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[oats-sig] open gazer problems

Simon Judge simon.judge at nhs.net
Tue Nov 13 13:08:42 GMT 2007

Article: [oats-sig] open gazer problems

You could always whack it on Assistech:

http://www.assistech.org.uk/ 

Or else we could maybe set up a trac, but that seems overkill... 


Cheers.
 
Simon

-----Original Message-----
From: oats-sig-bounces at lists.becta.org.uk
[mailto:oats-sig-bounces at lists.becta.org.uk] On Behalf Of stephen emslie
Sent: Tuesday, November 13, 2007 9:19 AM
To: OATs Project Special Interest Group
Subject: Re: [oats-sig] open gazer problems

Perhaps it would be useful to build up some information on a wiki somewhere?

Stephen Emslie

On Nov 12, 2007 9:39 AM, Simon Judge <simon.judge at nhs.net> wrote:
> Great, good to have some real feedback on this. Would make a nice 
> short article on the OATS site or elsewhere....
>
>
> Cheers.
>
> Simon
>
> -----Original Message-----
> From: oats-sig-bounces at lists.becta.org.uk
>
> [mailto:oats-sig-bounces at lists.becta.org.uk] On Behalf Of stephen 
> emslie
> Sent: Sunday, November 11, 2007 10:17 PM
> To: OATs Project Special Interest Group
> Subject: Re: [oats-sig] open gazer problems
>
> Hi Simon. I rather optimistically took a stab at porting/rewriting 
> their visible-spectrum algorithm in python+numpy a while back, as I 
> dont have a matlab license (and it seems a bit strange that an open 
> source project requires an expensive license to run). I really like 
> their ideas, but its a shame about it being matlab only. I got 
> distracted when I discovered opengazer, but perhaps it would be worth 
> picking it up again, though it would possibly be just for the sake of
learning more.
>
> Compiling it with Octave was another idea, but when I tried it didn't 
> quite support enough of matlab's functionality. Perhaps thats changed now.
>
> Stephen Emslie
>
> On Nov 9, 2007 6:00 PM, Simon Judge <simon.judge at nhs.net> wrote:
> > Someone just reminded me of this too, if anyone wants to get their 
> > hands really dirty!!!
> >
> > http://thirtysixthspan.com/openEyes
> >
> >
> >
> >
> > Cheers.
> >
> > Simon
> >
> >
> > -----Original Message-----
> > From: oats-sig-bounces at lists.becta.org.uk
> > [mailto:oats-sig-bounces at lists.becta.org.uk] On Behalf Of Steve Lee
> > Sent: Thursday, November 08, 2007 10:47 AM
> > To: OATs Project Special Interest Group
> > Subject: Re: [oats-sig] open gazer problems
> >
> > Perhaps this demo of MyTobii and the SmartBox's Grid2 will inspire you.
> >
> > http://uk.youtube.com/user/mobiletobii
> >
> > One thing that really struck me is how far we have to go with 
> > optimising this mode of input. It takes conciderable time to createa 
> > very
> short phrase.
> >
> > http://www.smartboxat.com/mytobii.html
> >
> > Steve
> >
> > On 07/11/2007, stephen emslie <stephenemslie at gmail.com> wrote:
> > > Great that you got it working! It took me quite a while to get the 
> > > feel of compiling against vxl too.
> > >
> > > I would love to hear any feedback on what sort of accuracy you are 
> > > able to achieve and what webcam you are using.
> > >
> > > Stephen Emslie
> > >
> > > On Nov 7, 2007 3:11 PM, Chris Feser <chrimp at gmx.de> wrote:
> > > >
> > > > Thx Steve!
> > > > Now I understand the connection from vxl to opengazer.
> > > > I fixed it quick and dirty and copied the missing files to the 
> > > > expected directory. I have no idea what I did wrong the whole 
> > > > time, but
> > now it works.
> > > >
> > > > thank you all very much for your help!
> > > >
> > > > I wrote the developer of opengazer an email if there is a 
> > > > support forum or a mailing list, but I have no answer yet.
> > > > Does anybody of you have an idea or is this forum the best place 
> > > > for opengazer problems?
> > > >
> > > > I'll play around with opengazer and try to extend it or even 
> > > > will try, to port it to Windows.
> > > >
