Search found 17 matches

by fleur
Wed Jan 27, 2010 8:02 pm
Forum: Discussion about OpenViBE
Topic: Coonecting electrodes on the head
Replies: 3
Views: 5297

Re: Coonecting electrodes on the head

Thank you for your help
by fleur
Wed Jan 27, 2010 1:27 pm
Forum: Discussion about OpenViBE
Topic: Coonecting electrodes on the head
Replies: 3
Views: 5297

Coonecting electrodes on the head

Hello, I read documentation on where to put electrodes on the head if we want to have electrical signals (catch by the ModularEEG). If we put one electrode on the Cz area, one on the forehead (ground electrode) and one on the nose (reference electrode), we can detect foot mouvement. But where exactl...
by fleur
Tue Jan 26, 2010 12:55 pm
Forum: Discussion about OpenViBE
Topic: VRPN button source code
Replies: 1
Views: 2444

VRPN button source code

Hello,

in the file "ovaCAbstractVrpnPeripheric.cpp", we don't understand how the vrpn button works.
Can you please tell us where we can have details on the methods, variables used?
Thank you
by fleur
Mon Jan 25, 2010 11:24 am
Forum: Discussion about OpenViBE
Topic: Reorganization of the SVN reposirtory
Replies: 3
Views: 3858

Re: Reorganization of the SVN reposirtory

Hello,

in the file "ovaCAbstractVrpnPeripheric.cpp", we don't understand how the vrpn button works.
Can you please tell us where we can have details on the methods, variables used?
Thank you
by fleur
Mon Jan 25, 2010 8:34 am
Forum: Scenarios and BCI design
Topic: Motor imagery : hands and feet
Replies: 7
Views: 8076

Motor imagery : hands and feet

Hello, 1.I would like to know where should we put exactly the electrodes in order to have signals? For example, if someone think about movement of hand (right and left hands), where should we put the electrodes on the head? 2.Moreover, could we have a scenario on openvibe with the movement of feet? ...
by fleur
Thu Jan 21, 2010 6:25 pm
Forum: Acquisition server and drivers
Topic: Problems with ModularEEG Data aquisition
Replies: 20
Views: 20254

Re: Problems with ModularEEG Data aquisition

Hello, We have the following problem in the source code: On the console, the problem are identified: printf("switch 0: No Packet finished\n"); printf(" l_i32ReceivedSamples!=m_ui32SampleCountPerSentBlock => Timeout"); The source code is (We have put printf in the loop ): boolean CDriverOpenEEGModula...
by fleur
Thu Jan 21, 2010 9:40 am
Forum: Acquisition server and drivers
Topic: Problems with ModularEEG Data aquisition
Replies: 20
Views: 20254

Re: Problems with ModularEEG Data aquisition

Hello,

We would like to know if we should change the port number?

Best Regards,
by fleur
Thu Jan 21, 2010 9:09 am
Forum: Acquisition server and drivers
Topic: Problems with ModularEEG Data aquisition
Replies: 20
Views: 20254

Re: Problems with ModularEEG Data aquisition

Hello,

We don't find any start button on the openEEG.

Best Regards,
by fleur
Thu Jan 21, 2010 8:34 am
Forum: Acquisition server and drivers
Topic: Problems with ModularEEG Data aquisition
Replies: 20
Views: 20254

Re: Problems with ModularEEG Data aquisition

Hello, We have the same problem with our Modular EEG. Tha card is well powered. The RS232 Cable sends signals: we have tested with Hyperterminal. We still have the error: "something bad happen in the callback loop". We have also tested the acquisition with the software ElectricGuru and we have no si...
by fleur
Wed Jan 20, 2010 2:27 pm
Forum: Discussion about OpenViBE
Topic: Openvibe and a virtual keyboard
Replies: 13
Views: 17733

Re: Openvibe and a virtual keyboard

Hi, I resolved my problem, I used the stimulation train trigger OVTK_GDF_end_of_file in the classifier trainer and I used the box Acquistion to get the signal. So the trigger was never activated. I used a gdf reader file and it worked. Can you please give us examples of simple cerebral commands in o...
by fleur
Wed Jan 20, 2010 9:45 am
Forum: Discussion about OpenViBE
Topic: Openvibe and a virtual keyboard
Replies: 13
Views: 17733

Re: Openvibe and a virtual keyboard

Hello, We're using an EEG build with OpenEEG and we are having trouble to extract command from the signal. How can we use the classifier trainer and the classifier processor in order to simultate one command? I have used the generic oscillator to test the classifier trainer but it doesn't generate t...
by fleur
Tue Jan 19, 2010 11:37 am
Forum: Discussion about OpenViBE
Topic: Openvibe and a virtual keyboard
Replies: 13
Views: 17733

Re: Openvibe and a virtual keyboard

Hi, I have not completely succeed to integrate the VRPN program. I have read the developer documentation on internet and I don't really understand how to use the VRPN button. Indeed, if I would like to simulate button press and release. In my application, the user can press the buttons 1 , 2 or 3 . ...
by fleur
Mon Jan 18, 2010 9:54 am
Forum: Discussion about OpenViBE
Topic: Openvibe and a virtual keyboard
Replies: 13
Views: 17733

Re: Openvibe and a virtual keyboard

Hello,

I have found my mistake.

Best Regards,
by fleur
Sat Jan 16, 2010 5:09 pm
Forum: Discussion about OpenViBE
Topic: Openvibe and a virtual keyboard
Replies: 13
Views: 17733

Re: Openvibe and a virtual keyboard

Hello,

Thank you for your help.
I have this error on the console : "no response from the server"
I think that the error is in: ana = new vrpn_Analog_Remote("openvibe-vrpn@localhost");
I don't think that I should put: ("openvibe-vrpn@localhost"), do I ?

Best Regards,
by fleur
Fri Jan 15, 2010 4:59 pm
Forum: Discussion about OpenViBE
Topic: Openvibe and a virtual keyboard
Replies: 13
Views: 17733

Re: Openvibe and a virtual keyboard

If I understand, I should put the code (you give me the link) into my main? How I install the VRPN client?

Best Regards,