Search found 42 matches

by chantrip
Fri Feb 06, 2015 10:14 am
Forum: Scenarios and BCI design
Topic: Computer spec for 2 player P300 based BCI
Replies: 3
Views: 2850

Re: Computer spec for 2 player P300 based BCI

Also, is it possible that lowering the sampling rate of the acquisition server might solve this problem?
by chantrip
Wed Feb 04, 2015 12:59 pm
Forum: Scenarios and BCI design
Topic: Computer spec for 2 player P300 based BCI
Replies: 3
Views: 2850

Computer spec for 2 player P300 based BCI

Dear Openvibe team I want to try P300 BCI with 2 players where both compete with each other to select the alphabet. We use Emotiv as our EEGs. Our computer spec is i5 2.0GHz with 4GB of Ram using Windows7 32 bit. We use Openvibe version 0.17. We use 2 acquisition servers to connect to both EEGs. Fir...
by chantrip
Fri Jan 02, 2015 9:52 am
Forum: Help for building the software
Topic: Build customization
Replies: 6
Views: 7377

Build customization

Hi I'm installing openvibe-0.18.0 on Windows7. Everything works fine so far until I want to customise the build process. From the information that I have, I need to use a command SET(SKIP_APPLICATIONS "1") so that the command win32-build will skip building this directory. However, there are several ...
by chantrip
Wed Oct 29, 2014 5:37 am
Forum: Scenarios and BCI design
Topic: Multi-player P300 speller through Internet
Replies: 2
Views: 2830

Multi-player P300 speller through Internet

Hi I'm developing a multi-player P300 matrix speller where more than 1 person playing P300 matrix speller through IP network. From a quick search, I believe VRPN box should be the the one that I should use since I can assign the IP address of every participant in the network. However, I'm quite not ...
by chantrip
Fri Aug 08, 2014 12:41 am
Forum: Scenarios and BCI design
Topic: Add library files
Replies: 0
Views: 2110

Add library files

Hi From this post http://openvibe.inria.fr/forum/viewtopic.php?f=17&t=9316, we tried a couple of files but it still didn't work. Could you please be more specific by giving some example? E.g. if I want to add graphic.h in the file ovpCBoxAlgorithmP300SpellerVisualisation.cpp, which files or paths th...
by chantrip
Mon Aug 04, 2014 8:08 am
Forum: Scenarios and BCI design
Topic: Include graphic.h
Replies: 2
Views: 2733

Re: Include graphic.h

Hi

Thank you for your information. We tried a couple of files but it still doesn't work. Could you please be more specific by giving some example? E.g. if I want to add graphic.h in the file ovpCBoxAlgorithmP300SpellerVisualisation.cpp, which files or paths that I should edit?

Best

-Jim
by chantrip
Thu Jul 10, 2014 5:09 am
Forum: Scenarios and BCI design
Topic: Include graphic.h
Replies: 2
Views: 2733

Include graphic.h

Hi I'm using Emotiv as my EEG headset and would like to create some games e.g. Pong using P300. I tried to include graphics.h in Openvibe for graphic purpose. Howerver, Openvibe could not recognize the functions and variables associated in graphics.h. I tried other graphic header files e.g. SDL but ...
by chantrip
Tue Jul 31, 2012 9:00 am
Forum: Discussion about OpenViBE
Topic: ssvep
Replies: 0
Views: 1828

ssvep

Dear Openvibe I tried to run SSVEP scenario in Openvibe 0.14.0 using Emotiv headset. When I ran ssvep-bci-1-ssvep-configuration.xml, the warning messages showed that [ INF ] At time 0.211 sec <Box algorithm::Experiment Settings> <In Script> Writing file '../share/openvibe-scenarios/bci/ssvep/configu...
by chantrip
Thu Jun 28, 2012 1:44 am
Forum: Discussion about OpenViBE
Topic: Mail list
Replies: 1
Views: 2258

Mail list

Dear Openvibe

Do you have any mail list subscription that informs the subscribers if there's any new posts in the forum or updated Openvibe upgrades? If so, please add my name in the list.

Thank you

-Jim
by chantrip
Mon Jun 18, 2012 3:45 pm
Forum: Driver development
Topic: Failed to find Emotiv API
Replies: 2
Views: 4397

Failed to find Emotiv API

Dear Openvibe team I have Epoc driver installed at 'C:\Program Files\Emotiv Research Edition SDK_v1.0.0.5-PREMIUM' and have tried to install Openvibe13. My OS is Windows 7. However, when I run win32-build, the log message attached here shows 'Failed to find Emotiv API' and I cannot use EPOC with Ope...
by chantrip
Wed Jun 13, 2012 2:57 am
Forum: Driver development
Topic: Windows installer
Replies: 1
Views: 2393

Windows installer

Dear Openvibe team I've downloaded the Openvibe source code and modified parts of the code to test some properties of the matrix speller and everything looks fine. I would like to create a Windows installer (*.exe) file so that I can install my modified Openvibe codes on other Windows machine. Could...
by chantrip
Thu May 24, 2012 7:39 am
Forum: Driver development
Topic: Driver for Stellate Systems
Replies: 1
Views: 2383

Driver for Stellate Systems

Dear Openvibe
I'm about to test Openvibe software with EEG from Xltek family http://www.natus.com/index.cfm?page=products_1&crid=223. How to connect Openvibe to Xltek EEG? I can't find it from the list of driver.

Thank you very much

-Jim
by chantrip
Wed Jan 25, 2012 4:03 am
Forum: Designer
Topic: p300 matrix speller with unequal row and column sizes
Replies: 2
Views: 2410

Re: p300 matrix speller with unequal row and column sizes

Thanks a lot and it works fine now :D . However, at size 10x10, part of the matrix is bigger than the monitor !!

-Jim
by chantrip
Mon Jan 23, 2012 7:39 am
Forum: Designer
Topic: p300 matrix speller with unequal row and column sizes
Replies: 2
Views: 2410

p300 matrix speller with unequal row and column sizes

Dear Openvibe Happy Chinese New Year :). I'm still working on p300 matrix speller and trying a speller with different matrix size. Let's say I want to try a matrix speller of size 9x4 with a-z and 0-8 letters. Which files do I need to modify? Other than changing the Row and Column size in p300-spell...
by chantrip
Mon Jan 09, 2012 10:13 am
Forum: Designer
Topic: OVTK_StimulationId_Train in p300-speller-3-train-classifier
Replies: 3
Views: 3323

Re: OVTK_StimulationId_Train in p300-speller-3-train-classif

Dear Laurent

Thank you very much for your reply. I ended up adding a text in LuAstimulator.cpp to show that OVTK_StimulationId_Train has already been sent to make sure that I don't miss it. :) .

-Jim