News Archive
29.01.2008
- Between 1.02.2008-31.07.2008 I
will be a post-doc visitor at the IDIAP Research Institute in Martigny,
Switzerland.
24.01.2008
- Co-chair (together with prof. Jordi Vitrià and prof. Ales
Leonardis) of the Special Session: Online Pattern Recognition and
Machine Learning Techniques for Computer-Vision Applications (in
conjunction with the VISAPP
conference, 22-25 January 2008, Funchal, Island of Madeira, Portugal)
22.05.2007
- Invited talk “Incremental Subspace Learning for Cognitive
Visual Processes” at the Institute for Artificial Intelligence
(IIIA-CSIC), Barcelona, Spain
Abstract: In real life, visual learning is supposed to be a
continuous process. Humans have an innate facility to recognize objects
even under less-than-ideal conditions and to build robust
representations of them. These representations can be altered with the
arrival of new information and thus the model of the world is
continuously updated. Inspired by the biological paradigm, we propose
in this paper an incremental subspace representation for cognitive
vision processes. The proposed approach has been applied to the problem
of face recognition. The experiments performed on a custom database
show that at the end of incremental learning process the recognition
performance achieved converges towards the result obtained using an
off-line learning strategy
8-11.03.2007
- Chairman of a Special Session on “Human Presence Detection for
Context-aware Systems” as part of the VISAPP conference. CVC was
co-organizer of 2007 VISAPP edition.
10-26.01.2007
- Visit to CICATA – IPN (Research Center for Applied
Science and Advanced Technology – National Polytechnic Institute),
Queretaro Unit, Mexico.
11.10.2006
- Opening ceremony of the ‘Apropa’t a la Ciència’ (‘Closer
to Science’) Exhibition which takes place at Palau Robert (Barcelona,
Spain) and whose aim is to bring people closer to different areas of
science. Our group is one of the exhibitors with an application
(‘AIBOFace’) for AIBO robots focused on interaction with persons (face
detection). This is a real challenge because it is supposed that our
system run uninterrupted for 7 months (the exhibition closes on July
31st, 2007). If you are interested in our work, take a few moments and
visit our stand. You can download a media coverage of our
application - broadcasted on TVE2 (January 2nd, 2007) as part of the
‘Redes’ (Networks) scientific magazine.
6.04.2006
- Invited talk “Face Detection and Tracking: First Steps Towards
Human-Centered Technology” at a seminar organized by PREMIA (Pattern
Recognition and Machine Intelligence Association from Singapore). The
event was hosted at the NTU (Nanyang Technological University),
Singapore.
Abstract:
The use of context can be a very relevant cue for computer vision-based
systems, in order to eliminate a lot of ambiguity and uncertainty,
otherwise inherent in the human-computer interaction. Despite of the
fact that its obvious importance s widely acknowledged, the great
majority of the systems nowadays still lack of this capability. In this
paper, we propose faces as a primary contextual information for person
detection and present face tracking as a basic procedure for
context-driven focus of attention applications. Our proposal was
implemented in a combined system, by integrating a motion-based
approach ("Particle Filter") and a model-based approach ("Ada-Boost").