[AG-TECH] Strange question
Rick Stevens
stevens at mcs.anl.gov
Wed Dec 5 17:42:22 CST 2001
Jay, do you have a pointer to the 1024x768 firewire camera ? and do you
know the frame rate of
the camera ?
At 03:23 PM 12/5/2001 -0800, Jay Beavers wrote:
>We've experimented with using 640x480 1394 cameras on a whiteboard and
>we got satisfactory results using M-JPEG compression at medium quality,
>though we're limited to a small (~4'x4') writing area. We're trying to
>do the same with a newer 1024x768 1394 camera, but we're still waiting
>on acceptable drivers to be provided. I don't have an ETA on the newer
>drivers and they've been 'any month now' for about six months.
>
>We've also looked at Mimio and SmartBoard which are commercially
>available products that capture whiteboard strokes via pressure or audio
>location of the pen, and while they're better than nothing, they weren't
>good enough in my opinion.
>
>And we're sponsoring a research project at a major university to use
>Tablet PCs with custom software and projectors to function as a hand
>held wireless device.
>
>
>I figure one of these things will pan out ;-) We're going to try one of
>them this spring semester in a distributed classroom trial at another
>major university, we might try more than one depending on what's ready
>by then.
>
> - jcb
>
>-----Original Message-----
>From: Tom Coffin [mailto:tcoffin at ncsa.uiuc.edu]
>Sent: Wednesday, December 05, 2001 12:28 PM
>To: Supreeya Miller; ACCESS community
>Subject: RE: [AG-TECH] Strange question
>
>
>Supreeya,
>
>I recommend not to use a camera to point at the white board.
>The resolution will never be satisfactory and the professors
>will go insane. Ofcouse if the class happens to be a psychology
>class then it may be desirable...
>
>good luck
>
>_________________________________________________
>At 02:25 PM 12/5/2001 -0600, Supreeya Miller wrote:
> >
> >Thank you, Tom.
> >
> >USM wants to use 1 camera to point to the professor, another camera
>to
>point
> >on the white board that he writes on, another camera for pictures or
>slides
> >that he may have, and another camera to point to the students at
>USM. So
> >there will be no desktop sharing on the computer at USM.
> >
> >Supreeya Miller
> >System Administrator/Visualization Researcher/Access Grid
>Coordinator
> >High Performance Visualization Center
> >Center of Higher Learning
> >Building 1103
> >Stennis Space Center, MS 39539
> >Phone: 228-688-2190
> >Fax: 228-688-7454
> >E-mail:Supreeya.Miller at usm.edu
> >
> >-----Original Message-----
> >From: Tom Coffin [mailto:tcoffin at ncsa.uiuc.edu]
> >Sent: Wednesday, December 05, 2001 2:10 PM
> >To: Supreeya Miller; ACCESS community
> >Subject: Re: [AG-TECH] Strange question
> >
> >
> >hi Supreeya
> >You can use VNC to shared a 1024x768 desktop
> >which can include a white board...
> >http://www.uk.research.att.com/vnc/
> >
> >
> >At 02:05 PM 12/5/2001 -0600, Supreeya Miller wrote:
> > >All,
> > >
> > >We have a lot of people come to our center and some of them are
> >professors.
> > >I'm also in the process of building the second Access Grid Node
>for
>USM
> > >(university of Southern Mississippi). When the node is done,
>there
> >will be
> > >a lot of class activities between CHL (at Stennis) and USM. The
> >professors
> > >that came and visited our center have some concerns that the
>resolution
> >of
> > >the images on the Access Grid is not high enough for them, and
>there are
> > >some jaggy problems due to many hops and points in the network
>that we
> >have
> > >to go through (details are below). When I did the full size
>image,
>they
> > >were not satisfied even more (they could see pixels change
>clearly).
> >One of
> > >the professors has asked me a question, which I don't know how
>to
> >answer.
> > >He wants to do a distance learning by point-to-point (between
>CHL and
> >USM)
> > >using the Access Grid equipment. He wants (to start with) 2
>windows,
> >each
> > >with 1024x768 resolution. So that they can write on the white
>board,
> >and
> > >the distance students (at CHL) can see everything perfectly
>clear
>(they
> > >refuse to use Power Point Presentation files).
> > >
> > >Our network details
> > > CHL -> uses DS3 to -> JACKSON -> uses OC3 to -> USM ->
>uses OC3 to ->
> > >JACKSON -> uses OC3 to -> Internet2
> > > CHL -> JACKSON -> USM -> Internet
> > > Our router is at USM that is why we have to go to USM
>first for both
> > >Internet2 and commodity Internet.
> > >
> > >I've looked at the Microsoft NetMeeting. But that is one
>computer
>that
> >does
> > >video and audio. We have 4 computers, and 2 computers are
>running
> >Linux as
> > >we know.
> > >I've also looked at VRVS. But that does not even need Internet
>2 (if
> >I'm
> > >wrong, please correct me). He wants to fully utilize the
>bandwidth of
> > >Internet 2, in this case we mean DS3 bandwidth (50 Mb)
> > >
> > >How possible can this "point-to-point distance learning using
>Access
> >Grid
> > >equipment" be done and how can I go about doing it?
> > >
> > >I thank you in advance for any help.
> > >
> > >Supreeya Miller
> > >System Administrator/Visualization Researcher/Access Grid
>Coordinator
> > >High Performance Visualization Center
> > >Center of Higher Learning
> > >Building 1103
> > >Stennis Space Center, MS 39539
> > >Phone: 228-688-2190
> > >Fax: 228-688-7454
> > >E-mail:Supreeya.Miller at usm.edu
> > >
> > >
> >
> >
> >___________________________________________________________
> >Tom Coffin .......................... tcoffin at ncsa.uiuc.edu
> >
> >
>
>
>___________________________________________________________
>Tom Coffin .......................... tcoffin at ncsa.uiuc.edu
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