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Author |
Josep Llados; Horst Bunke; Enric Marti |
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Title |
Using cyclic string matching to find rotational and reflectional symmetric shapes |
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Conference Article |
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Year |
1996 |
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Intelligent Robots: Sensing, Modeling and Planning (Dagstuhl Workshop) |
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164-179 |
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World Scientific |
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Saarbrucken (Germany). |
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R.C. Bolles, H.B.H.N. |
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DAG;IAM |
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IAM @ iam @ LBM1996 |
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1564 |
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Author |
Marçal Rusiñol; Josep Llados |
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Title |
Flowchart Recognition in Patent Information Retrieval |
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Book Chapter |
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Year |
2017 |
Publication |
Current Challenges in Patent Information Retrieval |
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37 |
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351-368 |
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Springer Berlin Heidelberg |
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M. Lupu; K. Mayer; N. Kando; A.J. Trippe |
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DAG; 600.097; 600.121 |
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Admin @ si @ RuL2017 |
Serial |
2896 |
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Author |
Veronica Romero; Alicia Fornes; Enrique Vidal; Joan Andreu Sanchez |
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Title |
Information Extraction in Handwritten Marriage Licenses Books Using the MGGI Methodology |
Type |
Conference Article |
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Year |
2017 |
Publication |
8th Iberian Conference on Pattern Recognition and Image Analysis |
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Volume |
10255 |
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Pages |
287-294 |
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Keywords |
Handwritten Text Recognition; Information extraction; Language modeling; MGGI; Categories-based language model |
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Abstract |
Historical records of daily activities provide intriguing insights into the life of our ancestors, useful for demographic and genealogical research. For example, marriage license books have been used for centuries by ecclesiastical and secular institutions to register marriages. These books follow a simple structure of the text in the records with a evolutionary vocabulary, mainly composed of proper names that change along the time. This distinct vocabulary makes automatic transcription and semantic information extraction difficult tasks. In previous works we studied the use of category-based language models and how a Grammatical Inference technique known as MGGI could improve the accuracy of these tasks. In this work we analyze the main causes of the semantic errors observed in previous results and apply a better implementation of the MGGI technique to solve these problems. Using the resulting language model, transcription and information extraction experiments have been carried out, and the results support our proposed approach. |
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Faro; Portugal; June 2017 |
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L.A. Alexandre; J.Salvador Sanchez; Joao M. F. Rodriguez |
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978-3-319-58837-7 |
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IbPRIA |
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DAG; 602.006; 600.097; 600.121 |
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Admin @ si @ RFV2017 |
Serial |
2952 |
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Author |
V. Valev; Petia Radeva |
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Title |
Determining Structural Description by Boolean Formulas. |
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Book Chapter |
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Year |
1992 |
Publication |
Advances in Structural and Syntactic Pattern Recognition |
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5 |
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131–140 |
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Abstract |
Pattern recognition is an active area of research with many applications, some of which have reached commercial maturity. Structural and syntactic methods are very powerful. They are based on symbolic data structures together with matching, parsing, and reasoning procedures that are able to infer interpretations of complex input patterns.
This book gives an overview of the latest developments and achievements in the field. |
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World Scientific |
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H. Bunke |
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Machine Perception and Artificial Intelligence: |
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978-981-279-791-9 |
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MILAB |
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no |
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BCNPCL @ bcnpcl @ VaR1992c |
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254 |
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Author |
Antonio Lopez; Jiaolong Xu; Jose Luis Gomez; David Vazquez; German Ros |
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Title |
From Virtual to Real World Visual Perception using Domain Adaptation -- The DPM as Example |
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Book Chapter |
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Year |
2017 |
Publication |
Domain Adaptation in Computer Vision Applications |
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13 |
Pages |
243-258 |
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Domain Adaptation |
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Abstract |
Supervised learning tends to produce more accurate classifiers than unsupervised learning in general. This implies that training data is preferred with annotations. When addressing visual perception challenges, such as localizing certain object classes within an image, the learning of the involved classifiers turns out to be a practical bottleneck. The reason is that, at least, we have to frame object examples with bounding boxes in thousands of images. A priori, the more complex the model is regarding its number of parameters, the more annotated examples are required. This annotation task is performed by human oracles, which ends up in inaccuracies and errors in the annotations (aka ground truth) since the task is inherently very cumbersome and sometimes ambiguous. As an alternative we have pioneered the use of virtual worlds for collecting such annotations automatically and with high precision. However, since the models learned with virtual data must operate in the real world, we still need to perform domain adaptation (DA). In this chapter we revisit the DA of a deformable part-based model (DPM) as an exemplifying case of virtual- to-real-world DA. As a use case, we address the challenge of vehicle detection for driver assistance, using different publicly available virtual-world data. While doing so, we investigate questions such as: how does the domain gap behave due to virtual-vs-real data with respect to dominant object appearance per domain, as well as the role of photo-realism in the virtual world. |
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Springer |
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Editor |
Gabriela Csurka |
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ADAS; 600.085; 601.223; 600.076; 600.118 |
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no |
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Call Number |
ADAS @ adas @ LXG2017 |
Serial |
2872 |
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Author |
Fadi Dornaika; Bogdan Raducanu; Alireza Bosaghzadeh |
