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Author  |
Carles Fernandez; Jordi Gonzalez; Joao Manuel R. S. Taveres; Xavier Roca |
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Title |
Towards Ontological Cognitive System |
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2013 |
Publication |
Topics in Medical Image Processing and Computational Vision |
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8 |
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87-99 |
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Abstract |
The increasing ubiquitousness of digital information in our daily lives has positioned video as a favored information vehicle, and given rise to an astonishing generation of social media and surveillance footage. This raises a series of technological demands for automatic video understanding and management, which together with the compromising attentional limitations of human operators, have motivated the research community to guide its steps towards a better attainment of such capabilities. As a result, current trends on cognitive vision promise to recognize complex events and self-adapt to different environments, while managing and integrating several types of knowledge. Future directions suggest to reinforce the multi-modal fusion of information sources and the communication with end-users. |
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Springer Netherlands |
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2212-9391 |
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978-94-007-0725-2 |
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ISE; 605.203; 302.018; 600.049 |
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Admin @ si @ FGT2013 |
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2287 |
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Author |
Carles Fernandez; Jordi Gonzalez |
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Title |
Ontology for Semantic Integration in a Cognitive Surveillance System |
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Conference Article |
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2007 |
Publication |
Semantic Multimedia, 2nd International Conference on Semantics and Digital Media Technologies |
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4816 |
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263–263 |
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Genova (Italy) |
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SAMT’07 |
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ISE |
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ISE @ ise @ FeG2007 |
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919 |
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Author |
Carles Fernandez; Jordi Gonzalez |
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Title |
A Multilingually-Extensible Module for Natural Language Generation |
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Report |
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2008 |
Publication |
CVC Technical Report #120 |
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Barcelona, Spain |
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ISE @ ise @ FeG2008 |
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1146 |
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Author |
Carles Fernandez |
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Title |
Natural Language for Human Behavior Evaluation in Video Sequences |
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Report |
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2007 |
Publication |
CVC Technical Report #101 |
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CVC (UAB) |
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Call Number |
Admin @ si @ Fer2007 |
Serial |
817 |
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Author |
Carles Fernandez |
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Title |
Understanding Image Sequences: the Role of Ontologies in Cognitive Vision |
Type |
Book Whole |
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Year |
2010 |
Publication |
PhD Thesis, Universitat Autonoma de Barcelona-CVC |
Abbreviated Journal |
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Abstract |
The increasing ubiquitousness of digital information in our daily lives has positioned
video as a favored information vehicle, and given rise to an astonishing generation of
social media and surveillance footage. This raises a series of technological demands
for automatic video understanding and management, which together with the compromising attentional limitations of human operators, have motivated the research
community to guide its steps towards a better attainment of such capabilities. As
a result, current trends on cognitive vision promise to recognize complex events and
self-adapt to different environments, while managing and integrating several types of
knowledge. Future directions suggest to reinforce the multi-modal fusion of information sources and the communication with end-users.
In this thesis we tackle the problem of recognizing and describing meaningful
events in video sequences from different domains, and communicating the resulting
knowledge to end-users by means of advanced interfaces for human–computer interaction. This problem is addressed by designing the high-level modules of a cognitive
vision framework exploiting ontological knowledge. Ontologies allow us to define the
relevant concepts in a domain and the relationships among them; we prove that the
use of ontologies to organize, centralize, link, and reuse different types of knowledge
is a key factor in the materialization of our objectives.
The proposed framework contributes to: (i) automatically learn the characteristics
of different scenarios in a domain; (ii) reason about uncertain, incomplete, or vague
information from visual –camera’s– or linguistic –end-user’s– inputs; (iii) derive plausible interpretations of complex events from basic spatiotemporal developments; (iv)
facilitate natural interfaces that adapt to the needs of end-users, and allow them to
communicate efficiently with the system at different levels of interaction; and finally,
(v) find mechanisms to guide modeling processes, maintain and extend the resulting
models, and to exploit multimodal resources synergically to enhance the former tasks.
We describe a holistic methodology to achieve these goals. First, the use of prior
taxonomical knowledge is proved useful to guide MAP-MRF inference processes in
the automatic identification of semantic regions, with independence of a particular scenario. Towards the recognition of complex video events, we combine fuzzy
metric-temporal reasoning with SGTs, thus assessing high-level interpretations from
spatiotemporal data. Here, ontological resources like T–Boxes, onomasticons, or factual databases become useful to derive video indexing and retrieval capabilities, and
also to forward highlighted content to smart user interfaces. There, we explore the
application of ontologies to discourse analysis and cognitive linguistic principles, or scene augmentation techniques towards advanced communication by means of natural language dialogs and synthetic visualizations. Ontologies become fundamental to
coordinate, adapt, and reuse the different modules in the system.
