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Publications associées (26)

Modeling and Understanding Flickr Communities through Topic-based Analysis

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 and have started organizing themselves in ...

2010

Design of high data rate, passive, far-field RFID tags in CMOS technology

Nicolas Pillin

Radio frequency identification (RFID) is an exciting, rapidly growing, multi-disciplinary field with emerging technologies and applications. Today RFID is a generic term for technologies that use radio frequencies to automatically identify people or object ...

EPFL2010

Implicit emotional tagging of multimedia using EEG signals and brain computer interface

Touradj Ebrahimi, Jong Seok Lee, Ashkan Yazdani

In multimedia content sharing social networks, tags assigned to content play an important role in search and retrieval. In other words, by annotating multimedia content, users can associate a word or a phrase (tag) with that resource such that it can be se ...

ACM2009

Tagging and Retrieving Images with Co-Occurrence Models: from Corel to Flickr

Daniel Gatica-Perez, Nikhil Garg

This paper presents two models for content-based automatic image annotation and retrieval in web image repositories, based on the co-occurrence of tags and visual features in the images. In particular, we show how additional measures can be taken to addres ...

Idiap2009

Co-occurrence Models for Image Annotation and Retrieval

Nikhil Garg

We present two models for content-based automatic image annotation and retrieval in web image repositories, based on the co-occurrence of tags and visual features in the images. In particular, we show how additional measures can be taken to address the noi ...

Idiap2009

Selective cross-linking of interacting proteins using self-labeling tags

Kai Johnsson, Grazvydas Lukinavicius, Kui Thong Tan

We have designed molecules that permit the selective cross-linking (S-CROSS) of interacting proteins in cell lysates and the sensitive detection of the trapped complexes through in-gel fluorescence scanning. S-CROSS requires the expression of the putative ...

American Chemical Society2009

Pathchecker: An RFID application for tracing products in Supply-chains

Serge Vaudenay, Khaled Ouafi

In this paper, we present an application of RFIDs for supply-chain management. In our application, we consider two types of readers. On one part, we have readers that will mark tags at given points. After that, these tags can be checked by another type of ...

2009

Topickr: Flickr Groups and Users Reloaded

Daniel Gatica-Perez, Radu Andrei Negoescu

ACM2008

Topickr: Flickr Groups and Users Reloaded

Daniel Gatica-Perez, Radu Andrei Negoescu

IDIAP2008

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

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