bciplayer.py 文件源码

def testClassify(self):
        cap = self.src.getEEGSecs(time.time() - self.testTime)
        self.testTime = time.time()

        cap = self.bandpass(cap)
        seg = cap.segment(start=self.windowStart, end=self.windowEnd)
        seg = self.downsample(seg)

        # if verbose XXX - idfah
        #wx.LogMessage('nSeg: %d' % seg.getNSeg())
        assert seg.getNSeg() == len(self.choices)

        stim = [self.markToStim(m) for m in seg.getMarkers()]

        x = self.standardizer.apply(seg.chanEmbed())

        dv = self.classifier.discrim(x)
        choice = stim[np.argmax(dv, axis=0)[0]]

        if self.pieMenu.growBar(choice, amount=1.0/self.nTestTrial):
            wx.CallAfter(self.controlPlayer, choice)
        else:
            wx.CallLater(1000.0*self.isi, self.runTestEpoch)