Este seminario está cofinanciado por el Proyecto PRO-MULTIDIS-CM (Programa S - 0505 / TIC / 0233, IV PRICIT, CM) y por el Programa Oficial de Posgrado en Ingeniería Informática y de Telecomunicación del Departamento de Ingeniería Informática de la Universidad Autónoma de Madrid.
This course presents a survey of the multimedia retrieval techniques and systems. Two different modes of retrieval are discussed: querying and browsing. As retrieval is usually based on a specific data model, the course also provides an overview of the well known data models and the multimedia description languages. The course will discuss the multimedia retrieval problem from two point of views, firstly the multimedia data characteristics and secondly the user retrieval requirements. Different levels of multimedia characteristics, i.e. low level and high level as well as multimedia structural aspects are studied. A well known issue in multimedia retrieval called the "semantic gap" as well as existing approaches to overcome this problem will be presented. Moreover, the user aspects of multimedia retrieval and their influence on the design of a multimedia query languages and browsing systems will be studied. Finally a few examples of multimedia querying and browsing applications will be presented.
Nastaran Fatemi is currently Professor in the Electricity and Informatics Department of HEIG-VD the University of Applied Sciences of Western Switzerland at Yverdon-les-Bains (http://www.heig-vd.ch/). She holds a PhD in Computer Science from EPFL (2003), and a Master in Computer Science from Joseph Fourier University of Grenoble-France (1998). From 1999 to 2003 she was research assistant in the MEDIA group of the Theoretical Computer Science Laboratory (LITH) of EPFL. She was conducting the COALA project: Content-Oriented Audiovisual Library Access, which provides a generic platform for indexing and retrieval of TV news programs using MPEG-7. Since 2003 she has been working on various applied research projects in HEIG-VD, such as Media Tools (web portal for sharing and retrieving of multimedia documents), Lausanne City Archives (platform for semi-automatic indexing and retrieval of archives of city of Lausanne), Virtual Media Studio (Configurable and flexible platform for assembling multimedia applications), Video Annotation Mining (Exploring correlations between various types of audiovisual descriptions in a video corpus). She has been an active member of the MPEG-7 standardization committee and of the second MPEG-7 awareness event (2001). During the last 5 years she has been teaching various courses in computer science: database and information systems, multimedia information retrieval, compiler construction, XML technologies, advanced database techniques, Web technologies, and scientific writing and presenting techniques.