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ficici




Joined: 16 May 2005
Posts: 2303

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Name: Osman Rahmi Fıçıcı
PostPosted: Mon Aug 08, 2005 12:32 pm  Post subject:  M2VTS Database Reply with quoteBottom of PageBack to top

Title: M2VTS Database
URL: http://www.tele.ucl.ac.be/PROJECTS/M2VTS/m2fdb.html


http://www.tele.ucl.ac.be/PROJECTS/M2VTS/
M2VTS Project: MULTI-MODAL BIOMETRIC PERSON AUTHENTICATION

Objectives of the Project
The objectives of the M2VTS project is to address the issue of secured access to local and centralised services in a multimedia environment. The major problem in user authentification is to achieve on the one hand toll performance : false acceptance rate as low as possible (minimise access to impostors), and false rejection rate as low as possible (a registered user should access to his system in any case), and on the other hand stand the wide range of conditions of use of such systems as well as provide ergonomically viable solutions. The use of multiple modalities will help to overpass potential technical limitations of individual modalities as well as take benefit of the emerging multimedia environment : workstations, network computers, smart phones are more and more equiped with audio and video capabilities. The research is driven by the application needs and user requirements. Therefore, work has essentially been driven by three main goals :
Develop platforms for evaluation, implementation and fast prototyping of technology. Submit these platforms to user tests in real situations, in order to measure the adequation between user requirements and current maturity of the technology.
Develop algorithmic solutions for user authentification in a multimodal context. Implement these solutions on the software platforms for fast prototyping. Refinements of the algorithms based on the results of the user tests in real situations
Develop prototypical applications for end users.

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The M2VTS Database
Among the different European ACTS projects, the M2VTS project (Multi Modal Verification for Teleservices and Security applications) deals with access control by the use of multimodal identification of human faces. The goal of using a multimodal recognition scheme is to improve the recognition efficiency by combining single modalities, namely face and voice features. This requires the development of fusion methods, i.e. the merge of individual results given by separate analysis of different modalities (e.g. voice texture and face features) or, more efficiently, the direct analysis of a combination of different modalities (e.g. study of speech/lip synchronization). Due to the relative novelty of multi-modal identification, our own test material had to be recorded since no existing database could meet our requirements of offering all modalities needed by the multiple recognition tasks. These requirements are the presence of synchronized speech and image and the opportunity to extract 3-D face features from the database.
The constitution this multimodal database required many efforts and a lot of time to be grabbed and edited. As the material being recorded couldn't be found in any other public database, it was decided to distribute the M2VTS database to any non-commercial user that could take benefit from such a product. This distribution has been taken in charge by the European Language Resource Agency (ELRA).




You may find the database in our local network server in
\\vpa2\Databases\M2VTS




The source site is below:
[web:4986de8c77]http://www.tele.ucl.ac.be/PROJECTS/M2VTS/m2fdb.html[/web:4986de8c77]


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