OpenViBE forum

Hi, I am trying to use stimulations from a stimulation multiplexer but it doesn't seem to work (nothing on the VR application) However, when I use the stimulation from the voting classifier, it works (i don't have the stimulation to set the button to off). When I use the stimulation listener, it sho...

hi,

I don't really know why but it works now.

However, i get a complete recognition of the caracters. No error whereas the classifier is said to be 64% accurate. Did I make a mistake?

Nicolas Dennewald

hi jlegeny, I am using a BCI from gtec. I made the experiment with 10 electrodes. i used the 8 electrodes placement from "An effcient P300-based brain-computer interface for disabled subjects" at http://infoscience.epfl.ch/record/101093/files/manuscript.pdf I added the O1 and O2 to get more data in ...

hi,

I am sorry but I don't really see what should be modified on the voting classifier

It does not seem to depend on the dimension of the filtered data. And as it works with 3 dimension, i don't really see why it would not with other values.

Does it depend on the dimension?

Nicolas Dennewald

Hi, I am currently working on an application which uses the P300speller with xDAWN. When the parameters of the xDAWN is at 3 (i mean that it will reduce the data to 3 dimension), it works. But when I try it with a different value, the replay cannot manage to give any answer (even a false one). The x...