| Records |
| Author |
X. Binefa; Jordi Vitria |
Title  |
A contrast based focusing criterium. |
Type |
Miscellaneous |
| Year |
1996 |
Publication |
IEEE International Conference on Pattern Recognition. Vol. A, pp. 805–809 |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ BiV1996 |
Serial |
79 |
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| Author |
Oriol Ramos Terrades; Albert Berenguel; Debora Gil |
| Title |
A flexible outlier detector based on a topology given by graph communities |
Type |
Miscellaneous |
| Year |
2020 |
Publication |
Arxiv |
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Outlier, or anomaly, detection is essential for optimal performance of machine learning methods and statistical predictive models. It is not just a technical step in a data cleaning process but a key topic in many fields such as fraudulent document detection, in medical applications and assisted diagnosis systems or detecting security threats. In contrast to population-based methods, neighborhood based local approaches are simple flexible methods that have the potential to perform well in small sample size unbalanced problems. However, a main concern of local approaches is the impact that the computation of each sample neighborhood has on the method performance. Most approaches use a distance in the feature space to define a single neighborhood that requires careful selection of several parameters. This work presents a local approach based on a local measure of the heterogeneity of sample labels in the feature space considered as a topological manifold. Topology is computed using the communities of a weighted graph codifying mutual nearest neighbors in the feature space. This way, we provide with a set of multiple neighborhoods able to describe the structure of complex spaces without parameter fine tuning. The extensive experiments on real-world data sets show that our approach overall outperforms, both, local and global strategies in multi and single view settings. |
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IAM; DAG; 600.139; 600.145; 600.140; 600.121 |
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no |
| Call Number |
Admin @ si @ RBG2020 |
Serial |
3475 |
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| Author |
Maria Vanrell; Jordi Vitria; Xavier Roca |
| Title |
A General Morphological Framework for Perceptual Texture Discrimination based on Granulometries. |
Type |
Miscellaneous |
| Year |
1993 |
Publication |
Technical Workshop on Mathematical Morphology and its Applications to Signal Processing. |
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Barcelona |
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OR;ISE;CIC;MV |
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no |
| Call Number |
BCNPCL @ bcnpcl @ VVR1993 |
Serial |
154 |
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| Author |
Gemma Sanchez; Josep Llados |
| Title |
A Graph Grammar to Recognize Textured Symbols. |
Type |
Miscellaneous |
| Year |
2001 |
Publication |
Sixth International Conference on Document Analysis and Recognition, ICDAR 2001, 465–469. |
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USA |
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DAG |
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DAG @ dag @ SLl2001 |
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162 |
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| Author |
Josep Llados; Enric Marti |
| Title |
A graph-edit algorithm for hand-drawn graphical document recognition and their automatic introduction into CAD systems. |
Type |
Miscellaneous |
| Year |
1999 |
Publication |
Machine Graphics & Vision, 8(2):195–211. |
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DAG |
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no |
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DAG @ dag @ LlM1999a |
Serial |
187 |
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| Author |
Josep Llados; J. Lopez-Krahe; Enric Marti |
| Title |
A Hough-based method for hatched pattern detection in maps and diagrams. |
Type |
Miscellaneous |
| Year |
1999 |
Publication |
Proceedings of the International Conference on Document Analysis and Recognition. |
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Bangalore-India |
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DAG |
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no |
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DAG @ dag @ LlM1999b |
Serial |
1 |
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| Author |
Jordi Gonzalez; Javier Varona; Xavier Roca; Juan J. Villanueva |
| Title |
A Human Action Comparison Framework for Motion Understanding |
Type |
Miscellaneous |
| Year |
2003 |
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Palma de Mallorca, Spain |
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ISE |
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no |
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ISE @ ise @ GVR2003e |
Serial |
361 |
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| Author |
Jordi Gonzalez; Javier Varona; Xavier Roca; Juan J. Villanueva |
| Title |
A Human Action Comparison Framework for Motion Understanding |
Type |
Miscellaneous |
| Year |
2003 |
Publication |
Frontiers in Artificial Intelligence and Applications 100, 331–340 |
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ISE |
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no |
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ISE @ ise @ GVR2003c |
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389 |
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| Author |
Zhong Jin; Jing-Yu Yang; Zhen Lou |
| Title |
A luminance-conditional distribution model of skin color information |
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Miscellaneous |
| Year |
2005 |
Publication |
2005 Beijing International Conference on Imaging: Technology and Applications for the 21th Century, 280–281 |
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Beijing (China) |
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no |
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Admin @ si @ JYL2005 |
Serial |
628 |
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| Author |
A. Pujol; Javier Varona; Joan Serrat |
| Title |
A machine vision system for the inspection of industrial sieves. |
Type |
Miscellaneous |
| Year |
1997 |
Publication |
VII SNRFAI. |
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ADAS |
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no |
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ADAS @ adas @ PVS1997 |
Serial |
33 |
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| Author |
V. Valev; Petia Radeva |
| Title |
A Method of Solving Pattern or image Recognition Problems by Learning Boolean Formulas. |
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Miscellaneous |
| Year |
1992 |
Publication |
Proc. of 11th IAPR International Conference on Pattern Recognition, Hague, Netherlands, IEEE Computer Society Press, vol. II, pp. 359–362. |
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MILAB |
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no |
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BCNPCL @ bcnpcl @ VaR1992b |
Serial |
253 |
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| Author |
Josep Llados; Felipe Lumbreras; Javier Varona |
| Title |
A multidocument platform for automatic reading of identity cards. |
Type |
Miscellaneous |
| Year |
1999 |
Publication |
Proceedings of the VIII Symposium Nacional de Reconocimiento de Formas y Analisis de Imagenes. |
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Bilbao |
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ADAS;DAG |
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no |
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ADAS @ adas @ LLV1999 |
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7 |
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| Author |
Marco Pedersoli |
| Title |
A Multiresolution Cascade for Human Detection |
Type |
Miscellaneous |
| Year |
2008 |
Publication |
CVC Technical Report #126 |
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Barcelona, Spain |
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ISE |
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no |
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Admin @ si @ Ped2008 |
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1148 |
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| Author |
Xavier Roca; X. Binefa; Jordi Vitria |
| Title |
A New Accomodation Algorithm for a Microscopy Environment. |
Type |
Miscellaneous |
| Year |
1997 |
Publication |
VII National Symposium on Pattern Recognition and image Analysis. Vol. 2, pp. 66–67. |
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OR;ISE;MV |
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no |
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BCNPCL @ bcnpcl @ RBV1997 |
Serial |
37 |
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| Author |
Xavier Roca; X. Binefa; Jordi Vitria |
| Title |
A New Autofocus Algorithm for Cytological Tissue in a Microscopy Environment. |
Type |
Miscellaneous |
| Year |
1998 |
Publication |
Optical Engineering. |
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OR;ISE;MV |
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no |
| Call Number |
BCNPCL @ bcnpcl @ RBV1998 |
Serial |
16 |
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