, & Josep Llados. (2006). Automatic Learning of Symbol Descriptions Avoiding Topological Ambiguities.
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Joan Mas, Gemma Sanchez, & Josep Llados. (2006). An Incremental Parser to Recognize Diagram Symbols and Gestures represented by Adjacency Grammars.
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Bogdan Raducanu, & Jordi Vitria. (2006). Aprendiendo a Aprender: de Maquinas Listas a Maquinas Inteligentes.
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Bogdan Raducanu, & Jordi Vitria. (2006). A Robust Particle Filter-Based Face Tracker Using Combination of Color and Geometric Information. In International Conference on Image Analysis and Recognition (ICIAR´06), LNCS 4141 (A. Campilho et al., eds.), 1: 922–933.
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Jose Antonio Rodriguez, Gemma Sanchez, & Josep Llados. (2006). Automatic Interpretation of Proofreading Sketches.
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Oriol Ramos Terrades, Salvatore Tabbone, & Ernest Valveny. (2006). Combination of shape descriptors using an adaptation of boosting.
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Marçal Rusiñol, & Josep Llados. (2006). Symbol Spotting in Technical Drawings Using Vectorial Signatures. In Graphics Recognition: Ten Years Review and Future Perspectives, W. Liu, J. Llados (Eds.), LNCS 3926: 35–46.
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Ignasi Rius, X. Varona, Xavier Roca, & Jordi Gonzalez. (2006). Posture Constraints for Bayesian Human Motion Tracking. In IV Conference on Articulated Motion and Deformable Objects (AMDO´06), LNCS 4069: 414–423.
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Angel Sappa. (2006). Splitting up Panoramic Range Images into Compact 2½D Representations. International Journal of Imaging Systems and Technology, 16(3): 85–91.
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