Concept

Web conferencing

Related publications (28)

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Low-cost monitoring cameras/webcams provide unique visual information. To take advantage of the vast image dataset captured by a typical webcam, we consider the problem of retrieving weather information from a database of still images. The task is to autom ...

2012

Estimating Cohesion in Small Groups using Audio-Visual Nonverbal Behavior

Daniel Gatica-Perez

Cohesiveness in teams is an essential part of ensuring the smooth running of task-oriented groups. Research in social psychology and management has shown that good cohesion in groups can be correlated with team effectiveness or productivity so automaticall ...

Idiap2010

2010

With the increase in cheap commercially available sensors, recording meetings is becoming an increasingly practical option. With this trend comes the need to summarize the recorded data in semantically meaningful ways. Here, we investigate the task of auto ...

2010

Method and Device for Removing Echo in an Audio Signal

Christof Faller

Acoustic echo control and noise suppression is an important part of any "handsfree" telecommunication system, such as telephony or audio or video conferencing systems. Bandwidth and computational complexity constraints have prevented that stereo or multi-c ...

2010

Speech/Non-Speech Detection in Meetings from Automatically Extracted Low Resolution Visual Features

Silèye Oumar Ba

In this paper we address the problem of estimating who is speaking from automatically extracted low resolution visual cues from group meetings. Traditionally, the task of speech/non-speech detection or speaker diarization tries to find who speaks and when ...

Idiap2009

Multimodal Data Flow Controller

Danil Korchagin

In this paper, we describe a multimodal data flow controller capable of reading most multichannel sound cards and web cameras, synchronising media streams, being a server to stream captured media over TCP in raw format, being a client to receive media stre ...

Idiap2009

In the following study is presented two research works: the first is concerned with the elaboration of an intelligent meeting room while the second is about the development of a real time high definition video server capable of advanced accessibility optio ...

EPFL2008

Method And Device For Removing Echo In A Multi-Channel Audio Signal

Christof Faller

2008

Ultrasound imaging allows the evaluation of the degree of emergency of a patient. However, in many situations no experienced sonographer is available to perform such echography. To cope with this issue, the OTELO project “mObile Tele-Echography using an ul ...

Elsevier2006