OpenViBE forum

hi;

please help me. I really don't know whether the input dat of csp function 'csp_new(dat1, dat2)' is [channels×samples] or [ samples ×channels].

Thank u Jozef for your response I'm working on data iib(two classes) from BCI competition. How can i do that using Stimulation Based Epoching. I think Stimulation Based Epoching allows for the signal after completing the time specified in settings? is that true? and how can i do it using time based ...

Hello,

I have a data set contains 240 trials. I need to use 20 for training and 20 for test. Which box can do that. I tried to use the first 20 trials using keyboard stimulator for training but I can't use the trials from 10-30th. Also, how can I do that for test.

Thanks

Hello,

Can I use openvibe signals(*.ov) with Matlab?and how?

thank you jlindgren,


the display is ok, but no stimulation effecting to pass right or left when i used gdf but ov format is ok as you did in the scenario.

Thanks for the quick reply, The gdf file from BCI competition, dataset IIIb : Non-stationary 2-class BCI data. http://www.bbci.de/competition/iii/desc_IIIb.pdf The signals are displayed but I don't know why the scenario doesn't work. How openvibe interpret the stimulations of those gdf files. Are th...

Hello,

I'm new to Openvibe and I'm trying to create scenario using BCI2003 Competition files. What is the correct way to use those gdf file, and to convert them to ov files. I did that using Generic & GDF reader/writer but the scenario doesn't work.