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Author B. Zhou; Agata Lapedriza; J. Xiao; A. Torralba; A. Oliva
Title Learning Deep Features for Scene Recognition using Places Database Type Conference Article
Year 2014 Publication 28th Annual Conference on Neural Information Processing Systems Abbreviated Journal
Volume Issue Pages 487-495
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Abstract
Address Montreal; Canada; December 2014
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Publisher Place of Publication Editor
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ISSN ISBN Medium
Area Expedition Conference NIPS
Notes (down) OR;MV Approved no
Call Number Admin @ si @ ZLX2014 Serial 2621
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Author Agata Lapedriza; David Masip; David Sanchez
Title Emotions Classification using Facial Action Units Recognition Type Conference Article
Year 2014 Publication 17th International Conference of the Catalan Association for Artificial Intelligence Abbreviated Journal
Volume 269 Issue Pages 55-64
Keywords
Abstract In this work we build a system for automatic emotion classification from image sequences. We analyze subtle changes in facial expressions by detecting a subset of 12 representative facial action units (AUs). Then, we classify emotions based on the output of these AUs classifiers, i.e. the presence/absence of AUs. We base the AUs classification upon a set of spatio-temporal geometric and appearance features for facial representation, fusing them within the emotion classifier. A decision tree is trained for emotion classifying, making the resulting model easy to interpret by capturing the combination of AUs activation that lead to a particular emotion. For Cohn-Kanade database, the proposed system classifies 7 emotions with a mean accuracy of near 90%, attaining a similar recognition accuracy in comparison with non-interpretable models that are not based in AUs detection.
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Publisher Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN 978-1-61499-451-0 Medium
Area Expedition Conference CCIA
Notes (down) OR;MV Approved no
Call Number Admin @ si @ LMS2014 Serial 2622
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Author Fadi Dornaika; Bogdan Raducanu; Alireza Bosaghzadeh
Title Facial expression recognition based on multi observations with application to social robotics Type Book Chapter
Year 2015 Publication Emotional and Facial Expressions: Recognition, Developmental Differences and Social Importance Abbreviated Journal
Volume Issue Pages 153-166
Keywords
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.
Address
Corporate Author Thesis
Publisher Nova Science publishers Place of Publication Editor Bruce Flores
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN ISBN Medium
Area Expedition Conference
Notes (down) OR;MV Approved no
Call Number Admin @ si @ DRB2015 Serial 2720
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Author David Sanchez-Mendoza; David Masip; Agata Lapedriza
Title Emotion recognition from mid-level features Type Journal Article
Year 2015 Publication Pattern Recognition Letters Abbreviated Journal PRL
Volume 67 Issue Part 1 Pages 66–74
Keywords Facial expression; Emotion recognition; Action units; Computer vision
Abstract In this paper we present a study on the use of Action Units as mid-level features for automatically recognizing basic and subtle emotions. We propose a representation model based on mid-level facial muscular movement features. We encode these movements dynamically using the Facial Action Coding System, and propose to use these intermediate features based on Action Units (AUs) to classify emotions. AUs activations are detected fusing a set of spatiotemporal geometric and appearance features. The algorithm is validated in two applications: (i) the recognition of 7 basic emotions using the publicly available Cohn-Kanade database, and (ii) the inference of subtle emotional cues in the Newscast database. In this second scenario, we consider emotions that are perceived cumulatively in longer periods of time. In particular, we Automatically classify whether video shoots from public News TV channels refer to Good or Bad news. To deal with the different video lengths we propose a Histogram of Action Units and compute it using a sliding window strategy on the frame sequences. Our approach achieves accuracies close to human perception.
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Corporate Author Thesis
Publisher Elsevier B.V. Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0167-8655 ISBN Medium
Area Expedition Conference
Notes (down) OR;MV Approved no
Call Number Admin @ si @ SML2015 Serial 2746
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Author Petia Radeva; Judit Martinez; A. Tovar; X. Binefa; Jordi Vitria; Juan J. Villanueva
Title CORKIDENT: an automatic vision system for real-time inspection of natural products. Type Journal Article
Year 1999 Publication Abbreviated Journal
Volume Issue Pages
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Address Wales
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN ISBN Medium
Area Expedition Conference
Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ RMT1999 Serial 23
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Author J.M. Sanchez; X. Binefa; Jordi Vitria; Petia Radeva
Title Local Analysis for Scene Break Detection Applied to TV Commercials Recognition. Type Miscellaneous
Year 1999 Publication Visual information and information systems, 237–244, Springer– Verlag. Abbreviated Journal
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Address
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Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ SBV1999 Serial 27
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Author Jordi Vitria; Petia Radeva; X. Binefa
Title EigenHistograms: using low dimensional models of color distribution for real time object recognition Type Journal Article
Year 1999 Publication Abbreviated Journal
Volume Issue Pages
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Abstract
Address Ljubliana, Slovenia, Springer-Verlag
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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Area Expedition Conference
Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ VRB1999a Serial 29
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Author Petia Radeva; Jordi Vitria
Title Region Based Approach for Discriminant Snakes. Type Miscellaneous
Year 2001 Publication Proceedings IEEE International Conference on Image Processing, 801–804. Abbreviated Journal
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Address
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Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ RVi2001 Serial 160
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Author F. de la Torre; Jordi Vitria; Petia Radeva; J. Melenchon
Title EigenFiltering for flexible Eigentracking. Type Conference Article
Year 2000 Publication 15 th International Conference on Pattern Recognition Abbreviated Journal
Volume 3 Issue Pages 1118-1121
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Abstract
Address Barcelona.
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Publisher Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
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ISSN ISBN Medium
Area Expedition Conference ICPR
Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ TVR2000 Serial 179
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Author Petia Radeva; M. Bressan; A. Tovar; Jordi Vitria
Title Bayesian Classification for Inspection of Industrial Products. Type Miscellaneous
Year 2002 Publication Abbreviated Journal
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Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ RBT2002a Serial 285
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Author Petia Radeva; M. Bressan; A. Tovar; Jordi Vitria
Title Real-Time Inspection of cork stoppers using parametric methods in high dimensional spaces. Type Miscellaneous
Year 2002 Publication Proceedings of the Fourth IASTED International Conference, Signal and Image Processing: 480–484. Abbreviated Journal
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Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ RBT2002b Serial 296
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Author Petia Radeva; M. Bressan; A. Tovar; Jordi Vitria
Title Bayesian Classification for Inspection of Industrial Products. Type Miscellaneous
Year 2002 Publication Abbreviated Journal
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Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ RBT2002c Serial 316
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Author X. Binefa; J.M. Sanchez; Petia Radeva; Jordi Vitria
Title Linking Visual Cues and Semantic Terms Under Specific Digital Video Domains. Type Miscellaneous
Year 2000 Publication Journal of Visual Languages and Computing, 11(3):253–271. Abbreviated Journal
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Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ BRS2000 Serial 337
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Author Petia Radeva; Jordi Vitria
Title “Inteligencia artificial” Centre de Visio per Computador Type Miscellaneous
Year 2003 Publication Europacork.com (Digital Journal) Any II num. 7 Abbreviated Journal
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Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ RaV2003b Serial 404
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Author Petia Radeva; Jordi Vitria
Title Region-Based Approach for Discriminant Snakes Type Miscellaneous
Year 2001 Publication Proceedings of ICIP Abbreviated Journal
Volume Issue Pages
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Address Thesaloniki, Greece
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Notes (down) OR;MILAB;MV Approved no
Call Number BCNPCL @ bcnpcl @ RaV2001 Serial 436
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