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Topickr: Flickr Groups and Users Reloaded

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Flickr Hypergroups

Daniel Gatica-Perez, Radu Andrei Negoescu

The amount of multimedia content available online constantly increases, and this leads to problems for users who search for content or similar communities. Users in Flickr often self-organize in user communities through Flickr Groups. These groups are part ...

2009

Flickr Hypergroups

Daniel Gatica-Perez, Radu Andrei Negoescu

Idiap2009

Topickr: Flickr Groups and Users Reloaded

Daniel Gatica-Perez, Radu Andrei Negoescu

With the increased presence of digital imaging devices there also came an explosion in the amount of multimedia content available online. Users have transformed from passive consumers of media into content creators. Flickr.com is such an example of an onli ...

ACM2008

Towards Audio-Visual On-line Diarization Of Participants In Group Meetings

We propose a fully automated, unsupervised, and non-int-rusive method of identifying the current speaker audio-vis-ually in a group conversation. This is achieved without specialized hardware, user interaction, or prior assignment of microphones to parti ...

2008

Design and Implementation of a wearable, context-aware MR framework for the Chloe@University application

Daniel Thalmann, Xavier Righetti, Achille Peternier, Mathieu Hopmann

In this paper, we present the technical details and the challenges we faced during the development and evaluation phases of our wearable indoor guiding system which consists of a virtual personal assistant guiding the user to his/her desired destination. T ...

IEEE2008

Analyzing Flickr Groups

Daniel Gatica-Perez, Radu Andrei Negoescu

There is an explosion of community-generated multimedia content available online. In particular, Flickr constitutes a 200-million photo sharing system where users participate following a variety of social motivations and themes. Flickr groups are increasin ...

ACM2008

Analyzing Flickr Groups

Daniel Gatica-Perez, Radu Andrei Negoescu

IDIAP2008

Automatic Analysis of microRNA Microarray Images Using Mathematical Morphology

Michel Kocher

The micro array are an experimental technique for parallel determination of molecular concentration. The image analysis is an important, time consuming and error prone step of the process. We describe here an automatic procedure able to analyze the micro a ...

IEEE2007

M/ORIS - Medical / Operating Room Interaction System

Sébastien Grange

The routine use of Computer-Assisted Surgery (CAS) in a wide range of surgical procedures and specialties is being hindered by the lack of suitable user interface for surgical environments. While many computer techniques and software exist to assist surgeo ...

EPFL2007

Truthful reputation mechanisms for online systems

Radu Jurca

The internet is moving rapidly towards an interactive milieu where online communities and economies gain importance over their traditional counterparts. While this shift creates opportunities and benefits that have already improved our day-to-day life, it ...

EPFL2007