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Title |
Facial expression recognition based on multi observations with application to social robotics |
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Book Chapter |
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Year |
2015 |
Publication |
Emotional and Facial Expressions: Recognition, Developmental Differences and Social Importance |
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153-166 |
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Abstract |
Human-robot interaction is a hot topic nowadays in the social robotics
community. One crucial aspect is represented by the affective communication
which comes encoded through the facial expressions. In this chapter, we propose a novel approach for facial expression recognition, which exploits an efficient and adaptive graph-based label propagation (semi-supervised mode) in a multi-observation framework. The facial features are extracted using an appearance-based 3D face tracker, viewand texture independent. Our method has been extensively tested on the CMU dataset, and has been conveniently compared with other methods for graph construction. With the proposed approach, we developed an application for an AIBO robot, in which it mirrors the recognized facial
expression. |
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Nova Science publishers |
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Editor |
Bruce Flores |
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LAMP; |
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no |
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Call Number |
Admin @ si @ DRB2015 |
Serial |
2720 |
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Author |
Xose M. Pardo; Petia Radeva; Juan J. Villanueva |
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Title |
Self-Training Statistic Snake for Image Segmentation and Tracking. |
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Miscellaneous |
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Year |
1999 |
Publication |
Proceedings 10th International Conference on Image Analysis and Processing |
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Pages |
406-411 |
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Abstract |
. |
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Address |
Venice |
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ICIAP |
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MILAB |
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no |
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Call Number |
BCNPCL @ bcnpcl @ PRV1999 |
Serial |
26 |
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Author |
Jordi Vitria; Petia Radeva; X. Binefa |
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Title |
EigenHistograms: using low dimensional models of color distribution for real time object recognition |
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Conference Article |
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Year |
1999 |
Publication |
Computer Analysis of Images and Patterns |
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Ljubliana, Slovenia, Springer-Verlag |
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OR;MILAB;MV |
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no |
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Call Number |
BCNPCL @ bcnpcl @ VRB1999a |
Serial |
29 |
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Author |
D. Rincon; E. Frumento; M. Angel Viñas |
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Title |
Description of a teleconsultation platform and its interaction with access networks. |
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Conference Article |
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1999 |
Publication |
V Open European Summer School. 145–150. |
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Barcelona |
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ISE @ ise @ RFV1999 |
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32 |
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Author |
A. Pujol; Javier Varona; Joan Serrat |
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Title |
A machine vision system for the inspection of industrial sieves. |
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Conference Article |
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1997 |
Publication |
(SNRFAI’97) 7th Spanish National Symposium on Pattern Recognition and Image Analysis |
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ADAS |
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ADAS @ adas @ PVS1997 |
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33 |
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Author |
Maria Vanrell; Jordi Vitria; Xavier Roca |
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Title |
A multidimensional scaling approach to explore the behavior of a texture perception algorithm. |
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1997 |
Publication |
Machine Vision and Applications |
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9 |
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262–271 |
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OR;ISE;CIC;MV |
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BCNPCL @ bcnpcl @ VVR1997 |
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35 |
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Author |
Xavier Roca; X. Binefa; Jordi Vitria |
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Title |
A New Accomodation Algorithm for a Microscopy Environment. |
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Conference Article |
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1997 |
Publication |
(SNRFAI’97) 7th Spanish National Symposium on Pattern Recognition and Image Analysis |
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66-67 |
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OR;ISE;MV |
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BCNPCL @ bcnpcl @ RBV1997 |
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37 |
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Author |
Xavier Roca; Jordi Vitria; Maria Vanrell; Juan J. Villanueva |
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Title |
Gaze control in a binocular robot systems |
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Conference Article |
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1999 |
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7th IEEE International Conference on Emerging Technologies and Factory Automation. Proceedings ETFA '99 |
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Barcelona |
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OR;ISE;CIC;MV |
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BCNPCL @ bcnpcl @ RVV1999b |
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41 |
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Author |
Josep Llados; Gemma Sanchez; Enric Marti |
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Title |
A String-Based Method to Recognize Symbols and Structural Textures in Architectural Plans. |
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Conference Article |
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1997 |
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Graphics Recognition Algorithms and Systems. GREC 1997. |
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1389 |
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91-103 |
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DAG |
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DAG @ dag @ LSM1997 |
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44 |
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Author |
A. Martinez; S. Gonzalez; Jordi Vitria; J. Lopez |
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Title |
NAT: a robot that recognizes offices. |
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Conference Article |
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1997 |
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Proceedings of CAEPIA–97. VII Conferencia de la Asociación Española para la Inteligencia Artificial. |
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327-336 |
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CAEPIA |
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OR;MV |
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BCNPCL @ bcnpcl @ MGV1997 |
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46 |
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