>
Date: Tue, 15 Nov 2005 19:35:24 -0800
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Hi Swiss-listers,
Just a reminder for the talk on Thursday.
Let me know if you can make it!
Thanks,
Eric
>-----Original Message-----
>From: Eric Debes [mailto:Eric_at_debes.net]
>Sent: Tuesday, November 08, 2005 11:15 PM
>To: 'sfbay_at_swiss-list.com'
>Subject: Swiss-list Talk on _Thursday_ November 17
>
>Hi,
>
>next _Thursday_ November 17, we will continue our series of
>talks with a presentation by:
>Nicolas Gehrig, Communications and Signal Processing Group,
>Electrical and Electronic Engineering Department, Imperial
>College London, currently visiting scholar at U.C. Berkeley.
>He will give us an overview of his current research on:
>"Distributed compression of multi-view images for camera
>sensor networks"
>
>Abstract:
>We address the problem of distributed compression of
>multi-view images in camera sensor networks. We assume that
>numbers of cheap low-power wireless sensors are deployed in
>order to visually acquire a scene of interest from different
>viewing positions, and transmit their data to some central
>receiver. Due to the spatial proximity of the different
>cameras, the acquired images can be highly dependent. In order
>to reduce the total amount of data transmission, image
>compression should be applied locally at the sensors.
>The main challenge in this compression problem is that the
>different sensors have to exploit the correlation in the
>visual information without being allowed to communicate
>between themselves. The correlation in the visual information
>retrieved is related to the structure of the plenoptic
>function, and can be estimated using geometrical information
>such as the position of the cameras and some bounds on the
>location of the objects. We propose a distributed compression
>scheme that takes advantage of this geometrical information in
>order to reduce the overall transmission rate from the sensors
>to a common central receiver.
>
>Bio:
>Nicolas is currently working as a visiting scholar in the
>BASiCS research group with Prof. Kannan Ramchandran, EECS
>Department, UC Berkeley. Since October 2003, he has been
>working as a research assistant and PhD student in the Signal
>Processing and Communications group, EEE Department, Imperial
>College London, U.K., under the supervision of Dr. Pier Luigi
>Dragotti. In March 2003, he graduated from EPFL, Lausanne,
>Switzerland, where he obtained a master degree in
>Communication Systems. From September 2002 to May 2003, he
>worked at Dartfish S.A., Fribourg, Switzerland. During that
>time, he carried out his master thesis on "Video-based golf
>swing tracking". Between April and October 2001, he interned
>as a software engineer at IBM T.J. Watson Research Center,
>Hawthorne, NY, where he worked on the development of a PCI
>adapter to handle MPEG-2 transport streams.
>
>Like last time, the talk will take place at Jacques' company:
>
>Catalytica Energy Systems, Inc.
>Building 4
>430 Ferguson Drive
>Mountain View, CA-94043
>See http://www.catalyticaenergy.com/contact_us/mountain_view.html
>
>but please come to Building 4 (and not 3 as mentioned on the website)
>
>We will start at 7pm with some networking time, followed by
>Nicolas presentation.
>After the presentation we will meet at the Tied House
>http://www.tiedhouse.com/ for some food and drinks.
>Please RSVP before Monday night so we can make sure there are
>enough chairs in the conference room.
>
>I hope we'll see many of you at this event!
>
>Eric
>
>
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Received on Wed Nov 16 2005 - 09:43:01 PST