The suitability of our ontological framework is demonstrated by a series of applications that especially benefit the field of smart video surveillance, viz. automatic generation of linguistic reports about the content of video sequences in multiple natural
languages; content-based filtering and summarization of these reports; dialogue-based
interfaces to query and browse video contents; automatic learning of semantic regions
in a scenario; and tools to evaluate the performance of components and models in the
system, via simulation and augmented reality. |
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Ph.D. thesis |
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Publisher |
Ediciones Graficas Rey |
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Editor |
Jordi Gonzalez;Xavier Roca |
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978-84-937261-2-6 |
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no |
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Call Number |
Admin @ si @ Fer2010a |
Serial |
1333 |
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Author |
C. Sbert; A.F. Sole |
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Title |
Stereo reconstruction of 3D curves. |
Type |
Conference Article |
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Year |
2000 |
Publication |
15 th International Conference on Pattern Recognition |
Abbreviated Journal |
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Volume |
1 |
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Pages |
912–915 |
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Barcelona. |
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Conference |
ICPR |
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Approved |
no |
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Call Number |
Admin @ si @ SbS2000 |
Serial |
219 |
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Author |
C. Santa-Marta; Jaume Garcia; A. Bajo; J.J. Vaquero; M. Ledesma-Carbayo; Debora Gil |
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Title |
Influence of the Temporal Resolution on the Quantification of Displacement Fields in Cardiac Magnetic Resonance Tagged Images |
Type |
Conference Article |
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Year |
2008 |
Publication |
XXVI Congreso Anual de la Sociedad Española de Ingenieria Biomedica |
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Pages |
352–353 |
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Abstract |
It is difficult to acquire tagged cardiac MR images with a high temporal and spatial resolution using clinical MR scanners. However, if such images are used for quantifying scores based on motion, it is essential a resolution as high as possibl e. This paper explores the influence of the temporal resolution of a tagged series on the quantification of myocardial dynamic parameters. To such purpose we have designed a SPAMM (Spatial Modulation of Magnetization) sequence allowing acquisition of sequences at simple and double temporal resolution. Sequences are processed to compute myocardial motion by an automatic technique based on the tracking of the harmonic phase of tagged images (the Harmonic Phase Flow, HPF). The results have been compared to manual tracking of myocardial tags. The error in displacement fields for double resolution sequences reduces 17%. |
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Valladolid |
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Editor |
Roberto hornero, Saniel Abasolo |
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CASEIB |
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Notes |
IAM; |
Approved |
no |
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Call Number |
IAM @ iam @ SGB2008 |
Serial |
1033 |
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Author |
C. Padres |
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Title |
Aplicaciones al modelo de formas activas para un entorno aumentado |
Type |
Report |
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Year |
2000 |
Publication |
CVC Technical Report #46 |
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CVC (UAB) |
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Admin @ si @ Pad2000 |
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347 |
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Author |
C. Molina; J.B. Subirana |
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Title |
Reduction of complexity for object recognition algorithms |
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1995 |
Publication |
CVC Technical Report #03 |
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Admin @ si @ MoS1995a |
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225 |
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Author |
C. Molina; J.B. Subirana |
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Title |
Polynomial-Time Algorithm for 2D object recognition. |
Type |
Miscellaneous |
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Year |
1995 |
Publication |
VI National Simposium on Pattern Recognition and image Analysis |
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Cordoba |
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Admin @ si @ MoS1995b |
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231 |
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Author |
C. Molina; G.P. Prause; Petia Radeva; M. Sonka |
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Title |
Catheter Path Reconstruction from Biplane Angiography using 3D Snakes. |
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Miscellaneous |
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1998 |
Publication |
SPIE – Medical imaging. |
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San Diego; CA; USA |
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MILAB |
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no |
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BCNPCL @ bcnpcl @ MPR1998 |
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22 |
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Author |
C. Mariño; V.M. Gulias; M.G. Penas; M. Penedo; Victor Leboran; A. Mosquera; M.J. Carreira; David Lloret |
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Title |
Sistema de Interpretacion Automatica de Secuencias solo Basado en un Servidor vod. |
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Miscellaneous |
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2001 |
Publication |
Proceedings of the SIT2001. |
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Admin @ si @ MGP2001 |
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196 |
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Author |
C. Mariño; M.G. Penas; M. Penedo; David Lloret; M.J. Carreira |
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Title |
Integration of Mutual Information and Creaseness Based Methods for the Automatic Registration of SLO Sequences. |
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Miscellaneous |
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2001 |
Publication |
Proceedings of the SIARP´2001. |
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Brasil. |
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Admin @ si @ MPP2001 |
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197 |
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Author |
C. Gratin; Jordi Vitria; F. Moreso; D. Seron |
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Title |
Texture Classification using Neural Networks and Local Granulometries |
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1994 |
Publication |
EURASIP Workshop, Mathematical Morphology and Its Applications to image Processing, J.Serra and P.Soille, editors |
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309-316 |
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Neural Networks; Granulometry; Kidney; Texture; Classication |
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Fointanebleau, France |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ GVM1994 |
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110 |
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Author |
C. Cortes |
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Title |
Definicio d´un sensor de visio artificial per a l´ajust automatic de tintes en la impressio de pape |
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Year |
2001 |
Publication |
CVC Technical Report #53 |
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Admin @ si @ Cor2001 |
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184 |
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