Search found 15 matches

by giuseppe
21 Nov 2014, 03:46
Forum: BCI Systems - Signal Processing
Topic: P300 benchmark dataset
Replies: 0
Views: 11169

P300 benchmark dataset

I've done some google searches, and the most recent freely available P300 dataset I've found is the BCI competition III dataset II, but last paper published about it is dated 2008. I wonder if research is no more interested in improving P300 classification. Is there any new p300 benchmark dataset? W...
by giuseppe
30 Mar 2012, 13:29
Forum: Configuration
Topic: [SOLVED] Space between letters in p300 matrix
Replies: 2
Views: 2518

Re: [SOLVED] Space between letters in p300 matrix

Thanks and sorry, I had reduced also the target that was my problem.
by giuseppe
25 Mar 2012, 17:34
Forum: Configuration
Topic: [SOLVED] Space between letters in p300 matrix
Replies: 2
Views: 2518

[SOLVED] Space between letters in p300 matrix

I'm trying to recognize the P3B signal, so I need to space the letters in the matrix of the p300 speller. I tried to decrease the TargetHeight and TargetWidth value, but all the matrix reduce... How can I do???

Thanks, and sorry for my bad english.

giuseppe
by giuseppe
25 Mar 2012, 17:24
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

Hi, sorry if I'm still wasting your time, I'm trying to understand which value has to be put on sample block size, MindWave RAW Data is 16 bit, and it is sent 512 times in a second. Sample block size 16 is so correct?

Thanks,
giuseppe
by giuseppe
15 Feb 2012, 03:52
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

I've put on the headset on the standard mode, sensor placed on the frontal left side, and set block size to 8, I think that the differences between the two tests come from a little different position of the headset. I also tried to put the sensor on the occipital zone, but the results are worst. Abo...
by giuseppe
12 Feb 2012, 09:47
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

Hi, sorry for my late reply, Offline Analysis didn't works for a mine mistake, I done some test, and I got different results, but the problem is that signal is too weak. How you can see from this two test I made (using the phrase THE QUICK BROWN FOX) FIRST TEST http://desmond.imageshack.us/Himg705/s...
by giuseppe
02 Feb 2012, 13:36
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

----MY ERROR-------------------------- Unfortunately MindWave does not detect P300 stimulus, when I'm trying to analyze datas using Matlab Offline Analysis I get the following error: Evaluation of target condition 1 in conjunction with the trial change condition resulted in fewer than 3 usable trial...
by giuseppe
26 Jan 2012, 13:08
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

Now it works!!! Thanks a lot! Really thanks!

Bye Giuseppe
by giuseppe
17 Jan 2012, 09:24
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

I noticed that ThinkGear Connector doesn't work on my pc, could this be the problem?? Another think that I noticed is that when I click on Set Config Neurosky.exe CPU usage is 0% then when I click quit, usage goes up to 50%; and also I noticed that I got no error if I run the app when my headset is ...
by giuseppe
16 Jan 2012, 15:38
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

Doesn't work... I think that the problem is on connection, because when it works the led on the USB key goes on blue, instead when it doesn't the led flash blue and immediatly red.
But I really can't understand where is the problem, and why somoetimes work and sometimes not...
by giuseppe
15 Jan 2012, 12:01
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

Sad news, I've changed the neurosky.exe and .dll and just as I wrote it started working, then I shut down the pc I switch on and still work, I've done two session then i got an error during the session about time session, don't remember, and from that it stop working, don't care, thanks equally for ...
by giuseppe
15 Jan 2012, 03:53
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

I've updated the files (they were different on size), except the .lib on .../omf/ (is correct?), now how can I compile the solution, can I compile only the Neurosky module? Or do i need to download the BCI2000 complete solution? Sorry if I'm wasting your time, but I really need your help!:) Edit: I'...
by giuseppe
14 Jan 2012, 17:06
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

More likely than not, the SDK used in this module is simply too old. The Mindwave was released two years after this module was written, and the SDK has been updated several times to support it. I'd wager that we just need to update the .lib and .h, and potentially the .dll files that we ship with t...
by giuseppe
14 Jan 2012, 16:06
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

Hi, thanks for the quickly response, I think that the problem is probably in the call to TG_GetValueStatus at line 197, in the thinkgear.h file the comment of TG_GetValueStatus function report that: * @param dataType The type of data value desired. Select from one of * the TG_DATA_* constants define...
by giuseppe
14 Jan 2012, 07:13
Forum: Configuration
Topic: Problem Connecting to Neurosky Mindwave
Replies: 27
Views: 22973

Re: Problem Connecting to Neurosky Mindwave

Hi, I'm an Italian student of Computer Science of Verona, I just bought a Neurosky Mindwave headset, and I would like to work with BCI2000 for my graduate thesis, I downloaded the BCI2000Contrib version and installed. I wear the headset and switch it on, than started BCI2000 Launcher with Admin priv...