> > > > cheers and have a nice day!
> > > >
> > > > chris
> > > >
> > > >
> > > >
> > > >
> > > > Steve Lee-3 wrote:
> > > > >
> > > >
> > > > > Hi Chris, yes, and to give a little more detail to my previous
> > reply....
> > > > >
> > > > > taking theLeastSquares.h:2:28  error as an example Look in the 
> > > > > file LeastSquares.h line 28 it will have a line something like 
> > > > > #include <vnl.vnl_vector.h> or #include "vnl.vnl_vector.h"
> > > > >
> > > > > I'm guess  from the error it has <vnl/vnl_vector.h>.
> > > > >
> > > > > The critical thing is if it is prefixed 'vnl/'. if so then the 
> > > > > compiler will search for a file 'vnl/vnl_vector.h' under each 
> > > > > of the paths specified in you makefile with INCLUDES. In other 
> > > > > words vnl_vector.h is sought in a folder vnl under each given
path.
> > > > > (if the #include "file" form is used life is a little more 
> > > > > complex but we can probably ignore that)
> > > > >
> > > > > If your vnl_vector.h is not in such a folder then you can 
> > > > > either copy all of them for a quick fix or change the makefile 
> > > > > to change where the compiler is told to look.
> > > > >
> > > > > I'm afraid I'm tied up at the mo and can't check the real 
> > > > > files but perhaps stephen can shed a little more light on the
matter?
> > > > > * stephen where are your vnl headers?
> > > > > I have Gutsy so will try, but it probably won't be till next week.
> > > > >
> > > > > Steve
> > > > >
> > > > > On 06/11/2007, Chris Feser <chrimp at gmx.de> wrote:
> > > > >>
> > > > >> Thx.
> > > > >> I think I have a problem wih the header files.
> > > > >> Should they be there, where I compiled VXL into?
> > > > >> BUILD_SHARED_LIBS are ON and I changes the 
> > > > >> CMAKE_INSTALL_PREFIX to /usr/bin because I compiled VLX now 
> > > > >> into
> this directory.
> > > > >>
> > > > >> Could yo please tell me, where are the header files should be?
> > > > >>
> > > > >> I use ubuntu 7.10 Gutsy
> > > > >>
> > > > >> cheers
> > > > >> chris
> > > > >>
> > > > >>
> > > > >> Stephen Emslie wrote:
> > > > >> >
> > > > >> > Now that I'm home perhaps I can compare my own Makefile.
> > > > >> >
> > > > >> >> but my compiled vxl is there:
> > > > >> >>  /home/chris/Desktop/software/bin
> > > > >> > ...
> > > > >> >> My Makefile looks like this:
> > > > >> >> # required libraries: vxl, opencv, boost, gtkmm
> > > > >> >>
> > > > >> >> VXLDIR = /home/chris/Desktop/software/bin
> > > > >> >
> > > > >> > It could be that the header files built when installing vxl 
> > > > >> > are not in /home/chris/Desktop/software/bin? When you 
> > > > >> > configured vxl with cmake, what was "CMAKE_INSTALL_PREFIX"
> > > > >> > set to (mine is /usr - same as VXLDIR)? Obviously 
> > > > >> > "BUILD_SHARED_LIBS" needs to be on for this to work.
> > > > >> >
> > > > >> > The only thing I really had to change in the Makefile was 
> > > > >> > to set the VXLDIR to the same as the install prefix.
> > > > >> >
> > > > >> > Best of luck
> > > > >> >
> > > > >> > Stephen Emslie
> > > > >> >
> > > > >> >
> > > > >> >
> > > > >>
> > > > >> --
> > > > >> View this message in context:
> > > > >> http://www.nabble.com/Re%3A-open-gazer-tf4558293.html#a136152
> > > > >> 92 Sent from the OATS Project Interest Group mailing list 
> > > > >> archive at Nabble.com.
> > > > >>
> > > > >>
> > > > >>
> > > > >
> > > > >
> > > > > --
> > > > > Steve Lee
> > > > > --
> > > > > Jambu - Alternative Access to Computers www.fullmeasure.co.uk
> > > > >
> > > > >
> > > > >
> > > >
> > > > --
> > > > View this message in context:
> > http://www.nabble.com/Re%3A-open-gazer-tf4558293.html#a13628973
> > > >
> > > > Sent from the OATS Project Interest Group mailing list archive 
> > > > at
> > Nabble.com.
> > > >
> > > >
> > > >
> > >
> > >
> >
> >
> > --
> > Steve Lee
> > --
> > Jambu - Alternative Access to Computers www.fullmeasure.co.uk
> >
> >
> >
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